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"Computer roleplaying games often have mimics... which are always disguised as chests. Chest chest chest. It makes you wish that digital orcs would stick their electrum pieces in a foot locker or some variety of credenza, just to break the ennui of another piratey-looking wooden chest suddenly sprouting limbs and beating you to within an inch of your save file. It would be refreshing like the breezes of summer to be able to say 'Hey! I just had my clavicle shattered by an aluminum tool shed!'"
Lore Sjöberg, The Book of Ratings, D&D Monsters, Part 2

Adventuring's hard enough — you've got brain-wracking puzzles, hazardous environments (sometimes literally), and, if you're unlucky, the interface itself.

And now, there are monsters that disguise themselves as loot!?

A Chest Monster is an enemy or hazard that has disguised itself to look like something positive: as an ally, a Save Point, or — in the archetypical example — a treasure chest. They are frequently called "mimics" for this reason, and are generally stronger (sometimes much stronger) in battle than the surrounding Mooks in the area. Sometimes they are ordinary chests with a monster locked inside. It may or may not be possible to escape from a Chest Monster once it's been disturbed — you either defeat it, or die trying. For those who can slay these, beating a Chest Monster usually also means they'll drop loot, generally better loot than normal enemies and/or on the same level as a chest.


Obviously, Chest Monsters aren't threatening at all if you can avoid triggering them in the first place, but in games that encourage you to always open every last treasure chest in sight, this is easier said than done. It may or may not be possible to identify a Chest Monster without opening it up and springing the trap — sometimes there may be a minor flaw or difference that allows you to tell them apart from the genuine article; sometimes you can use an item or ability to analyze it and tell if it's real. Other times the placement is a clue — if a power-up is right there in plain sight with no guards or obstacles protecting it, it might be a trap. Or not. If all else fails and there are no clues, you'll just have to find out the hard way and hope it doesn't bite back.

It makes you wonder; where did these things come from? Did a wizard make them, or have people in the world of Dungeons & Dragons been putting chests in dungeons so long mimics have had time to evolve to fill this niche?


See also Inexplicable Treasure Chests, Inn Security, and Alluring Anglerfish.

Compare Poison Mushroom, which is a harmful item disguised as a beneficial one, and Wall Master, which is an enemy that hides in and/or disguises itself as the scenery (though this trope applies if the monsters have to be dug out of the walls first). May overlap with Treacherous Checkpoint if the monster disguises itself as a Checkpoint or Save Point. The inverse is a Fake Trap, where something in the game is made to look dangerous or threatening, but is actually harmless.

Not to be confused with Chest Burster. Unrelated to a certain metaphor from the 6th Harry Potter novel. Has nothing to do with breast size.


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    Anime & Manga 
  • An episode of Rune Soldier Louie has a short fight scene with the party attacked by a door mimic, as well as a traditional treasure chest mimic.
  • One Piece:
    • The series has this during and episode in the Thriller Bark arc where Nami opens a chest and a surprise zombie pops out.
    • Luffy and Nami encounter a little man who, twenty years before, had fallen into a treasure chest and couldn't get out. He tries to invoke this trope to scare people away from his island.
  • In Yu-Gi-Oh!: Capsule Monsters, Joey opens a treasure chest in search of valuables, but it contains a Yamatano Dragon Scroll that captures him.
  • Pop Team Epic provides a bizarre example - an insect that disguises itself as a Japanese book store franchisee in order to lure in and kill "subculture bitches".
  • Double-subverted in KonoSuba. Kazuma and Aqua encountered a suspicious chest while exploring a dungeon, and to test whether or not it is a monster, Kazuma throws a rock at it. The chest itself is not a monster, but the wall behind the chest is.
  • Mimics in Delicious in Dungeon are actually a kind of crab that uses treasure chests both for protection (similar to hermit crabs) and as a way to to surprise prey (i.e. adventurers). Justified in that the setting has had dungeons for long enough that it's become a natural environment type, with its own evolutionary niches.
  • Fafnir's greed is demonstrated in episode 3 of Miss Kobayashi's Dragon Maid when he plays a Dark Souls parody and is killed by a mimic despite Takiya warning him not to grab the chest.

    Card Games 
  • The Yu-Gi-Oh! card game has a reference to this in the form of Dark Mimic LV1 and Dark Mimic LV3, who both look like chests and give the player an extra draw when activated.
    • They even act as a traditional Chest Monster in Yu-Gi-Oh World Championship Tournament 2008. In the Pyramid in the World of Sunlight, there is occasionally a treasure chest. it will give you GP, a card... or a challenge by Dark Mimic LV1.
    • Other cards also allude to this, such as Yaranzo (classic demon in a treasure box) and Stuffed Animal (demon teddy bear), as well as the Man-Eating Treasure Chest.
    • Hungry Burger fits this trope as well.

    Comic Books 
  • In Gold Digger, a flashback strip to one of Gina and Britanny's early adventures has them encounter one of these that's actually guarding a treasure (inside itself). Upon finding out after taunting them that they're actually not interested in stealing said treasure because they're adventurer archaeologists and not thieves, the disappointed monster instead challenges them to a contest: they can keep anything they can snatch before it can bring its toothy lid down to bite, fair and square. Of course, Britanny Diggers is a were-cheetah with super speed...

    Films — Animation 
  • A real, living chest is one of the servants of The Beast who ambushes Gaston's invading mob in the climax of Beauty and the Beast. Specifically, a guy steps on a carpet that traps and rolls him up, then dumps him into the chest, which closes, licks, and burps.

  • The Harry Potter books have this with The Monster Book of Monsters, a Care of Magical Creatures textbook that is actually a furry, sharp-toothed monster itself, and will try to bite the reader if s/he doesn't open it the right way.
  • Discworld
    • While not an enemy of the protagonist, the Luggage from the Discworld novels is still a ravenous Chest Monster. But it does its master's laundry. It is, however, quite harmful to everyone else. It can also be distinguished from, say, the sort of luggage to steal underwear from, by the feet underneath. And the fact that it will, without eyes, look at you in a very unfriendly manner.
    • The Cabbage Frog in The Discworld Almanack is a frog that grows large flaps of skin that resemble cabbage leaves, and then waits for butterflies to try to lay eggs on it.
  • In Dougal Dixon's After Man, the oakleaf toad is this trope for smaller invertebrate-eating animals. Camouflaged by the leaf-like appearance of its body, it lures in prey such as shrews or small birds with its tongue, which resembles an earthworm.
  • Villains by Necessity: Called an "Aydaptor", one nearly devours Arcie. Later it's domesticated with a spell into a pet by the adventuring party following them, to its horror.
  • Everybody Loves Large Chests: The main character of the story is a mimic that loves tasty and shiny things.

    Live-Action TV 
  • Parodied with the paedophile disguised as a school in Brass Eye.
  • In The Future Is Wild, the Spitfire Beetle is this to a Spitfire Bird. The bird normally goes to a certain flower to stock up on chemicals for its Super Spit. Four Spitfire Beetles work together to form a fake flower, attracting the bird, which they all jump on and take down.


    Tabletop Games 
  • The great-granddaddy of this trope is the mimic, a blobby monster in Dungeons & Dragons that could imitate any stone or wood item; the artwork in the first edition Monster Manual depicted one in the shape of a chest, setting the mold to be followed in its videogame descendants. Incidentally, it's capable of making anything it touches stick to it as if glued and thereby making sure whoever touches it first is out of the fight. The second edition compounded the problem by adding a variant that can grow to the size of a building, inflicting a Total Party Kill on any group unfortunate enough to enter the "dungeon." (It's common DM practice to have that type pose as a gazebo.)
    • The Wolf-in-sheep's-clothing looks like a tree stump with a fluffy bunny on its top. Underneath, it's an all teeth and tentacles abomination.
    • There's also the "bag of devouring", a fake Bag of Holding that's actually the mouth of an extradimensional predator, which may or may not be asleep.
    • The 3rd edition Epic Level Handbook has the living vault which, in addition to containing valuables, is a powerful creature.
    • Not truly a member of this trope, but it is implied that Nimicri, a Genius Loci found in the Planescape campaign that is found in the Chamada layer of Gehenna, might actually be related to mimics, possibly one with divine blood.

