"We'll either be real strong, or real sick."An item which harms the player who picks it up or uses it instead of helping them. Differs from Power Up Letdown in that the harm it causes is direct and intentional, rather than from a design flaw. So, if it's harmful, why would anyone pick it up or use it? Players don't mean to, but poison mushrooms have four main ways of getting around that:
— Pac-Man and Mrs. Pac-Man before trying the super power pellets, Pac-Man: The Animated Series
- In games where immediately useful items randomly drop from killed enemies or other things, having them sometimes be poison mushrooms serves to punish players for blindly chasing down items as soon as they appear.
- Sometimes they just wait in strategic locations for hapless players to stumble into them, in which case they serve as an obstacle to be avoided. Which raises questions: why would your character go out of their way to pick up something harmful? Or are we to understand that they literally absorb all in-game powerups via skin contact?
- Other times, they try to look similar to a beneficial item to trick a player into taking it. Beneficial and harmful items may differ only in color, which hurts players with poor color vision or a monochrome display.
- It could also be an item that has random effects, some of which are negative.
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- The arcade game Magic Sword has plenty of powerups lying around, from stronger weapons, to gaining an infinite projectile attack for some time, to invincibility. And then there is a pair of scissors: pick it up, and your companion is instantly killed.
- Several games in the series have, alongside the usual food items used to restore health, several rotten food items like "Rotten Meat" and "Spoiled Milk". In Castlevania: Dawn of Sorrow, equipping a Ghoul soul allows Soma to eat them safely. After which, against logic, they will heal disproportionately large amounts of heath — apparently, to a ghoul, spoiled milk is more nutritious than an entire turkey is to a human.
- The Flesh Golem soul has the same effect in the previous game, Castlevania: Aria of Sorrow. It's a kind of inversion of Revive Kills Zombie.
- Castlevania: Symphony of the Night has a literal example in the Toadstool, an edible item that inflicts poison status on you. Clever players might think to equip the headgear that converts poison damage to health and then try eating it, only to find that the Toadstool heals a whopping 1 HP.
- Vampire Killer for the MSX has red books that increase prices in the level's Dungeon Shops, the opposite effect of the white books.
- The Legend of Zelda:
- The Legend of Zelda: Phantom Hourglass features "Rupoors", which somehow reduce the number of Rupees Link is currently carrying when found. A minor key version of the series' trademark Item Get! fanfare plays when a Rupoor was found, complete with Link holding the item above his head but looking none too pleased about it. One area in the game consists of a maze with Rupoors for walls, requiring Link to walk carefully to avoid them. And to make it more difficult, Keese are flying around the area — and half of your projectile weapons pick up Rupoors.
- Rupoors also appear in The Legend of Zelda: Four Swords under the name Black Rupees, though rather than directly taking away your Rupees, they make you drop them (allowing other players to steal them). This is actually helpful during Rupee Fever, which doubles the value of all Rupees when all Links are at full health.
- Rupoors also appear in The Legend of Zelda: Skyward Sword in the digging minigame. The look on Link's face (seen in the page image) when you pick one up is priceless.
- In some of the later dungeons in The Legend of Zelda: Ocarina of Time, there are treasure chests that, upon Link opening them, will either freeze him like a Freezard does with an ice wind or make a Floormaster fall from the ceiling towards him.
- The Legend of Zelda: Twilight Princess has Purple Chus, which leave behind Purple Chu Jelly when killed. Other types of Chu Jelly are very useful, either restoring a good amount of health or as a Lantern Oil substitute, so Purple Jelly should have a good effect too, right? Wrong, they have a random effect: while they can heal a random amount of Hearts, they can also hurt you, even taking you down to one Heart. The Nasty Soup, which can be gotten where you get the Lantern, has the same effect. The main purposes of Purple Chus are to make you fight a Chu without getting anything good out of it, or to have them in the same area as useful Chus, forcing you to kill the useful ones and grab their jelly before the purple ones absorb them and take away their useful qualities. In The Legend of Zelda: Ocarina of Time and The Legend of Zelda: Majora's Mask, Poes have the same effect when consumed.
- In Cave Story, equipping the Nemesis weapon essentially turns experience crystals into this. At level 1, the Nemesis is a powerful weapon. Collecting 1 EXP will level it "up" to level 2: a weaker Nemesis with shorter range and less damage. Collecting 1 more EXP will bring it to level 3: rubber ducks with short range that do 1 HP of damage.
- The Superman game for the NES has this in the form of green and red Kryptonite, which sap your energy instead of giving it like the blue power crystals.
- Luigi's Mansion's minibosses toss one of these when they hit low HP. Since they bounce randomly and cut off your vacuum (touching them shrinks Luigi to about a third of his size and immediately disable the ability to use the vacuum, meaning you WILL lose your grip; plus you lose change and can't open doors), they can prevent good runs if you're unlucky. In addition, these may pop up out of Heart places when you vacuum them instead of actual hearts.
- The Uncanny X-Men has magnets which, if picked up, paralyze you for a ridiculous amount of time. How long you stay frozen is anyone's guess; you will die before it wears off.
- The blue X parasites in Metroid: Fusion start off as this. Because blue X are affiliated with the cold, Samus cannot absorb them due to her Metroid DNA and she'll suffer massive damage if she absorbs them. This also crosses with It Can Think since the blue X will gladly kamikaze into Samus to exploit her weakness. Once Samus regains the Varia Suit, the trope becomes inverted by making the blue X safe to absorb due to the Varia Suit regulating body temperature. After you absorb the first few blue X, the rest will flee in terror, now knowing Samus can absorb them harmlessly.
- An old The Addams Family game, Fester's Quest for the NES, has red power downs for your gun and whip, as well as the blue powerups.
- The Bomberman series has the Skull item, which, when picked up, will temporarily give the player a randomly chosen negative effect, such as inability to drop bombs, the inability to NOT drop bombs, slow motion, invisibility (worse than you might think), and a few others. There is a small silver lining, however; you can share or transfer (depending on the game) the effects of the Skull item with another player by touching him or her.
- Bomberman 64 and Bomberman 64: The Second Attack!! have "Bomb-Down," "Sandal," and "Fire-Down" items, which lower the amount of bombs you can place, your speed, and the blast radius of your bombs respectively. These also occur throughout the multiplayer modes of most Bomberman games. Bomberman 64 also features an "Evil" item, which activates a stage-wide effect potentially affecting all players. Some effects include a tornado, maxing out everyone's bomb count and explosion size, shuffling the positions of all players, and an "evil disco light" that saturates the screen with bright colours, making it hard to see the action. They become useful in one specific section of The Second Attack! which requires the player to cross the reactor core of a spaceship. Reducing the Blast Radius to zero is the only way to safely cross the otherwise lethal reactor fluid. At zero radius, ice bombs won't blowback on the player if they're careful.
- The ZX Spectrum/Commodore 64 game Bounder has powerup tiles. Unless you have prior knowledge, a given powerup tile can't be told apart from a trap tile. Worse, the game is an auto scroller, where these powerup tiles appear in the path of where you need to land on each bounce.
- If you pick up one of these in Ferazel's Wand, it's pretty much your own fault, given that they're black with a skull. They're an instant kill, and are typically buried in soft ground (visibly) as an obstacle to digging.
- In the ancient Atari 2600 game Fast Food, among the delicacies flying at increasingly high speeds towards your disembodied mouth avatar are green pickles and purple pickles. Green pickles are the most valuable food to devour. Purple pickles make you lose a life.
- In Feeding Frenzy, some of the smallest fish are radioactive and glow yellowish green. In the first game, eating one causes the player's controls to stop responding for a brief period, leaving his fish immobile and an easy target for a larger fish. In Feeding Frenzy 2, it's even more disconcerting, since eating one causes the player's controls to operate in reverse.
- In Low G Man, enemies occasionally drop red potions when killed, which takes away half a bar of health if you collect one by accident. A boss in the later part of the game tosses an endless supply of red potions as its main method of attack, which are much more dangerous than conventional bullets since they don't inflict Mercy Invincibility, and trying to attack said boss from within its lair is ill-advised at best, and suicidal at worst.