    Video Games 
  • The 7th Saga has Tricks. They're some of the hardest enemies in the game when you fight them, and that's saying something. They randomly drop a variety of gemstones, and with some Save Scumming, the player can acquire a hoard of emeralds and sapphires.
  • ? blocks in Alex Kidd in Miracle World will sometimes summon the Grim Reaper, who is an Invincible Minor Minion and hard to evade if not scrolled offscreen.
  • Ancient Domains of Mystery has traditional mimics. They don't look like chests because you don't generally find stuff in chests, just lying around; so they look like stuff lying around, ie. items on the floor. There are a few ways to recognise one. They used to appear on the map even if you hadn't explored that area again to find them, unlike real items, but that was fixed. They also appear as a random type of item symbol in a random colour, so they often seem quite colourful — most armour and weapons is light grey for metallic, though special attributes on items have made the variety of real items more colourful as well. Finally, even when they don't appear on the map where you can't see them, they appear seemingly out of nowhere when in an area you've already explored; that's not impossible for an item, something could have dropped it there while you were away, but it is unlikely. The best place for them to hide is among the wide variety of stuff in a shop. Then, there are mimic lairs, that look like a shop without a shopkeeper. Every object in such shop is a mimic.
  • Athena has annoying and hard-to-kill flying heads hidden in certain blocks.
  • In The Awakened Fate Ultimatum, after the first few dungeons, any treasure chest in the game has the potential to be one of these and they get progressively more powerful. By the end of the game, you'll probably end up having fought quite a lot of them. Especially if you're going for the Trophy for gathering all items, as certain items can only be found in chests, while others have a much better potential to be in chests than dropped by enemies or lying on the ground.
  • Baldur's Gate has a single mimic in the entire series. It showed up in the sequel with confusing attacks. The Expansion Pack Baldur's Gate II: Throne of Bhaal added the nastier Killer Mimics in the Bonus Dungeon.
  • Banjo-Kazooie:
    • The first game has literal Chest Monsters in Treasure Trove Cove.
    • Banjo-Tooie has fake Jinjos called Minjos that start appearing when you reach Witchyworld. They look exactly like the Jinjos, but they will try to attack you if you get near. To add to the confusion, they are often hidden in out-of-the-way places like the regular Jinjos. The methods to tell them apart include:
      • You can shoot eggs such as freezing them, and if they do budge or get frozen, they're bullshit and are trying to lure you in (the eggs will pass through real Jinjos).
      • Minjos will respawn in areas and can change color when you exit and reenter the room; the locations of the various Jinjo colors is randomized at the start of the game, but they won't change colors once you see them.
      • Minjos will NEVER be in Jinjo spots that require a puzzle solved to obtain note .
      • Once you pick up all of a Jinjo's color, the Minjos will still use that color.
      • A couple Minjos appear in areas where Jinjos are entirely absent, including Cauldron Keep and a spaceship that won't be accessible after a certain point.
    • Tooie also has the boss Mingy Jongo, the robotic "Crafty Shaman Impersonator" who appears in one of the two skulls of the friendly shaman Mumbo Jumbo in the last major world (one of them's red, the other is blue, and their locations are randomized each game; both must be visited if one wants to obtain all the Jiggys since Mingy is a boss that has one of the world's Jiggys). Distinct from the original because he drops the genuine article's Hulk Speak. Must be seen to believed. Some methods you can use to tell the difference between the two include:
      • Mingy's hut has a Jinjo in it, while Mumbo's has a Minjo (itself a decoy trap enemy).
      • There is a fire going in Mumbo's, but not in Mingy's.
      • The words "Mumbo's Skull" will appear on the screen when you enter Mumbo's Skull; no wording will appear on screen in Mingy's hut.
      • When you go upstairs, if you see Honeycomb Health powerups on the windowsills in the hut, it's indicating that the room is a battlefield.
      • When you entered Mumbo's hut in the first game, he was always asleep. Mingy has retained this trait, but with one exception at Mayahem Temple, Mumbo hasn't.
  • The old Namco game Baraduke had the blue "Octy" monsters release a treasure capsule which would randomly contain nothing, a gem for score, a friendly alien for the bonus games, a weapon upgrade and an angry Pacmanesque purple monster. Alas, it was require to touch the capsules to open them, always prompting you to run away after doing so!
  • In the promotional art for Bendy in Nightmare Run, Bendy tries to plunder from a living chest named Chester. In the game, Chester is the boss for the "Bendy Walks the Plank" episode. Justified in that Bendy's cartoon world features many sentient objects.
  • Beyond Oasis features these. They're fortunately easy to detect due to them loudly snapping their mouths all the time.
  • While shops in The Binding of Isaac usually contain items to purchase, they may instead lock you into a battle with one of the mini-bosses themed around the Seven Deadly Sins - which is Greed or Super Greed, fittingly enough, who look incredibly similar to the motionless shopkeepers to boot. Especially infuriating since there's no way to tell if a shop contains Greed or not (beyond the fact that after fighting Greed once, they won't appear in a shop again), though you still have to spend a key to get in. Not only that, but they can appear in secret rooms as well. Killing them will reward you with either a number of coins or the Steam Sale item.
    • The Afterbirth+ DLC features actual trap chests, which will spring spikes when you get too close to them. Touching them will hurt you, though it will open the chest and reveal the goodies inside, though they're the same as regular brown chests. They're fairly easy to spot since they have holes on the front, though this wasn't the case in earlier updates to the game, where it was almost impossible to tell them and regular chests apart unless you were playing close attention.
  • Bloodstained: Ritual of the Night Mimics appear as Spiders with a treasure chest for their lower abdomens. There is also a large slot machine that attacks with more traditional teeth.
  • All the Boktai games feature mimics as enemies. They damage you when you try and open them and start hopping after you. They're rather hard to kill when they first appear, but you can blow their cover by attacking or using a See-All-Nut (which makes them glow green).
  • In the Bonk series, some of the Florets contain "Venus Bonk Traps". You can tell a fake one from the real ones because they don't breathe.
  • Played literally in the Borderlands1 DLC Dr. Ned's Zombie Island with the Loot Goon, a Tankenstein with a red gun chest on his back. Killing him let you loot the chest. In a more straight example, in The Secret Armory of General Knoxx several lootable things (weapons chests, dumpsters, etc) has midgets hidden away inside them. Borderlands 2 adds a more traditional and horrifying version in Tiny Tina's Assault on Dragon Keep.
  • Bound by Flame features an enemy in the swamp called a Ripper. As one of the characters remarks, "It looks like a...thing."
  • In BoxxyQuest: The Gathering Storm, gold is called Karma, and is often found laying around in piles for you to collect. Some of these turn out to be Karma Chameleons, vicious monsters that like to ambush treasure hunters, and drop a ton of gold when killed.
  • Brain Lord features quite a few Chest Monsters, but they almost always hang out next to actual treasure chests and have a slightly different palette, so if the player is paying attention they should be able to pick them out fairly easily.
  • Brave Hero Yuusha has the Boxed Horror of the Desert Tower, as a blue chest, and defeating it also has the chest contain an item.
  • The Breath of Fire series has a Chest Monster as a recurring enemy named "Mimic", which is a living, breathing mook chest. In a more straight example, Breath of Fire I and Breath of Fire II have actual trap chests with a variety of effects (poison, damage or even reduce HP to 1) who are inflicted on whoever is at the head of the team.
  • Literal Chest Monsters in the Treasure Desert world of Bubble Symphony. Which are also named Mimic.
  • Some "mystery" balls in Bug! will contain enemies or hazards instead of Power Ups.
  • Casper: A Haunting 3D Challenge
    • Some chests have Fatso hiding in them. You have to be ready to quickly get out of the way to avoid harm.
    • There are also fake vents Stinky hides in, waiting to give you a "Smell-o-gram!" These vents disappear along with him.
    • In the basement, Stretch's arm will reach out as you go past certain places. Usually where there's an item to pick up. He's the hardest one to avoid, as well as the scariest, given the atmosphere.
  • In Call of Duty: Modern Warfare, hijacked Care Packages are rigged to explode when the next player tries to open it. Black Ops players can also do this with the Hacker/Engineer perk.
  • The 2D Castlevanias have a variety of such monsters, often called mimics.
    • Vampire Killer had trap candles that released slimes when whipped.
    • Castlevania: Symphony of the Night had a fake Save Point. In one room is a real save point (which, in this game, are coffins) and, just across the hall, is another room that looks like a different-colored save point, but will in fact trigger a battle with a succubus.
    • Castlevania: Circle of the Moon featured trick candles that would fall out after being whipped. Unusual that they didn't attack you, had tons of HP, and an alarmingly LOW drop rate for some of the best cards in the game, and they only appear in Boss rooms of Bosses you've beaten three bosses ago.
    • Castlevania: Aria of Sorrow featured bags of money that would damage you if you touched them, revealing a laughing skull.
    • Castlevania: Dawn of Sorrow featured a typical Chest Monster, along with normal chests full of coins early on.
    • Castlevania: Portrait of Ruin was somewhat odd in having chest mimics... but no chests.
    • Castlevania: Order of Ecclesia has fake chests that are even worse due to the abundance of chests in the game compared to other games. It's also difficult (if not impossible) to distinguish them by looks from actual wooden chests until one tries to open them. They become hilarious when you play Albus Mode. In that mode, all treasure chests are removed except for two kinds: fancy chests, which hold life, magic and heart increasers... and Mimics, now the only wooden chests in the game. It's pretty easy to avoid them in this mode, needless to say.
    • Castlevania: Harmony of Despair features wooden chest mimics that slide across the floor quickly and usually can't be killed with just one attack.
  • Cave Story:
    • The game does it with a killer door in the first dungeon. Not fun to be killed by, but tons of more fun to see your friends not notice its evil red eyes and try to walk through it.
    • Cave Story also has unused data for a literal Chest Monster, as well as animate versions of jars and Save Points.
  • Chrono Cross and Chrono Trigger have fake save point monsters.
    • As for Chrono Trigger, at least one other save point triggers a battle because the monsters nearby hear the "ding".
    • Chrono Cross also has the Boxer Boys in Viper Manor. They impersonate treasure chests, and at the beginning of battle, give the player the option of attacking the Big Boxer or the Li'l Boxer. Depending on which you choose, they will either give you treasure or attack you.
  • In Clicker Guild, there are Mimics that appear as chests with a curved top, long, sharp teeth, and an elongated tongue. Shadow Eater is a more advanced version.
  • Some of the secret bunkers in the NES port of Commando contain death traps such as snake pits or gas chambers.
  • The final dungeon of Contact contains Chest Monsters that sprout limbs, pull out a sword from inside of them, and then proceed to inflict beatings.
  • In Crusaders of the Lost Idols, the Treasure Box drops more gold than regular enemies. In "Captain Ghostbeard's Greed", the Mimic and Gold Mimic appear, and in the "Cursed Treasure" objective, an animated chest follows the party.
  • Crypt Of The Necrodancer has not only chest mimics, but also shrine, crate, and wall mimics.
  • One of the most frustrating enemies in the PC game D/Generation is the C/Generation, a shape-shifting monster that likes to disguise itself as everyday objects like chairs, power-ups, and the people that you're supposed to be rescuing. They're also immune to your primary weapon.
  • Both Dark Cloud and Dark Chronicle had Mimics, who would suddenly sprout arms, legs and a tongue when you tried to open them. There's also King Mimics, which are bigger and stronger.
  • The Dark Souls trilogy, as you would expect, has Mimics hiding throughout the world. If you try to open a Mimic, it'll pull you inside its mouth and chew on you, most likely killing you in the process. An awakened Mimic is a powerful but slow enemy, and looks like the Slender Man with a chest on his head. There are a few ways to tell them apart: Mimics don't quite get the look right, they occasionally have to open slightly to take a breath, and if they take damage in any way, they'll abandon the disguise and attack. This can be dangerous though: in later games, attacking a chest can destroy whatever's inside. Hitting the chest with a Lloyd's Talisman/Undead Hunter Cham will also put a Mimic to sleep, allowing you to reach in and take its treasure without it noticing.
  • The Dead Space games feature breakable loot containers which, on very rare occasions, contain several swarmers. This example is far less effective than most on this page, especially since the containers are opened via stomping.
  • The game Deep Down will have one called The Jackie.
  • Delve Deeper has Lumber Mimics, which disguise themselves as treasure chests and then attack when your dwarfs try to pick them up. They have relatively low HP, but high attack power.
  • Diablo and Diablo II had destructible barrels with a high chance of containing an enemy skeleton instead of loot. Diablo III carries on the tradition, as well as having skeletons hide under lootable floor tiles and who knows what else.
  • Nuts 2, a Doom level, features a group of apparent megaspheres (200% armor/health refills) which turn out to actually be monsters with a machine-gun attack. (And standing nearby are apparent dangerous monsters which turn out to be simple cardboard cutouts.)
  • In Doom 3, numbered lockers typically contain goodies. However, woe is you if you open locker #666.
  • Donkey Kong Country 2: Diddy's Kong Quest has Klobbers, which disguise themselves as regular barrels. The most common type are green Klobbers that just knocks you around, but a rarer yellow variant will steal banana bunches from you if they bump into you. Rarer still, and thankfully so, are the grey ones with red eyes who will steal extra lives from you if they bump into you.
  • In Dragon Slayer, treasure chests would sometimes contain Shinigami that followed you around and prevented spellcasting.
  • Dragon Age: Origins has a couple of these in the ruined temple during the Urn of Sacred Ashes quest. Glass phylacteries may also count, if the player has never encountered one before.
  • The Dragon Quest series:
    • It started the idea of always being a chestnote .
    • VII mixed things up a bit with monsters disguised as pots, books, and wine bottles. The only destroyable objects missing a monster were barrels.
    • Dragon Quest VIII has a Chest Monster boss.
    • Dragon Quest XI introduced a new variant with slot machine mimics. In a few areas slot machines which act similarly to treasure chests but filled with casino tokens appear. The first few of these are legitimate slot machines but the mimic form is mixed in soon after.
    • Dragon Quest Heroes: Rocket Slime features bog-standard Mimics, but by virtue of the game's monster recruitment system, has a Mimic that will join your tank crew, where you can have it mimic a chest and wait to spring upon some poor sap who thinks it's ammo and tries to steal it. It's unfortunately not very effective, since it can take a while to trigger (and is downright useless if the enemy has no interest in stealing your ammo unless you're willing to carry the mimic all the way to the enemy tank), and it's even worse against human players since chests make for poor regular ammo and are unlikely to be bothered with.
  • Dragon's Dogma features the Maneater, a very powerful snake-like creature that emerges from certain chests. It can swallow characters whole and cast instant-death magic. Thankfully, they randomly appear, but only in certain chests, so a savvy player can be prepared or simply avoid them once she knows where they lurk.
  • Dream of Mirror Online had Toxic Trunks in the Inn Basement; although it was pretty clear that they were not treasure chests and actually were alive (they even wandered around their spawn area), they could be nasty to those not prepared or high-leveled enough to fight them; as the name suggests, they could poison you and even lower your defense. Couple that with their tendency to gang up on you, and it's enough to make any low-level player run for their lives.
  • Early in Dubloon, you get to a room where to get the key, you have to open 5 treasure chests in correct order. Opening in wrong order results in a battle with a skeleton. Also, the final boss is a literal Chest Monster.
  • Duke Nukem and Duke Nukem II had chests that, while not technically monsters, had bombs inside that exploded after the chest was shot. In Duke Nukem II, these could be distinguished from chests containing health items by walking: if you passed in front of the chest, it contained health; if you passed behind it, it was a bomb. Careful level design made this nearly impossible to notice until it was revealed in the hints file for the registered version.
  • Duke Nukem 3D features a variation: the trashcans throughout the game can be broken and they will provide you with power-ups. But later in the game, some of the trashcans contain hidden monsters, and there's no way of telling which ones do and which ones don't until you smash them open...
  • Dungeon Keeper 2 has a trap called the jack-in-the-box. Disguised as a magical item, your imps will try to take it to your dungeon, when it explodes.
  • Dungeon Siege 2 had Mimics that were nightmarish. They were uncommon but unbelievably dangerous. Luckily they also dropped a bunch of good loot when defeated.
  • EarthBound has a number of Animate Inanimate Object enemies, most of which appear in a certain department store, which have the Overworld-Sprite of a present box despite looking nothing like one in battle. These include the Scalding Coffee Cup, which tends to drop a cup of coffee when defeated. Items can also be found inside garbage cans, but those can also turn out be enemies that pursue and attack you.
  • The poison clams in Ecco the Dolphin. They look like healing clams but have a nasty surprise when activated-it's like being hit by the other enemies.
  • Enter the Gungeon: The aptly named Mimic is a Chest Monster that can be randomly encountered throughout the came, though finding one is rare. It replaces ordinary chests, and looks exactly like them, save for the occasional movements and lack of a keyhole. When interacted with or shot at, they reveal themselves to be mimics, and proceed to attack the player. Mimics are notoriously hard to kill - their high HP coupled with erratic movement patterns and high rates of fire make them difficult targets. If the player moves into a room outside of the one which the mimic was found in, it will pursue them. Additionally, the "quality" of a chest affects Mimics as well - the higher the quality of a chest that a Mimic... mimics, the stronger the Mimic will be. Mimics that are red or black are particularly nasty as opposed to brown, blue, or green Mimics, by virtue of having a different, more dangerous attack pattern, and trading their magnums for miniguns.
    • The Expansion Pack adds item pedestal mimics (which always drop the item they display) and wall mimics (which can drop minor pickups and items). The chests in the Resourceful Rat's Lair can be Mimics as well, which have a different attack pattern than regular chest Mimics - including firing a missile when provoked. Unlike other Mimics, they drop the same every items - a piece of the Resourceful Rat's gear - in every playthrough.
    • A Mimic Gun also exists, which has a small chance of replacing any gun that you pick up. Once you pick it up, you can't switch to your other guns, and it actively tries to harm you by turning any enemy bullets it passes through into a more damaging variant. The only way to get rid of it is by dealing enough damage to enemies with it or picking up an ammo pickup, after which it will transform back into the gun that it was mimicking.
  • The Fatal Frame series had items that could be picked up marked by a glimmering point of light. During the first three games, they turn out to be very helpful in finding useful items that would otherwise be hidden in the dark environment. And then in the fourth game for the Wii, Tecmo pulls one of these where a ghostly hand would grab the character's wrist and require the player to shake the Wiimote to get loose.
  • The Final Fantasy series. These are sometimes called "enemy ambush" or "monster in a box", and most of them do give you items upon their defeat, often very valuable ones or Potions.
    • Final Fantasy II is the first game in the series to introduce these. One memorable Chest Monster encounter pits you against Palette Swaps of a Demonic Spider species of enemy...that proceed to cast Cure on your party.
    • Final Fantasy IV has the box with the three Mad Ogres in it or the four Malboros. IV also has the Door monster, which only appears in one dungeon, but it's a Demonic Spider, which deals massive damage and transforms into a Manticore upon defeatnote .
    • Final Fantasy V had a monster guarding the Save Point in The Very Definitely Final Dungeon, right before the final boss.
    • Final Fantasy V has the most infamous chest monster in the series, if not gaming in general - Shinryu, a Bonus Boss who guards the strongest sword in the game. Neo Shinryu, an even stronger version of Shinryu that was added in the re-releases, also hides in a chest.
    • While VI generally has its monsters hiding in boxes (even when its monsters are much too large to reasonably fit), one optional miniboss triggered by a chest is identified as an "angler welk," a gigantic snail-like creature with a chest attached to it like the glowing portion of an angler fish.
    • Final Fantasy VII has a few, but in several locations.
      • The first is in the GI Cave's first area. There are four caves with rocks in them. The cave that is the second closest to the right of the room (with dialogue of "An odd-shaped rock") opens the way to the next room. Break any of the others and GI Specters descend on you.
      • An infamous example is in the Shinra Mansion in Nibelheim. There's a safe in one of the second floor rooms that requires a timed combination pattern to open (the clues to the numbers and their order are in various rooms in the house; one of them is written in invisible ink as a fourth option on the note that alerts you to the safe). When you attempt to open the safe, Cloud says, "I have a bad feeling about this" (just to clue you in to save and heal outside town before doing anything stupid) and if you persist, you then have 30 seconds to get the four-number combination right (you'll fail if you accidentally scroll past a correct number). Opening the safe unleashes the Lost Number boss on AVALANCHE (and this is one of the contenders for That One Boss), but if you survive, you win Red XIII's Ultimate Limit Break from the boss (it likely is too early to teach him since he needs to know all his other Limit Breaks), the Odin Materia that falls out of the safe when it opens, and a key to a side room in the basement prior to Sephiroth, where one of the "secret" characters, Vincent, is hiding.
      • Toward the end of the Ancient Temple, you can alter a giant clock hand to go to two of twelve doors. Doors #1 & 3 lead to actual Chest Monster encounters if you open them (a Jemnezmy and a pair of toxic frogs for Door #1, and two 8 Eye enemies with strong absorption spells for Door #3; both can be taken out with Bio). If, while on the clock, you get hit by the second hand, you fall into a room with Cloud's Nail Bat weapon and where two Ancient Dragons sandwich you; after killing them, the door out of here takes you a ways back in the Temple; it's possible to fight the dragons repeatedly.
    • Final Fantasy Tactics A2 has chests that sometimes are Mimics (White Gloves monsters) in disguise. They even get a surprise attack on the person that tried to open the chest. Afterwards, they act like a normal enemy and drop loot, which is usually more valuable than the potion or antidote commonly found in those chests (the more valuable chests look different and are never Mimics). They aren't much of a threat either, as they don't have a lot of health and are vulnerable to magic.
    • Final Fantasy VIII has an NPC monster in Esthar. It looks like an injured soldier with a darker palette, but when you talk to it, it giggles madly and transforms into a giant flying demon.
    • Mimics also make an appearance in Final Fantasy IX as 'monster-in-the-box' enemies (of course, this time the monster is the box).
    • Final Fantasy X:
      • The Omega Ruins occasionally pits you in Random Encounters with Mimics hidden in treasure chests, which if stolen from will reveal one of their four possible forms. Oh, and if this happens, you can't escape from battle until you defeat it. (They do drop a lot of Gil though. And you can safely Mug them; if it's not a real treasure, it'll still die before becoming a Mimic).
      • There are also loose treasure chests in several areas, four in each. To get the treasures they have, you must open them in the right order. Open the wrong chest and you get forced into a fight, and if you are able to prevail, all the other chests disappear.
      • Earlier in the Al Bhed's Home base, you have the option of making any chest you open be a Chest Monster. When you check a chest in this building, you get four choices of what you want to see in the chest written in Al Bhed, and one of the choices is actually Al Bhed for "Fiend" (the monsters in this FF universe; if you picked up enough primers, which are saved to the game's hard drive rather than the file, the words will be translated so you can see what your choices are). If you decide you want "Fiend" in the chest, ye shall receive...
      • In the Chamber of the Stolen Fayth area near the end pf the game, a Random Encounter enemy called Magic Urn can be found. It is an urn with a Purple humanoid alien creature in it that gives you items if you strike the right eye symbol on the urn. If you hit the wrong eye, however, it explodes with a powerful blast that will likely take out at least one of your party and greatlt injure everyone else. The items you got will also go away if this happens. Which eye is the right one is completely random
    • Final Fantasy XII, in any area where the treasure chests looked like round pots with four metal legs, some of them would of course turn out to be actual mimics. The game's monster lore provided a long, creative backstory regarding their creation. And then there are the "Crystalbugs", three monsters disguised as Save Points, which were impervious to all elements and attacked using high-level spells, but fortunately left actual Save Points behind upon their defeat.
    • Final Fantasy XIV has treasure coffers in Hullbreaker Isle that can transform into a Mimic which can do a lot of damage and inflict Poison on the party. You have no choice but the fight them since they drop stone tablets that are needed to open a door. Palace of the Dead also has Mimics that can randomly spawn when you try to open a coffer. They still hit hard, but they can also inflict Accursed Pox, which causes damage over time, reduces your strength, and disables your HP from regenerating naturally for 10 minutes. You can also get a minion version of the Mimic that is harmless and follows you around like other minions.
    • Dissidia Final Fantasy technically doesn't have Chest Monsters. But due to the board-game type mechanics, when you pick up an item or defeat an enemy, other items/enemies will often appear in the stage. So pretty much any time you see a chest, you can be sure opening it will cause an enemy to spawn behind you and attack. They don't even try to hide it in one of the final stages - the path to the boss's square is clear and you can walk right up to it and end the stage instantly, or you can open the single treasure chest in the middle of the stage with no enemies around it...not until you open it anyway. When you do, ''four'' enemies appear, all very high level, and ambush you. There is no way a player can look at that stage and not know what's gonna happen if they go for the chest.
    • Final Fantasy XI has treasure chests and coffers that are normally opened with Interchangeable Antimatter Keys. Thieves have a special ability to open them without a key, but that creates a chance that the chest/coffer will turn out to be a mimic. There's also a boss battle where you're confronted with three chests. One is an actual chest while the other two are mimics. Choose the real chest and you get the loot without a fight. Try to open one of the mimics and you'll have to fight both of them (or give up on the treasure and beat feet).
    • Although there weren't any Chest Monsters in the original Final Fantasy, there are certain spots near some treasure chests that will initiate enemy encounters the moment you step on them. While a bane the first time you encounter them, as they are pretty powerful the first time you go through a dungeon, because they are always encountered by stepping on those tiles, you can use them to level grind later.
  • Forever Kingdom has two different variants. One sort where a monster comes out of the chest and tries to attach itself to you, causing some sort of status ailment, and another where after opening, the chest will explode, which not only damages the player, but also causes him (or her) to drop all the money that they had been carrying.
  • In Fire Emblem: Sword of Seals, two of the treasure chests in a Gaiden chapter contain fire Mamkutes.
  • Flight Rising has a yearly event featuring chest mimics that attack the player in the Coliseum. While they appear as regular mobs enemies in the Coliseum, upon defeat they will sometimes drop a regular chest which can be opened for a chance at rare items, including a mimic familiar of the player's own.
  • The Flying Giftbox monster from zOMG! looks identical to the Magical Giftboxes that have randomly rewarded Gaians with rare items for years. But get too close and they'll attempt to eat you. Flying Giftboxes can talk, and tend to travel in groups. The real threat comes from the Ring Box, which is the Metal Slime version of the Giftbox. It also looks identical to a Magical Giftbox, but travels alone and does not speak, making it easier to mistake for an actual giftbox if you aren't familiar with their weaker cousins. (Ironically, there actually are Chests, Baskets, and Boxes in the game, and they all are Animated as well, but the only hostile thing they do is refuse to open until all of other the Animated on the screen are dispatched. However, there are certain chests that have Animated pop out of them; you get the reward after they're defeated). With a later update to the game, in Deadman's Shadow there are Animated chests that can and will attack players.
  • Gauntlet has chests throughout the game that you open using keys you pick up along your way. Most of these chests contain food, money, or power-ups. But some of them have a ticking bomb inside them that cause damage to you if you are anywhere near it when it goes off. It also ruins any food or items that are in its range when it explodes, so if you set on off before you collect all the useful things around it you basically have two choices: Run around and collect the things and take the damage, or run away from the area and say goodbye to the items but take no damage. However, these chests are always in the same places, so if you have completed the level before and you remember which ones have bombs in them, you can avoid them or use them to your advantage to attack nearby monsters.
  • Gems of War: The Mimic, which looks like a treasure chest, but the lid opening is actually its maw.
  • The Ghosts 'n Goblins series had many of these, including living treasure chests, beartraps, and magicians who turned Arthur into a frog or other creatures.
    • Maximo: Ghosts to Glory has mimics which look like treasure chests with giant teeth and wizards hiding in chests which will turn you into an old man or baby if they hit you with their spells.