- In Power Pete, the Fairy Tale Trail levels have apples in both the normal and poison variety. It is hard to tell them apart, but a good way to do so is if Power Pete is equipped with the shield. If he doesn't take the apple when he runs over it, the apple is poisoned.
- The Tower of Druaga has the Potion of Energy Drain and the Potion of Death, the latter of which makes the timer run out faster. Also, not picking up the Balance on any of the five floors that have one will turn the item on the next floor into an "Evil" item.
- Zombies Ate My Neighbors has the Mystery Potion give random effects. Most of its effects are beneficial (mimicking those of Speed Shoes, Red and Blue Potions, or First-Aid Kits), but they can also damage you when you drink them. The worst effect, however, is Mr. Hyde, which turns the player briefly into an uncontrollable monster who kills any victims he touches.
- In Gobliiins, many items Dwayne can pick up will harm him and make him lose some of the energy bar. Sometimes, he will deliberately strike himself with the object.
- In Ravenskull, you can't tell the effects of a scroll or potion without trying it out. Some that you can get are a Lightning Strike Scroll that kills you, a Thief Potion that, as its name suggests, empties your inventory of any items you currently hold (including the potion itself!) and an Energy Drain scroll that reduces your health every square you move instead of every ten. For Hundred Per Cent Completion, you have to use all of these.
- Space Quest IV: Roger Wilco and the Time Rippers comes from a long series where nearly every item you found has a plot-important use. Yet in this game, early on, you can find a piece of Unstable Ordinance. If you keep it in your inventory while moving to the next zone, you explode and die. Your only option is to put it back where you got it from... for which you receive praise and points for doing something smart.
- In the Super Nintendo version of Dragon's Lair, you can pick up a Shuriken. Basically, when you throw it, it arcs upward and comes back around to hit anyone it didn't already... Including you. That's right: A weapon that can kill you when you use it. Considering you could easily be on a moving platform with enemies flying around you, and you can only strike downwards, it's pretty much the worst weapon you could have in a game like this.
- Indiana Jones and His Desktop Adventures: Sometimes, you'll be given tequila at the bar. Drink it, and you lose health.
- In Top Cat in Beverly Hills Cats, fresh fruit gives you health and rotten fruit takes it away.
Beat Em Up
- Tiger Road has you regain health from gourds. Some gourds cost you health instead of restoring it; these can be identified by one feature — they're upside-down.
- Mario Kart:
- Fake Item Boxes in Mario Kart 64 through Mario Kart Wii do about the same thing as Poison Mushrooms, whereas the normal item boxes are rainbow-colored or bluish and have a "?" while a fake one will be red and have a "¿". Both blocks look exactly the same from a distance (the fake one changing when you get closer), but most players can avoid them by memorizing where real items boxes should appear. The Trope Namer itself appears in the SNES original. The boxes can also be detected, at least in the DS version, by checking the game map. The fake ones appear different than the regular ones.
- Mario Kart Wii and the Arcade GP series play with this via the Thunder Cloud. When you get it, it automatically gets used. While it's active, your speed increases, and you can drive offroad with no penalty to speed. However, it eventually strikes you with lightning, shrinking you like a regular lightning bolt... unless you ram your kart into someone else's, forcing them to deal with it.
- Crash Team Racing has green and red potions which serve the same purpose as the fake item boxes in Mario Kart, allowing players to create their own poison mushrooms by planting the potions behind or inside item crates which will respawn and completely hide the trap within. This can be done with TNT and Nitro crates too, but it requires near perfect angle and timing otherwise the trap is somewhat visible.
- Pinball Mode causes you to bounce off objects at increased speed, causing thousands of damage in the first game and probably wrecking you instantly in the sequel. The best thing you can do is sit motionlessly and hoping nobody hits you. There is also Bouncy Bouncy (your car jumps every few seconds), Jelly Suspension (your car wobbles and tips over), Jupiter Gravity (good luck getting uphill), and the second game has a ball and chain that attaches to your car and Ethereal Pedestrians (can't run over them, so you can't get extra time on your clock for 30 seconds - oops). There's also The Drugs, Miniature Pedestrians, Turbo Opponents, basic exploding powerups, Hot Rod (speed boost combined with 'wheelie' suspension, great for blasting into a wall at 600 kph), Greased Tires and the various powerups that crumple up your car or make it break in two.