  • In God of War (PS4), Kratos can occasionally encounter undead enemies lying inside caskets that usually contain treasures.
  • In Golden Axe Warrior, the later labyrinths have a few treasure chest monsters that try to kill you, though they're not very subtle about it.
  • In Golden Sun, the Mimics actually drop some good items, so it is worth it to in engage them even if you are aware they are traps.
    • When first encountered, their huge well of HP is rather annoying, as it takes forever to kill them. This tends to balance out later in the game, when you can kill them rather quickly and easily.
  • Granblue Fantasy features two types of chest / loot monsters as listed in the trope:
    • The players can encounter enemies known as "Mimics" in the first wave of Maniac-difficulty Showdowns and the Arcarum. They appear as the typical "monstrous chest" type and reward the player with 8 chests of a specific rarity from bronze, silver, or gold depending on the mimic's color.
    • In Arcarum, other enemies can hide from chests and will ambush the player when opened, resulting in a "Do or Die" battle. Some text descriptions of chests acquired in the map often provide a hint if a certain chest is suspicious.
  • Half-Life had its own variation, a single first-aid station out of dozens throughout the game will explode if one tries to use it. It is conspicuous because it's sparking, but the temptation to heal up (or top off) after an intense battle just previously oft proves too great.
  • In the second Harry Potter video game, the occasional chest will turn out to contain Peeves the Poltergeist instead of useful items. This will not happen until the Skurge Challenge, though, where you're being tested on a spell that can be used to scare him off, so it could be considered part of the training. There's also a gnome in a chest in the Forbidden Forest level.
  • In Idle Champions Of The Forgotten Realms, Mimics show up as enemies and Greater Mimics show up as bosses.
  • I Wanna Be the Guy:
    • Among the things that kill you in this game, one is a fake Windows error message that makes fun of the fact IWBTG is a mess of barely functioning code that crashes if anyone so much as looks at it funny.
    • There a killer Save Point right before the final boss. It would turn into a regular save point upon being killed. It still appears in Impossible mode, which is supposed to have no save points; here the save monster disappears after being killed, but there's a 1 frame delay in which it's a normal save point that can actually be used.
  • Kid Icarus: Uprising has Mimicuties, Underworld mooks disguised as treasure chests that sprout (surprisingly shapely) legs and start kicking the mess outta you when you try to open them. They hit incredibly hard, move very quickly, and take more hits to defeat than nearly any other enemy in the game, making them extremely troublesome to deal with. Mimicuties make a return in the 3DS version of the fourth installment of Super Smash Bros., where they appear in Smash Run. Like in Uprising, they mimic chests that you can open to get stat boosts. Also like Uprising, they're a pain in the ass.
  • The King of Dragons has teethed monstrous chests posing as normal ones, awaiting to jump at you when in close proximity. Fortunately, they aren't really hard to deal with.
  • Kingdom Hearts features this in the very last dungeon: You have to run from chest to chest to move on, because invisible walls are blocking every other path. Of course, every player has the great urge to open these chests, so a quarter of them are actually filled with The Heartless. To make matters worse this is the only part of the game where you CAN'T run from random encounters! On the other hand, each of these encounters does give you a good item when you beat it.
    • Early in this game, you come across the Mad Hatter's Tea Garden in Wonderland, and have a choice of which of the seven chairs you want to sit in to receive your unbirthday presents. Most of the chairs will summon tea utensils/boxes that will give you HP/MP balls and maybe a few items. Sitting in Alice's big red chair or the middle chair on one side of the table will make a rather dark-looking unbirthday cake appear and explode, filling the garden with Heartless enemies and making the whole table disappear; you have to fight and destroy the enemies, then leave and come back to reset. Each chair can only be used once.
    • Kingdom Hearts: Chain of Memories had a better one- a treasure room called False Bounty. Three chests, but only one has treasure. Open either of the other two, you get a random fight.
    • In all three Kingdom Hearts games we have Barrel Spiders and Pot Spiders. Barrels and pots usually dispense health and magic orbs when hit, but come close to these guys and they'll sprout eyes and legs and start attacking you as well as blowing themselves up.
    • And Jafar can conjure up a Barrel Centipede! What an asshole!
    • Kingdom Hearts: Birth by Sleep has 'Chest Spiders,' which are Exactly What It Says on the Tin.
    • Kingdom Hearts: 358/2 Days has the Cymbal Monkey and its stronger form, the Tricky Monkey, which hide in fake treasure chests where one would normally find items.
      • The Ruler Of The Sky is an extremely decorative treasure chest and a sword when dormant. When active, the sword becomes part of its wings, and the chest becomes its mouth.
    • In Kingdom Hearts coded you can encounter Block Spiders, basically a block that got legs and attacks you. At one specific point of game where you have to recover your strength, you can encounter a variant - Prize Block Spider - that is very easy to defeat, looks like a Prize Block (a local variant of respawnable chest) and drops a power points to restore your strength.
    • The Jestabocky Dream Eaters in Kingdom Hearts 3D: Dream Drop Distance disguise themselves as treasure chests at times, though they're distinguishable by their brighter colors. They also very unconvincingly disguise themselves as items mid-battle (Actual items don't move and bob up and down in the air).
  • Lampshaded in the browser-based MMO Kingdom of Loathing, where smashing a barrel in the Barrel Full of Barrels will sometimes result in a combat encounter with a mimic. The narrator even exclaims before the fight "You're confused — you thought these things could only mimic chests!"
    • There's also a mimic you fight in the Dungeons of Doom who's disguised as "something that looks like a cloak" (for which you pay 5000 local currency units directly prior to engaging in combat); after combat, you use the dead mimic's body to get either a transformation wand or a set of potions and a ring.
    • The "bag of airline peanuts" actually contains live snakes.
  • Kirby's Return to Dream Land has Sphere Doomers, which have a habit of eating the game's standard collectible Energy Spheres and reveal themselves upon being collected. Defeating it will net the goodies. The Disc-One Final Boss is a King Mook version of them, Grand Doomer, which has eaten one of the "big" collectibles (the Lor Starcutter's mast).
  • In La-Mulana, the Twin Labyrinths has a fake Ankh Jewel that turns into a bunch of Goddamned Bats when approached. However, a similar bat explosion results when a necessary passage in the Temple of Moonlight is opened up.
  • One Bonus Dungeon in Last Scenario is filled with killer save points. While they're fairly tough, there's also so many of them that it's almost always easy to pick them out after you fall for it the first time. The trick instead is to figure out how to get through the dungeon while fighting as few of them as possible, since they act as respawning roadblocks, and one part forces you to backtrack through a section of the dungeon while on a time limit.
  • The Legend of Zelda:
    • There are Armos statues throughout the series. Some attack, some don't.
    • Various games feature dungeon tiles that rise up and throw themselves at you to try to kill you.
    • Zelda II: The Adventure of Link occasionally has townspeople who turn into monsters after you talk to them. These are fairly easy to avoid, though- just... don't talk to the random townspeople. They very rarely have anything interesting to say anyway.
    • The Legend of Zelda: A Link to the Past do this with skulls (the Dark World's equivalent of rocks) and dungeon tiles coming to life. It also places mines and enemies under some bushes.
    • The Legend of Zelda: Link's Awakening features treasure chests that look normal but release Zols when opened. Thankfully, these are somewhat rare.
    • The Legend of Zelda: Ocarina of Time:
      • In the Spirit Temple, you're conditioned for most of the dungeon to believe that "reflecting light onto sun switches = good". However, a handful of these switches release booby trapped chests that freeze Link upon being opened and invisible Floor Masters or Wall Masters when tripped (the sun switches return for the Gerudo Training Grounds and one of the rooms in Ganon's Castle; the latter will summon Wall Masters if the wrong ones are activated; they also return for Majora's Mask's Stone Tower Temple). The Fire Temple includes a few door monsters that fall down on top of you when you try to open them (these doors, however, stick out a bit and should be obvious traps; they return for the room with the boss key in the Spirit Temple, which uses larger doors, which makes the door mimics stick out). Also appearing in several dungeons throughout the game are pots that, while not "fake" per se (they often contain the same minor items as normal pots), rise up off the ground and hurl themselves at you.
      • The boss of the Water Temple, Morpha, looks like a swimming pool when you enter the room.
      • The Poe sisters and Phantom Ganondorf who hide in paintings.
      • The Iron Knuckles look like statues until you attack them (which you will have to; each one is a Mini-Boss that needs to be destroyed to continue with the game when you see them).
    • In The Legend of Zelda: The Wind Waker, sometimes small enemies burst out of jars.
    • In The Legend of Zelda: Twilight Princess there are giant worms which hid under floor tiles and jump up when you cross them. Luckily, they occasionally peek up to look around, and you can wait with the Gale Boomerang in tow.
    • In The Legend of Zelda: Phantom Hourglass, you can occasionally come across rupees just sitting out in the open. These are attached to an antenna on a Like Like (monsters that look like a giant blancmange with a maw on top) that would pop out of the ground and try to suck you in if you get close enough.
    • The Legend of Zelda: Spirit Tracks takes the familiar Like-Like enemy and makes it more frustrating by including ones that hide inside pots and burst out to attack you when you get too close. Pots containing them will occasionally shake, tipping you off to the shield-eating menace's presence, but chances are that you'll be either too busy or too eager to get whatever's inside the pot to notice. And then there's the one hidden inside an actual treasure chest. Fortunately, this only happens once.
    • The Legend of Zelda: A Link Between Worlds had some Like Likes disguise themselves as Red Rupees.
    • Breath of the Wild features a variant of the Octorok that wears a fake chest on its head; the chest looks like all the other metals chests that can be yanked out of the ground using Magnesis, except the Octorok's chest is not magnetic. And wearing the Champion's Tunic will reveal the enemy's health meter.
  • The Jaw Boxes in The Legendary Starfy are disguised as green treasure chests, looking identical to the other ones found in the S.S. Logwater. But star-spinning into them have them reveal their sharp teeth and chase after Starfy.
  • Shooting certain walls in Legendary Wings's Lucky Stages generates enemies.
  • The Lufia series has these, though in the first game Mimics were random-encounter Metal Slimes rather than fixed encounters.
    • In Lufia II: Rise of the Sinistrals, red and blue chests are both mimicked, to annoying effect in the Ancient Cave. Both are distinguishable from the genuine article by their coloring being slightly off, but the blue mimics are much harder to pick out than the red ones, and if you get caught by one, unless you've really geared and leveled up well (read: went in with more than a few items from, well, blue chests and/or gotten really lucky), your ass is pretty much grass. They return in Lufia: Curse of the Sinistrals, only this time they're visually identical to ordinary chests and release status-effect-inflicting gas when you try to open them (and they can't be damaged until you do so). There is a trick to them: normal chests have a fixed grid alignment on the floor; if a chest is out of alignment with the floor tiles, it's a Mimic. Oh, and occasionally you'll come upon a trap room filled with chests (read: possible Mimics).
    • In addition to Mimics outside of the Ancient Cave, Lufia: The Ruins of Lore can have monsters come out of any container you search inside of the Ancient Cave, in lieu of normal encounters. This includes the possibility of finding a Mimic inside of a monster-filled container, so you can fight a Chest Monster while fighting a Chest Monster.
    • The Ancient Cave also includes shrines, which can give bonuses if the hero is the right class...or reveal themselves as thieves, stealing money from the player.
  • Luigi's Mansion:
    • There are fake doors and ghosts attacking from various hiding places.
    • Jarvis, a ghost, is literally a jar monster. Approach the jar looking for treasure, cue mini-game and Mini-Boss battle.
    • Two rooms have literal Chest Monsters, and they're the Hidden and Sealed rooms (a few of the chests in the first room have ice ghosts in them, and the chest in front of the mirror in the Sealed Room has a four-pack of ghosts in it; both must be opened and dealt with to clear the room)
  • Luigi's Mansion 3: A few places have what act like chest monsters, however it turns out they are just possessed ordinary chests. You stun them, hit them with the black light to force the ghosts out, suck them up with your vacuum, then it becomes an ordinary chest you can open.
  • Mabinogi has monsters called Mimics, which look exactly like chests in the dungeon they appear in. Every room (or section of corridor) with more than one chest means that all but one is a mimic. And the fomor scrolls they commonly drop are quite lucrative. Unlike most examples on this page, these mimics are fun to encounter!
  • Magic Sword: Heroic Fantasy has several trap chests scattered on the stages, which either explodes in a wave of fire pillars, releases a group of monsters or summons a shower of rocks upon you; all of which do considerable damage.
  • Played with by the "Trashure" enemy from Mario & Luigi: Bowser's Inside Story. The enemy looks like a treasure chest on the overworld. However, the player is not fooled because 1. it has eyes and moves around 2. treasure in this game comes in blocks, not chests. It's a great enemy to fight as it opens up at low health and Bowser can use his vacuum to suck in a lot of money. However, it tends to run away often.
  • Magicka has Chest Monsters in the Challenge mode, though their disguise is a bit illogical since the game has no real treasure chests. Like most things in the game, they were only added as a referential joke.
  • The Mario Kart series features Fake Item Boxes as a recurring item. They differ from regular item boxes only in that their signature "?" insignia is upside down. However, in the DS version, they also show up clearly different on the minimap, and after 64, are colored red.
  • Even Mega Man is not immune.
    • Mega Man & Bass has literal Treasure Chest Monsters, in Pirate Man's level. There are also legitimate chests containing the CDs needed for 100% Completion.
    • Mega Man ZX Advent has the Vitaful, which looks like one of those capsules you pick up to fully replenish your health, only purple in coloration. They also stop flashing before they reveal their true nature, which happens when you get too close.
    • A few One Ups in the later levels of Mega Man 9 are actually Metools in disguise. To make matters worse, it appears among a real one-up and some other goodies in an After Spike Gauntlet Recovery area. They're less likely to fool you when they appear in Endless Attack, since it's a mode where you only get 1 life.
    • Mega Man Legends had false treasure chests that would fire bombs at you when you opened them. Some even grew legs and started running! To add insult to injury one particular chest looked like it would be something you could money farm off of, it would stand up and generate a massive amount of refractor shards and dump them right in front of you...try to get them without the vacuum though and it would try to sucker shoot you with a single bomb!
  • In the Mega Man Battle Network games, there's a chance that a green mystery data will contain a virus inside of it instead of an item, though it'll simply be one you can find in the area normally. This can be circumvented by simply using the inexpensive Untrap item which lasts until you leave the net and will remove said viruses.
  • Metroid:
    • Metroid II: Return of Samus has Arachnus, an optional boss disguising itself as an item held by a Chozo statue. It can only be harmed by bombs and yields the Spring Ball after killing it.
    • The first boss of Super Metroid is a Chozo statue (named "Torizo" in the Player's Guide for the game that comes to life and tries to kill you when you take the power-up it's holding. It's not clear why the Torizo attacks Samus, especially considering the Chozo raised Samus, though lore from later games seems to imply that they're guardians of the Chozo's technology and certain areas. Alternatively, the Space Pirates could have taken control of it, but the answer is up in the air.
    • In Metroid Fusion, an X parasite mimics one of the Chozo statues that traditionally power Samus up. Two more X mimic missile and energy tank Power Ups.
    • Metroid Prime 2: Echoes has a weird variation in that the Luminoth cultivated plant life as storage containers. The Ing, on the other hand, turned weaker members of the species into containers.
    • The Boost Ball power-up in Metroid Prime 3: Corruption leads you to a boss battle against the Defense Drone when you approach it. You do get it after the battle, though.
  • In Miitopia, some of the regular treasure chests are trapped and contain various monsters the Miis will consequently have to fight. There is no way of telling if a chest is a fake. Although the big golden chests are never traps.
  • Monster Hunter 4 has the Ruby Basarios, which disguise themselves as those patches of ruby crystals that you can mine in the Everwood.note . You can safely tell that a particular patch of rubies isn't what it seems because a. actual ruby mining points only appear on the edges of areas, not in the middle like Ruby Basarios does and b. you can toss a paintball from afar; if it marks the target and wakes it up, it's obviously one of them; if it goes through, it's a real set of rubies.
  • EarthBound's successor Mother 3 has just one Chest Monster in the Thunder Tower, which is slightly stronger than the random encounters.
    • A few boxes in a haunted castle don't contain enemies, but do contain ghosts that cause a specific status ailment.
    • Other boxes are even more pointless: some boxes set off fireworks, others cause little drum licks to play, and a few simply fart at you. To this, the game only responds: "...Ah." Also, "Lucas opened the present. Incredibly enough, there was a hot spring in the box!" Considering the fact that you have to get in a hot spring to be healed by it...
    • Also, the lethal-on-contact Ultimate Chimera.
    • Among the monsters there are also door mimics, slightly different from real doors.
    • There's also a Men's Room Sign enemy in the final dungeon, which imitates's room sign. That knows PK Starstorm.
    • One random encounter in the sewers of New Pork City hides in a trash can.
  • The RPG Maker game Middens has a monster that disguises itself as the Love Bus. While it looks identical to the actual Bus, it's not in one of its usual stops. It will show its true form and attack you if you try to enter.
  • Minecraft
    • The popular Aether Mod introduces Mimics to the game, chests in boss dungeons - mixed with "normal", loot-filled chests - coming to life and attempting to bite the player when opening is attempted.
    • Silverfish start out as a special type of stone block that mines curiously fast if you don't have a pick, and if attacked will summon their brethren to come out of hiding automatically. Once they start spawning, the best strategy is to just get the hell out of Dodge and wait for them to go into the surrounding blocks, which when mined will start the whole thing over again, or another possible but more dangerous strategy is to carry a bucket of lava with you and dump it in front of the oncoming horde. With some updates, players have the ability to place these types of wall masters in creative mode wherever they please, which is most likely for people creating custom maps with traps. In survival mode, if you mine these special blocks with the Silk Touch ability in your pickaxe, you can harvest the booby trapped block and place them anywhere else as traps for your friends. The item is even called "Monster Egg" in the inventory.
  • Inverted and played straight in Mystic Ark. The Mimics are quite friendly Despite being locked up in the basement of Kidsdom Mansion, even one of them will heal you if you talk to it. In the Giant's world there are Mimics but they don't disguise themselves, they are random enemies.
  • The Irem Arcade Game Mystic Riders has treasure chest monsters distinguished by their color as well as by occasionally getting up and walking around.
  • In Nethack, mimics are most commonly found in shops, which makes a nasty trap for lower level characters. They rarely ever imitate the correct item type, making for a fun little minigame of "find the odd symbol out" with, say, an ! (potion) icon in a rare book shop full of + (spellbooks). Won't help in a general store, however. Unless they mimic, say, the stairs up or down. Or the ] symbol ([ is armor, but ] is unused).
  • Neverwinter Nights had a funny one, either the second expansion pack (Hordes of the Underdark. It was necessary to kill the creature to complete the story, as you had to use the creature's severed arm to cross a number of obstacles.
  • Neverwinter Nights: Hordes of the Underdark has an odd example. Instead of attacking you, it steals all your gear. You have to destroy it to get your stuff back, and it's immune to all your attacks. It's basically a harmless but annoying Puzzle Boss.
  • In the Xbox 360 game Ninja Gaiden II, boxes are scattered all over the place, which usually give you some kind of health boost or extra essence. But every so often, it contains zombie fish which can seriously hurt you if you're not careful. This is actually carried over from the first game in the series, back on the Xbox.
  • The Mimics in Nox.
  • Ammo Chest Mimics in Nuclear Throne can replace a normal ammo chest on almost any level. They deal contact damage to any unsuspecting player trying to get an ammo pickup. They have an easy tell, however; while normal chests occasionally glint in the light, mimics don't, and instead lick their lips every few seconds. Health Chest Mimics exist as well.
  • Such creatures are briefly encountered in the Ghost Ship portion of Ōkami. Fortunately, their coloration and a certain wind power can give away their disguise.
  • The Hurt Plants of Paper Mario look like Heart Plants. But while Heart Plants provide you with Heart Points, Hurt Plants initiate battles with you.
  • Paper Mario: The Thousand-Year Door parodies this trope by including large black chests holding slumbering evil spirits. Every time you open one the spirit inside places a curse on you, but the effect invariably end up being a useful in-game ability. By the time you find the last one, the party lampshades that they know what's going to happen when they open it.
  • Parasite Eve had Chest Monsters only in the Bonus Dungeon, the Chrysler Building. They didn't appear in the boxes until around the 30th floor or so and once found, you couldn't escape. Unless your armor had super high defense, you may not survive the encounter.
  • Perfect Dark featured the Dragon machine gun, which had a secondary mode that allowed you to turn it into a proximity mine. This was tons of fun in deathmatches. ("Hey, I think I'll stroll over here and grab this gun... What the...!?")
  • Persona 4:
    • The game hides Bonus Boss Reaper in random treasure chests while playing through a New Game+. Thankfully, it's kind enough to give you an ambiguous warning when you try to open it. However, on rare occasions a Shadow will jump out of a treasure chest without warning and initiate a battle complete with an Enemy Advantage. Given the nature of the game, this would likely result in a Game Over.
    • Golden allows the Reaper to show up during a first playthrough. You still get a warning when you're about to open his chest, fortunately. And his arrival is announced with that lovely dragging chain. Be careful how many treasure chests you open. Not only does the Reaper arrive if you open too many on a single floor, but the odds of being jumped by a Shadow seems to go up as well.
    • There's also the occasional chests that sap your HP or SP when opened, accompanied by a very sudden red flash and "punch" sound effect. These chests are not present in Golden for some reason.
  • Phantasy Star series:
    • Phantasy Star II has a dead-end room in the final dungeon where a single treasure chest blocks your path. After navigating a maze dungeon with powerful monsters, one would imagine this implies the part where you get the final ultimate item you can use to reach or defeat the final boss; however, it turns out to be one doozy of a Chest Monster... The game series' recurring Big Bad, as well as the second-to-last boss of the game - Dark Force.
    • In Phantasy Star I, the treasure chests dropped after Random Encounters were occasionally boobytrapped to explode or shoot an arrow when they were opened.
  • Pokémon.
    • The field sprites used for item balls are identical to the mons Voltorb and Electrode. Said Pokémon have a nasty tendency to explode before you can KO them. This completely stopped making sense in Generation III. Prior to that, the sprite for item balls and the Voltorb/Electrode were just balls with red and white hemispheres. From Gen. III onwards, the sprite is very clearly a Poké Ball shape with a button in the center, which both Voltorb and Electrode lack.
    • On the route just east of Fallarbor Town in Pokemon Ruby/Sapphire/Emerald, dimples in the layer of volcanic ash can mean one of two things; a hidden item, or a disguised Ninja Boy who will leap out, say something ridiculous, and proceed to poison all of your Pokémon with the inevitable Koffing.
    • Item Boxes in Pokémon Colosseum and Pokémon XD are square in shape, so Genius Sonority knew they couldn't use the old Fake Item Ball trick from the games. They still included their own brand of Paranoia Fuel with ceiling-mounted Cipher Peons, which were placed in otherwise empty hallways and love to drop in your path when you desperately needed to get to the healing machine they were most likely guarding.
    • Foongus and Amoongus - mushroom mons with Poké Ball designs on their caps - are these in Pokémon Black and White, as Voltorb and Electrode aren't native to the region. The worst part, their Ability (Effect Spore, a carryover from Gen III) can give negative status effects to any enemy who hits them! Their 'Dex entry suggests they evolved their cap design in an attempt to fool their prey; this is less likely to fool the Pokémon than it is to fool the trainer. At least they're slow, unlike Voltorb and Electrode, so if you want you can run away. Furthermore, since only their caps are disguised, their trick only works in tall grass.
    • In Pokémon Black 2 and White 2, the trickery continues, but now you can even come across Foongus looking like an item in a Hidden Grotto. This doesn't even make sense anymore, since in the Hidden Grotto, the ball is shown in full and not just the cap. On the plus side, the Foongus won't have Effect Spore, but its hidden ability, Regenerator.
    • Pokémon Sword and Shield gives us Galarian Stunfisk, which has steel fins resembling the teeth of a bear trap and a mouth that looks like a Poké Ball. Its Shield Pokedex entry even mentions that Stunfisk uses its lips as a lure to draw in prey. In the actual game, however, they don't actually try to pretend to be an actual item ball due of how small they are and their lips are more of an indicator where they are laying.
    • Sudowoodo from Pokémon Gold and Silver pretends to be one of the trees that you're supposed to use Cut on. Instead, you have to water it because they're Rock-types. Used again in Emerald's Battle Frontier.
    • Pokémon Super Mystery Dungeon has Dittos. In previous Pokémon Mystery Dungeon games, they were simply disgused as other Pokémon, but in this game, they are disguised as items until you pick them up. They will then transform into the currently controlled Pokémon and confuse the rest of the party. Unsurprisingly, they are Demonic Spiders.
  • Ponpoko has "?" pots that release either bonus points or snakes.
  • Prey's most common enemy, the Mimic (scientific name Typhon cacoplasmus), is capable of transforming itself into a copy of a nearby item in order to ambush you when you get close. In addition to doing this dynamically, there are also a few notable scripted Mimic encounters:
    • Your first encounter with an actual gun, the silenced pistol, is one you see lying next to a dead security guard on the other side of a door. The gun you can actually see, however, is a Mimic - the real one is out of sight behind the door frame.
    • A Fabricator in the Psychotronics director's office has a useful item apparently jammed in it. It's a Mimic.
    • In one of the larger Psychotronics labs, nearly every item has a note reading "Not a Mimic" on it. The rest, of course, are Mimics.
  • In Level 12 of Prince of Persia 2, there's a sword lying on the ground at one point, which you may think is a weapon upgrade, but when you approach it, it bursts into flames and attacks you. Run!
  • In Psycho Fox, eggs may contain enemies instead of useful items.
  • Quest 64 and Quest: Brian's Journey have the traditional Mimic design, being a slug in a chest. It subverts it by making it a purely random encounter. There are no booby-trapped chests whatsoever in these two games.
  • Ragnarok (the roguelike version) features an interesting variant in the form of chameleons, which pretend to be other items until you try picking them up. Even telepaths cannot detect them, though you can sometimes deduce that an item isn't real if it has appeared since you last explored a level.
  • Ragnarok Online has a particularly Fridge Logic-worth example; there are goddamned mimics (of two varieties, even), but there are no treasure chests!note  Although unlike the usual stereotype, these mimics don't even try to pretend to be those non-existent chests and lie in ambush - to the contrary the bastards are blindingly fast and attack on sight. Many a Squishy Wizard lies dead at their teeth...
  • Ratchet & Clank Future: Tools of Destruction has these.
  • Rayman Origins features the Tricky Treasure Chest, it actually doesn't attack you nor it's hidden since the game has a special type of level just for it, instead when it sees Rayman & company, knowing what they're going to do at it, starts running away for its safety, making some frantically funny levels.
  • Stage 5 of the PC Engine shoot 'em up Rayxanber III begins with a bunch of powerups flying towards the player. They turn into monsters when approached.
  • In the remake of Resident Evil, putting the red jewel instead of the yellow one in the tiger statue eye will cause snakes to drop from the ceiling.
  • Some boxes in Resident Evil 4 contain snakes instead of items.
  • Some versions of Rogue had the Xeroc, a monster that would look like the money, rings, armor, etc that lie around the dungeon.
  • These things are horrible in Rogue Galaxy; the first few you meet a liable to cause a Total Party Kill. Not only are they about five times as strong as any random monster, but they surprise your party, leaving you unable to fight back for several seconds at the start of the fight! On the plus side, killing them always gives you a Hunter Coin. The lock on the box appears a little different from a normal area chest and the box stops opening partway just before the fight.
  • Some Roguelike games take that to similar extremes, and feature monsters that look like empty space. One especially Interface Screw-y creature is found in Zangband, making itself hard to identify, not only by being invisible, not only by looking like a floor tile even if you can see invisible monsters, but by having the name "It," so that all of its attacks will look exactly like those of a monster you can't see ("It touches you"). It's Monster Chatter has lines like "It summons Greater Undead!", screwing with the player even more.
  • One of the default enemies in RPG Maker XP is clearly meant to be used like this.