- The second game lets you buy any car you wrecked in a race. This is a good thing unless you end up buying a bad car, wasting all of your money and being worse off. Hint: almost everything you can buy in the early game is worse than your starting car. This becomes a problem near the end, where you need something very heavy to kill your opponents (who at that point are driving enormous logging trucks and buses with rocket engines) but almost all of the heavy vehicles are either insanely slow, have terrible handling, get stuck under or between scenery all the time or all of the above. Then there are the racing missions which have the opposite problem: you need to figure out which cars have high speed and good handling.
- Super Smash Bros.:
- Super Mushrooms make your character grow, while Poison Mushrooms make you shrink. The latter can be identified from the former by a slightly darker color and a slightly meaner expression, with the outer corners of the Poison Mushroom's eyes turned upward rather than downward. However, this difference may not be obvious when the camera is zoomed out enough.
- The Hammer present in all games and the Golden Hammer in Brawl and SSB4 both have a chance of being defective and completely harmless, which is a bit problematic when you can't voluntarily get rid of them. It's especially bad in the case of the former, as the head of the hammer falls off, after which it can be used as an extremely powerful throwing weapon, with the most likely target being the defenseless wielder of the broken hammer (now a useless stick). The Golden Hammer doesn't have such complications, but you can probably buy one in real life: The Golden Squeaky Hammer.
- The Lightning Bolt item in Brawl shrinks opponents to make them easier to knock out. Then it has the ability to shrink you and not the others. Or it may make them all grow giant instead, leaving you in the midst of massive enemies.
- The Stopwatch in Brawl lets your opponents move slowly so you can hit them easier. But there's a chance that all players can be slowed...or just you be slowed.
- Dissidia: Final Fantasy has Summon Stones you can equip on your fighters which have various effects when activated. However, a couple of the more nostalgic characters have questionable effects.
- The Chocobo runs across the screen, randomly jumbling each digit in both your own and your enemy's brave meter, which often results in both players getting either a massive boost or a royal screw-over.
- The Moogle summon will randomly select an ability from any other summon in the game, which, coupled with poor timing, can result in the player getting hosed by a usually-beneficial effect (like Alexander's bravery-freeze when your brave is at or near 0).
- When Gilgamesh is called, he will either use Excalibur to triple your bravery, or Excalipoor to reduce your brave to 1. "I feel so betrayed..."
First Person Shooter
- Deus Ex lets you smoke and drink booze. Smoking whittles away at your health, while the booze blurs your screen and sways your view for a time (though it can also heal you). While nothing forces the player to try either booze or cigarettes, the assumption that these droppable items must have some actual use may draw naive souls in. The Cigarettes can actually kill JC if he chain-smokes a truely heroic quantity of them; on the order of chain-smoking ten whole packs at once (because each time you smoke, you consume an entire pack, and each pack deals you 10 health damage to the torso). Booze is carried over into the prequel, Deus Ex: Human Revolution.
- System Shock 2 features various alcoholic beverages and cigarettes aboard the ships. The booze mildly heals you at the cost of some of your psychic power points, and cigarettes simply take a point off of your HP.
- In BioShock, you can eat and drink all sorts of food items lying around. Drinking alcohol restores HP at the cost of EVE, and if you drink too much, you get drunk and the screen blurs for a little while. Smoking does the inverse, taking off some health to restore EVE. Admittedly not the same type of poison mushroom as elsewhere, but given that you may need some EVE, players may intentionally harm themselves on one or the other to get a quick boost.
- BioShock Infinite has rotten food, which uses the same icon as its respective healing item and damages you if you eat it. Best check for mold before you eat things out of a trashcan.
- Rise of the Triad:
- The game has the Shrooms Mode powerdown and the annoying (and depending on where it's located, potentially deadly) Elasto Mode powerup. Shrooms Mode makes shooting straight virtually impossible (and will probably make you feel a bit sick). Elasto Mode makes you bounce off solid objects and drastically reduces your friction with the ground. Given all the hazards in the game, you don't want to wind up picking up an Elasto Mode powerup in a large number of the areas in the game.