  • Rune Factory Frontier has the Monster Box (and it's higher-level cousin, the Gobble Box), the classic example of a treasure chest with sharp, pointy teeth. They're rather easy to pick out (you'll notice the lack of a command before you get close enough to set it off), aren't a threat save for their high defense, and, like all other monsters other than bosses, can be tamed to follow you around town and the dungeons and spit out free jewels and metals every three days.
    • The Monster Box also appears in Rune Factory 3, along with more higher-levelled versions.
  • SaGa Frontier featured evil chests that spawned monsters. However, a lot of them dropped awesome prizes when defeated, so if you knew which were booby-trapped, you could grind and then go kick the chest's butt for loot.
  • Both Shin Megami Tensei III: Nocturne and Digital Devil Saga have trap chests that contain random encounters. There are also trap chests that damage and inflict status ailments on your party as well. Mute seems to be favored by Nocturne's damage chests.
  • In Shovel Knight:
  • Silver has animated chests that spring arms and legs (and swords) when you try to open them and attack you.
  • Skylanders Trap Team has a boss called Chomp Chest, who, as his name implies, is a treasure chest with teeth. The game also seems to imply that treasure is essentially food for him.
  • An unusual case of a monster disguised as a harmful item, the spike enemies in the Marble Garden Zone of Sonic 3 & Knuckles imitates the spikes you see in the level until you get near, after which they show themselves and start shooting. Interestingly, they're actually more useful, as their apparent spikes actually work like a spring. There's also the boss of Flying Battery Zone Act 1, which looks like a normal animal capsule until you press the button on top of it, at which point it sprouts two spikeballs on chains and tries to kill you.
  • Shining the Holy Ark has a particularly nasty example in the form of a Chest Ghost that possessed Soul Steal, likely killing Basso (your party's tank) until you could resurrect him in a church. Not pleasant when you need his attacking prowess for the area's boss.
  • In Spelunky, pots may sometimes contain snakes or spiders. Random skeletons lying on the ground are usually just decoration that you can pick up a throwable skull from, but they can also rise up and attack if you're not paying attention. Treasure chests also may sometimes contain a bomb instead of gems (or in the case of the remake, both). Very annoying if you're carrying a damsel.
  • In the StreetPass Mii Plaza game StreetPass Mansion/Monster Manor, features mimics as treasure chests, but they function as the same type of Random Encounter as normal ghosts. Regular treasure chests are always opened normally without any risk of them being monsters.
  • Even though they are a Guide Dang It! because nothing hints about them, certain butterflies in Super Mario 64 turn into 1UP mushrooms if you let them approach you and land on your head. Knowing this, you're tempted to do this on every single butterfly you come across. However, some of them are actually bombs that slowly chase you when revealed. In the same game, the Mad Piano in Big Boo's Haunt can give the unsuspecting player a heart attack, as it suddenly becomes extremely loud when it wakes up. And a Red Coin is right behind it!
  • Super Mario RPG:
    • There are several enemies in the game that are actually item chests, and attack you when you open them. They are significantly harder than regular enemies, basically making them minibosses. They have high attack, defense, magic attack, can sometimes heal or summon, and are immune to just about all spells, except for Mario's jump.
    • The Forest Maze has mushrooms strewn about, some of which you can pick and keep as a curative item while others were Amanitas in disguise that spring to life and attack when you get close.
    • Super Paper Mario has Zombie Shrooms, which resemble normal restorative items, but come to life and attack the player after a brief delay.
  • In Super Mario Bros. 2, the Mask Gatenote  gate in World 7-2 attacks you. Once you defeat it, it acts like a normal Mask Gate that takes the player to the Final Boss fight against Wart (this doesn't apply in Doki Doki Panic, which used masks; this gate in that version is like all the others).
  • In certain levels of Super Mario Bros. 3 there are enemies called Pile Driver Micro-Goombas, which hide underneath and look like normal blocks until you get close, when they spring up and jump at you. In the NES version, you can tell these blocks from the normal ones because they don't "shine". In All-Stars, however, they are only spotted by the shine going into the opposite direction of a normal block.
  • In the hotel level of Super Mario Sunshine, you'll find a building-full of Boos when you are able to get in, and some coins. The coins that rotate slowly (in a manner so that the coin is facing Mario) are in fact Boos in disguise and will "poof" and attack when he draws near. In addition, during the Shadow Mario chase, the Boos will disguise themselves as Shadow Mario; these guys don't have his paintbrush, flash white a few times, and the Shadow Mario music will not play when getting near them unless Shadow Mario himself is nearby.
  • One of the things a creator can do in Super Mario Maker is put an enemy in a ? block instead of an item, and said enemies can range from Koopas to Hammer Bros to Boo Carousels.
  • The Tales Series. Justified somewhat by the fact that they give you All Divides, which are one of the games' most powerful items.
    • Fakes in Tales of Eternia get special mention. They take something like 10 times lessened damage from every attack you can make, including those with fixed damage like Distortion. They also start the battle Poisoned and lose a significant slice of their HP every few seconds. This makes every Fake battle more like a Hold the Line fight. (Distortion actually is helpful against Fakes, for a different reason - it holds the Fake immobile for several seconds while still allowing it to take Poison damage.)
    • Tales of Symphonia: Dawn of the New World has a normal monster in the shape of a treasure chest.
    • In Tales of Vesperia they give you various items, usually not All Divides, if ever. They also give large amounts of gald.
  • In Tap Adventure: Time Travel, the Mimic is an enchanted chest that grows through various stages of development with the help of Imp workers who place organellas inside, granting various stat boosts until the Mimic dies and grants items to the rest of the party.
  • In Tap Tap Infinity, the Treasure Chest enemy grant extra gold when defeated.
  • In Terraria, Mimics will show up in worlds once "hard mode" is unlocked. They're fairly tough, but drop loads of money and a rare item when defeated. Like the Torchlight examples below, they are easy to spot; this time, it's because they often aren't aligned to the furniture grid like normal chests. Furthermore, they can spawn anywhere, often in places you've already searched and thus know don't have chests. Even more blatant, underground chests in worlds generated past only show up in the respective biome's underground cabin meaning that any chest not inside one is a mimic. They can also be told apart using a spelunker potion and/or hunter potion as treasure and ores are given a yellow-ish glow while monsters are lit up with a reddish-ish glow. It's important to note that these can also be spawned by wiring up a chest statue to any kind of switch; those unfortunately don't drop any items or coins though. There are even rarer versions specific to certain biomes that are even tougher, but drop more valuable loot. There are even easier to spot, as they're twice the size of a normal chest and don't conform to any design. You can even create them yourself by creating a key out of souls and leaving it in an empty chest.
  • In the Notre Dame level of Time Splitters 2, there are several enemy changelings chained to the wall, disguised as the maidens that you're supposed to rescue. They can be told apart from maidens by closely inspecting their faces, and by the fact that zombies attack maidens, but not changelings.
  • Titan Souls has the boss Avarice, a large mimic chest that shoots gold coins at the player.
  • ToeJam & Earl has mailboxes you can use to purchase gift items. It also has really fast, really tough "mailbox monsters" that disguise themselves as ordinary mailboxes. It's possible, but somewhat difficult, to distinguish between the two by close observation: the eyes of a disguised mailbox monster may appear briefly if you remain idle.
  • Torchlight has the archetypal Mimics, but when they die they tend to drop much better loot than the usual not-trying-to-kill-you treasure chest. They can easily be spotted thanks to the fact they appear in places chests normally don't, among other things. If in doubt, fling a ranged attack at it.
    • Mimics continue to show up into the sequel with elemental resistance and fire affinity. They also spawn where chests would spawn in map generation but they can still be told apart by the "Chest" label being taller than other chests.
  • The Touhou fangame Genso Wanderer has Nue mimic items in some dungeons. Using the item she's mimicking will cause her to appear and attack you. It's possible to identify her as an item, whereupon she'll stay in your inventory and can either be used (which causes her to appear and attack like using an item she's disguised as) or be sold to shops for a high price.
  • FATE has Mimics similar to those in Torchlight, which masquerade as large treasure chests until you get close, and are completely impervious to magic and elemental attacks. However, they can be distinguished from actual large chests as they are smaller and can have their cover blown by ranged attacks. Sometimes, Mimics show up in clusters of three or four.
  • Typoman has one section where HERO comes across a PART just sitting there. If the player doesn't pay attention to the fact that the "A", "R", and "T" float just off the ground when HERO gets too close, it will suddenly snap around and crush HERO's head, revealing itself to be a TRAP. HERO needs to find an S to put at the beginning in order to STRAP it.
  • Ultima V, although you can tell there's a Chest Monster around if the victory music doesn't play after defeating the monsters.
    • A few Ultimas had mimics, but the Ultima IX mimic actually had the body of a chest, on scaly ostrich legs. Tougher than most monsters in the same dungeons, but the rewards for beating them were usually better than what you could find in standard chests.
    • Ultima III had killer floors in Exodus' castle, which looked exactly the same as the regular floor, and so couldn't be distinguished from the background either before or after they engaged you in combat. They fortunately weren't very strong, and could easily be defeated after you'd already killed one batch of them, by standing on the treasure chest the defeated floors left. All Ultima III combat when you're standing on a treasure chest, regardless of what's meant to be under the chest, has the standard "woodland" map. Against which things that look like castle floor are somewhat conspicuous. Spoony had some fun with this, depicting Exodus' lawn as the most powerful force in the game.
    • In Ultima VI, a mimic appears in Sutek's castle. The Compendium describes mimics in more detail.
  • Undertale has Lemon Bread, an amalgamate found in the True Lab, initially disguised as a Save Point.
  • Vagrant Story puts an interesting twist on the Mimic: In this game, it's actually a giant hermit crab-like creature that uses an actual chest as its shell.
  • Vandal Hearts has Chest Monsters as well, also called mimics. In the game, a tactical RPG, chests are opened by striking them; naturally mimics are awakened in the same manner. They are indistinguishable from the normal chests until awakened. One Bonus Dungeon map takes this to the logical extreme, with a map filled with chests, only one of which is real.
  • Wario Land: Shake It! has man-eating treasure chests in one of the Big Boo's Haunt type levels, which act like the man-eating plants found earlier in the game. Strangely though, these treasure chests actually do contain the items needed in the level, and have to blasted open with a bomb to get the (real) treasure. Wario: Master of Disguise also has Chest Monsters.
  • In addition to having mimics of varying strength scattered throughout, the Wild ARMs games have a recurring Chest Monster superboss called the Black Box that you can only fight after opening every other chest in the game.
    • In Wild A Rms 3 and Wild Arms 4, the mimics were indistinguishable from regular boxes and gave you some unexpected encounters. The payoff was decent enough to make it worthwhile.
  • Wolfenstein 3D had a variation on this concept with some of the exit elevators. You may be given more than one door to choose, and if you pick the "wrong" one, then you find an elevator filled with guards, usually of the most difficult variety. Sometimes, the phony elevator may contain a secret wall that reveals rewards for your effort.
    • One level of Doom also has a false exit.
  • A feature of World of Mana games:
    • Children of Mana has exploding Chest Monsters.
    • Final Fantasy Adventure has Mimic Boxes.
    • Legend of Mana has the Polter Box, which looks like one of the game's treasure chests with spikes, eyes, and feet. They do live up to the treasure chest disguise, though, since they tend to drop rare and valuable crystals used for tempering your armor and weapons at the forge. It's also possible to get a Polter Box as a pet, and bringing him along guarantees a drop from any defeated regular opponent, thus increasing your chances of getting rare items from monsters.
    • Secret of Mana and Trials of Mana can have the randomly dropped treasure chests from monsters turn out to actually be chest-like monsters. In both games, they have extremely high attack power compared to normal monsters, but are less dangerous in the former, due to only showing up later on, and can be disabled through use of the Analyzer spell (at which point the chests become regular treasures). In the third game, they can potentially appear at any point in the game, and have a stronger variant that starts showing up later.
  • Wonder Boy and Adventure Island featured a grim reaper or eggplant monster hidden in some of the eggs, which clung onto you and drained your vitality. At least it doesn't turn you into an eggplant like in Kid Icarus. In Wonder boy the eggs containing this were spotted, while in Adventure Island there was no way of telling them of apart.
  • Yoshi's Island has both fake flowers and fake One Ups.
  • In McDonald's Treasure Land Adventure, in the Pirate Ship level, treasure chest monsters are present alongside real treasure chests filled with gold.
  • Sunless Sea: In the Zubmariner expansion, you can often find shipwrecks underwater, ones you can explore and loot. There are also Wreckships, which are pirate zubmarines purposefully made from old derelicts to resemble shipwrecks, and that will lie still at the bottom until someone comes to investigate, at which point they will float up and start shooting. They are a lot tougher than they seem, and they have strong guns on them, but they carry quite a bit of loot.
  • Fallout 4: Far Harbor has Anglers, who mimic Lure Weed plants when submerged.
  • Child of Light: "What's inside? Homicide!"
  • The Legend of Heroes: Trails of Cold Steel has them, but they're usually really easy to spot and avoid. Dark red colored with silver trims and really ornate markings on them? Chest monster. Note however that they also tend to have the best loot in the game. So avoiding them would be your loss.
  • In Etrian Odyssey V: Beyond the Myth, there's a chest in the locked area of the second stratum that, when opened, triggers a guaranteed blindside by a pair of Megavolt Marmots, which are identical to the Volt Squirrels native to the stratum but significantly more powerful. You have to trigger this chest and beat the enemies for a sidequest item, by the way.
  • Several combat-based Idle Games tend to have a mimic as an enemy, such as the Treasure Chest from Clicker Heroes or Chesterson from Tap Titans. Unlike most examples, the player knows that they're enemies, and they also tend to drop far more gold than normal monsters.
  • Salt and Sanctuary: Mimku are big squid monsters with the ability to shapeshift into anything they want. They have learned that by far the easiest way to get a good meal is to take the form of a treasure chest.
  • In Hollow Knight, a sign in Crystal Peak directs you to a Save Bench, but it turns out to be occupied by the dungeon's boss, the Crystal Guardian. There is also the Grub Mimic, which can only be differentiated from the real captured Grubs with the Dream Nail.

    Web Comics 
  • Like every other RPG trope, the webcomic Adventurers!! makes fun of this, this time by having the monster be bigger than the box it was hiding in.
  • Rusty and Co. follows the adventures of a party of iconic D&D monsters, one of whom is a Mimic whom default form is a chest. And his real name is "Boxford".
  • They fight one in Our Little Adventure. The way it acts, the color of the speech bubbles and its general appearance suggests it's a minion of The Lady of Fate and Fortune.
  • The Chest Worm in Awful Hospital, a worm that leaves its chest-like head on the surface while hiding its body underground.
  • Kill Six Billion Demons: One of the many traps in Mammon’s nigh-impenetrable vault are entire rooms filled with DND-style treasure chest mimics (though some take different forms), designed explicitly to lure in any greedy adventurers looking for treasure. They can take on many shapes and sizes, including coins. Unfortunately for them, they're kind of stupid; if you leave a room full of mimics alone, they'll eventually copy each other haphazardly until the whole room is filled with copies of one single object.
  • Crystal Heroes features a mimic disguised as a toilet.

    Web Original 
  • DSBT InsaniT: This is Kayla's main power, creating treasure chests that contain traps. She can even hide inside of them!
  • The Shortest Story: Mimics deconstructs it a bit, with evolutionary pressures moving them away from the normal treasure chests.