- One of the secret levels only reachable via warp cheats includes large rooms full of the Shrooms powerdown, floors filled with bounce pads and little else. It is aptly named the Vomitorium.
- Pathways into Darkness has the poisonous Brown Potion that causes you to lose health until you consume a rare blue potion, an Alien Artifact that you need to open the exit also drains your health unless you put it in the Lead Box, and a red cape that essentially gives you a reverse bullet time effect. The kicker? Using all of these items is required to complete the game.
- Serious Sam games, similar to Quake, commonly have health and armor in concentrations of several 1HP/AP pickups. However, lone health tablets or armor shards, be it out in the open or hidden in a corner or under stairs, almost always spell quick doom via spawning enemies, commonly in the form of much-dreaded Kleer skeletons ambushing you from behind the next corner or just from behind. As enemies in the Serious Sam games don't reward anything but corpses and score, players not going for a high score will quickly learn to leave these pickups alone.
- Rise of the Wool Ball: In addition to the ordinary pink-hatted mushrooms which allow you to jump up to higher places, there are completely pink mushrooms found indoors, which launch you upwards all right... right into the ceiling, taking away a big chunk of your health.
- The series (and many subsequent generations of turn-based strategy game) feature the so-called "Goody Huts" — old dwellings unaffiliated with any faction that, when explored, may turn out to contain scrolls of ancient knowledge, secret treasures, nomads or tribespeople who are sick of living in the ruins... or a barbarian hideout that is none too thrilled with your intrusion. (Civ V replaces these with ancient ruins, which don't carry the risk of barbarian attack; instead, one possible bonus from exploring them is revealing the locations of several nearby barbarian camps.)
- In the Civ V expansion Brave New World, Indonesia's unique unit is the Kris Swordsman, which gets a unique promotion at random after its first battle. While most of these promotions are very powerful, two of them, Enemy Blade and Evil Spirits, seriously diminish the unit's fighting power; the former causes it to take 20 damage if it ends the turn in enemy territory, while the latter gives it a 10% combat penalty when attacking and a 30% combat penalty when defending. The Ambition promotion is a double-edged sword, giving the unit a 50% combat bonus when attacking but a 20% combat penalty when defending.
- Sid Meier’s Alpha Centauri contains terrain features that are supposedly escape pods from the crashed starship. Could have personnel, could have recoverable tech data, could have a map of local metal deposits, could have helminthoid parasitic mindworms that attack your troops and psychically prey upon their minds before ripping apart their AAAAAAA GET IT OFF MEEEE...
Hack And Slash
- The games have poison and Death hiding in treasure chests identical to food and potion chests. It's impossible to tell which is which without opening them. Gauntlet II has poisoned cider and poisoned blue potions. Shooting either of them causes enemies to slow down. There's also "IT", which chases down a player and bonds to him or her, causing enemies to follow them. The IT effect persists throughout the level and can only be mitigated by tagging another player ("Tag, you're IT!"), which simply passes the effect to that player.
- The upgraded Gauntlet: Legends and its sequel, Gauntlet: Dark Legacy, avert this somewhat with the X-Ray Glasses power-up, which allow you to see what the chest contains; even without the Glasses, observant players will quickly notice that if a chest is shaking and jumping, it very likely contains Death. In any case, each chest location holds the same type of power-up every time, allowing the wise player to avoid opening harmful or useless chests on replay.
- Gauntlet: Dark Legacy has green apples (poison fruit that cost a player 50 health) and green drumsticks (poison meat costing 100 health). You can tell if food is poisoned if it's green, has two bones sticking out of it in an "X" and has a bite out of it. Good food (red apples and brown drumsticks) can become poisoned if it gets hit with what comes out of a green barrel (poison gas).
- Lady Bug has skulls scattered around the maze with the dots and other pickups. Running into a skull causes the player to lose a life, but skulls are just as deadly to the enemies. There are more skulls on later levels than earlier ones.
- In Oil's Well, landmines float across the screen just like all the powerups, but, unlike everything else in the game, are lethal to your drill bit.