    Western Animation 
  • One appears in the Adventure Time episode "Dungeon", vomiting treasure when awakened.
  • One of these shows up as the Monster of the Week in the Courage the Cowardly Dog episode "Shirley the Medium". When Eustace Bagge receives a suitcase as an inheritance from his deceased brother Horst, he eagerly opens it up expecting to find money inside, only to discover that it contains a strange demonic entity with gigantic, long arms. The "Box Demon" tries to grab Eustace, Muriel, and Courage, eventually succeeding at pulling Eustace inside the box. The episode ends with Eusatace finding himself trapped in a Pocket Dimension filled with a vast sea of money, much to his greedy delight. However, he can't spend any of it.

    Real Life 
  • The old snake-in-the-can-of-nuts prank is a popular real life example.
  • In nature, this trope is known as "aggressive mimicry", the phenomenon where a predatory organism disguises itself as something harmless in order to lure its prey in.
  • The Alligator Snapping Turtle lies in wait wiggling its wormlike tongue until a fish comes along and thinks it's about to get lunch. Then it becomes lunch.
  • The golden lancehead, a pit viper unique to one island off the Brazilian coast, catches birds by lowering its tail beneath the branch it's coiled on and twitching the tip. Birds approach to investigate the "wriggling grub" and get snatched up by the snake.
  • The spider-tailed horned viper, which is native to Iran, uses an even more sophisticated lure; as its name implies, the end of its tail is shaped like a spider, and it completes the disguise by wiggling the tail back and forth so that it looks like a spider skittering around. Insectivorous birds coming to try and nab the "spider" will suddenly find themselves suddenly being attacked by a bird-eating snake (interestingly, the snake only seems to feed on migratory birds, suggesting birds native to the area have already learned to recognize the difference between it and real spiders).
  • The monkfish, a species of flat angler fish that hides in the sea floor buried in the sand. It waves a lure to attract unsuspecting fish, and when the fish gets close enough it jumps out of the sand and gobbles it down.
  • The megamouth shark has an iridescent lining and array of photophores inside its mouth, which may resemble a swarm of bio-luminescent zooplankton, attracting plankton-eating krill straight into the shark's maw.
  • There is a type of starfish that stands up on the tip of its arms, forming a kind of tent. Small fish will then see it as a convenient hiding spot from predators, sitting right below the starfish's mouth. Also, wading birds of prey such as herons will extend their wings on sunny days, creating pools of shade where they stand in the shallows. Small fish gather to rest in the wings' shadows, or to look for insects that might have fallen from the "overhanging branches".
  • There's cases where an octopus is found inside a clam instead of, well, clam flesh. Apparently it doesn't like being found out.
  • Some types of wine involve pickling a live viper in a bottle for months. Usually the snake dies but sometimes, it doesn't. There are even instances of snakes coming back to life and biting people who try to open the bottle.


Video Example(s):


Luigi's Mansion 3 Chest

Luigi has to drive out the Spirit Balls possessing a chest, then suck them up and reap the sweet rewards.

How well does it match the trope?

5 (4 votes)

Example of:

Main / ChestMonster

Media sources:

Main / ChestMonster