- In Girl's Garden, picking up dead black flowers will kill half of the blossoms in Papri's bouquet. Also, the bee can drop a deadly skull.
- Kingdom of Loathing:
- The game has a series of potions that are a clear reference to these sorts of items. Their effects are mapped to specific potions differently for each person and each ascension, so they're risky until you've got them mapped out - especially if you hit the one that increases drunkenness while you're one point away from your limit (which makes you unable to continue adventuring) and have more than the rollover cap worth of adventures left.
- "Goofballs". It enhances your skills for a 10 turns, after which it penalizes your character by weakening him for the next 30 turns ("goofball withdrawal"). How do you cut the penalty short? Take more goofballs. And the price of the goofballs? First one's free. Subsequent ones ramp up in price by 1000 meat each time. And subsequent consumption also causes lost of stat to boot. The moral? Drugs Are Bad.
- Food and booze of particularly low quality may reduce your stats upon consumption. Some may also harm you, and a few will actually poison you.
- Drugs in Achaea include cactus weed, gleam, alcohol and tobacco. Effects range from slurred speech and nausea to crippling withdrawal symptoms, distracting or disturbing hallucinations, and death from overdose.
- World of Warcraft:
- The game has the Crystal of Zin-Malor that some players have actually found a use for (despite the fact it constantly damages you if you have it equipped) as opposed to turning it in for a quest.
- The alcoholic items actually get you drunk. Your screen becomes blurry, you sway to one side, and you see enemies as lower level than they actually are, simulating the lack of fear that drunk people often have in dangerous situations.
- The laboratory maps in City of Heroes and City of Villains sometimes feature lab equipment, that when destroyed, will bestow a random temporary status change on you. It can be a good one (increased regeneration, recovery, recharge rate, damage) or a bad one (decreased regeneration, recovery, recharge rate, damage, or just damages you outright). As the duration is several minutes and the bad ones can be debilitating, many players don't take the risk and just leave them alone.
- In the early days, there was the classic scam of taking a Karambwan octopus (the ONLY fish in the game you can cook half-way), and having you cook it. You might think that it is completely cooked, but it isn't (it's cooked half-way, remember?). Eating it would damage you for 30-50 Hit Points, maximum 99, and poison you to the tune of 13 Hit Points every ten seconds. Needless to say, you would be screwed if you ate it, especially if you were in the middle of nowhere and didn't have an antipoison. Fortunately, the damage was dramatically reduced after an update, and it no longer poisons you, and you get a warning when you try to eat it.
- The Invention skill revolves around augmenting weaponry and armour and giving it special, randomly determined perks. While many are beneficial, some of them are harmful, with effects such as dramatically lowered damage against certain creatures or the inability to use protection prayers, among others.
- Final Fantasy XI has several variations of poison potions and similar items. Using them afflicts you with a status debuff. More useful than you might think actually, because having a status effect already overrides you acquiring another of the same type, even if it is stronger. Even better, most types of Sleep are completely useless when you are Poisoned, because the DOT you have will immediately wake you up and help save you from a potentially more lethal attack.
- The Assassin Cross class in Ragnarok Online can, with a certain skill, mix bottles of Deadly Poison, drinking which will poison but also buff them, but a character of any other class will die on the spot when drinking this.
- Dragon Nest has rotten versions of food items that have a differently colored aura and a grey tint when compared to their originals. The penalty for each is at least a hefty 30% of a character's full HP or MP (sometimes both) or a nasty debuff and it's hard to spot them in the inevitable carpet of loot unless the player turns item labels on.
- Angel's Tears in Nexus Clash are fantastically useful for curing characters who have been poisoned or cursed by demonic magic...unless the character in question is a demon, in which case it horrifically burns them from the inside out instead.
- The Mario Party series has Black Stars (called Ztars in Mario Party 5) in some of the earlier games, which reduce your number of stars. Bowser loves giving these out. Extra points if you actually paid for them.
- Super Mario Bros.:
- The Trope Namer here is the Poison Mushroom, a subtle Palette Swap of the iconic Super Mushroom. They first appeared in the Japanese Super Mario Bros. 2 (known in the United States and Europe as The Lost Levels), where picking one up was the same as touching an enemy. The SNES release of The Lost Levels made the Poison Mushrooms a completely and totally unmistakable solid purple with a skull on the cap of the mushroom and gave them angry eyes. If you still picked one of these up, you deserved it. Subsequent remake on the Game Boy Color, Super Mario Bros. Deluxe, retained the skull cap.
- The Lost Levels also has backwards warp zones. Not only does it take back Mario or Luigi to a previous world, but it also neglects permanently the access to World 9 (since no warp zones are allowed for use at all if that world is to be unlocked).
- In the international Super Mario Bros. 2, some grass patches contain Bob-Ombs with a short fuse. These items are completely useless and serve no other purpose than to be a booby trap, damaging the character if they don't throw them away on time.
- In many Super Mario World ROM Hacks a level gimmick might be the green orbs that complete the level scattered about. However they will be placed in areas where touching them will result in Mario falling off the screen. You either have to avoid them or use a item (P-switch) to block a gap to complete these levels.
- In Super Mario 3D Land, the Poison Mushroom returns in later levels, but to make up for it being an easily-identifiable purple, it will home in on Mario, making you have to actively avoid picking it up if you free it from its ? box.
- In Super Mario Maker, you can deliberately do this by sticking any enemy inside of an "?" block, and emerge out of the block when players hit it. They even make the sound effect of an item popping out when they do.
- Some of the earlier Sonic the Hedgehog games have the "Eggman Monitor" (Robotnik) item, which acts like taking an attack from an enemy if its monitor is opened.
- Their first appearance was in the 2-Player mode in Sonic the Hedgehog 2. Particularly evil given that the monitors in 2-Player mode don't display an icon representing what's in them until you open themnote , and that the number of items collected is included in each player's score. The only ways to know you're safe from them is to memorize where and what every item is, or turn on the "Teleport Only" option (so all monitors make Sonic and Tails switch places). Also, in Casino Night Zone, if you get three Eggmen/Robotnik on a slot machine, you lose
all your100 rings.
- Sonic 3 & Knuckles has the these first appear in Act 2 of the Hydrocity Zone, but they are easily missed. Later they appear in the Ice Cap zone, where they used the "obstacle" approach (and are frozen in a layer of breakable ice, building in a slight margin for safety).
- Hacking also reveals that Eggman Monitors existed in the coding for the first Sonic the Hedgehog. They aren't programmed to actually do anything if you hack one in and break it, but one can assume that they would have if they were actually implemented.
- Their first appearance was in the 2-Player mode in Sonic the Hedgehog 2. Particularly evil given that the monitors in 2-Player mode don't display an icon representing what's in them until you open themnote , and that the number of items collected is included in each player's score. The only ways to know you're safe from them is to memorize where and what every item is, or turn on the "Teleport Only" option (so all monitors make Sonic and Tails switch places). Also, in Casino Night Zone, if you get three Eggmen/Robotnik on a slot machine, you lose
- Toe Jam And Earl has these in two ways. First is the food that you can pick up to recover energy. Good food includes bacon & eggs, cake, and fudge sundaes. Among this good food is bad food, like moldy cheese and fish bones (and a few which look innocuous at first, like the lettuce, which turns out to be old). These cause you to LOSE energy. The game is also scattered with gift-wrapped presents — their contents are at first a mystery, but opening a present (or consulting a wise-man in a carrot suit) will identify all presents which have the same wrapping paper. The presents are mostly good, like weapons, "vehicles", food and money. Others are not so nice — instant death, bad food, a sleep spell, or the infamous Randomizer, which makes you start the identification process all over again.
- Prince of Persia:
- The poison potions in Prince of Persia and Prince of Persia 2 look almost exactly like the regular potions (they have blue bubbles instead of red — a detail that can be difficult to make out in the console versions if you have a small TV, and easy to miss in general) but hurt you instead of restoring or increasing health.
- Both of the original games also have a green potion that flip the screen and reverse your controls. To reverse the effect, you have to find the other potion of the same kind.
- The Super Nintendo version of the first game, in one of the all-new levels, has a room with two large potions: the typical life-upgrade potion, and a potion that instantly kills you.
- The "Fat Head" power up from Dynamite Headdy. It's occasionally mixed in with other powers in a power-up box, and if you accidentally pick it up, Headdy gets stuck with an over-sized head that forces him to move slowly and prevents him from jumping for several seconds. Fortunately, you seldom encounter it in a location swarming with enemies, but on the other hand, it occurs in multiple boss battles.
- Earthworm Jim 2 has a weapon known as the Bubble Gun, which is Exactly What It Says on the Tin: It shoots out soap bubbles. Obviously, it's not even remotely useful in trying to defeat enemies. What raises this above a mere Power-Up Letdown is that (at least in the Genesis version) there is no way to switch weapons, so you're stuck with the last weapon you pick up until it runs out of ammo. This is a minor annoyance in the first level, where you can just stop and use it up, but a death sentence in the last level, a foot race against Psy-Crow, where you need a useful weapon to clear away obstacles so you can beat him to the checkpoints, and using up the ammo wastes valuable time you don't have. Failing to do so results in him closing the gate behind him and triggering an inescapable Death Trap (if you're lucky - if you aren't, a glitch will prevent the Death Trap from firing, leaving you to sit in the now-sealed room until you give up and reset the system). And even in the versions where you can switch weapons, you'll usually get the bubble gun at the worst possible moment.
- Rastan also has poisoned potions, which are red fluid in triangular bottles, as opposed to the safe blue potions in round bottles. While it reduces your vitality by as much as 15%, a red potion also is worth 10,000 points.
- Crystal Caves has deadly green poison mushrooms appear in a number of levels. Pick one up, and it's a level restart, regardless of how much health you have left. Unfortunately, they're not the only mushrooms in the game which can be picked up (red ones are an actual powerup, and blue ones are worth a lot of points). Also, since it's a simple Platform Game, by "picking up" we mean "touching" or even "brushing against ever so slightly".
- Late in Stinkoman 20X6, you find poison capsules. These deal 1 damage to you and look like a sickly green Palette Swap of the power crunch capsules that restore full health.
- In Syobon Action, you will die if you touch anything that looks like a Super Mario Bros. powerup (not only the Poison Mushroom). On the one hand, this means you should take care not to hit certain blocks (and yes, some of them are Invisible Blocks) from underneath, because you'll need to jump on them when they don't have a lethal item sitting on them. On the other hand, some of the game's puzzles are solved by feeding these items to enemies.
- Legacy of the Wizard has a poison item that is quite obvious, what with having a skull on it and everything. It drains some of your life - not that big a deal unless you're badly damaged. The problem is that they're commonly dropped by enemies and can be difficult or impossible to avoid in narrow corridors, forcing you to wait for them to disappear. Graciously, you can walk past them, since the enemies have to plummet offscreen Mario-style before their spoils appear.
- The "Sleep" ability is absolutely useless; it puts Kirby to sleep, for approximately 5-10 seconds, leaving you vulnerable to any sort of enemy attacks. Kirby Super Star uses the ability as part of a challenge during "The Great Cave Offensive": one room has a number of Sleep powerup spots, a wind blowing towards the entrance, and a treasure at the far end. The trick is to get to the treasure without hitting a Sleep powerup, which will cause Kirby to fall asleep and be blown back to the entrance.
- The True Arena in Kirby Super Star Ultra always has a pedestal with the Sleep powerup and a pedestal with an actually useful ability, which combined with the 5 tomatoes that barely heal you instead of your precious Maxim Tomatoes just goes to show how Nintendo Hard The True Arena is.
- Kirby: Squeak Squad attempts to give Sleep a modicum of use: once you get the Copy Scroll for the ability, it will restore a small amount of health while you're asleep. Of course, you can just stock up food items in the touch-screen based inventory instead...
- There is also Kirby Air Ride, where hitting someone will put him to sleep too. But you still need a very good luck to hit someone when you can't turn...
- Air Ride's City trial mode has gray power up items, which reduce the stat they are for instead of raise it. There's also an event that makes some power up items turn fake. These have a subtly changed sprite and cause a small amount of damage if you grab one.
- Yoshi's Story has the peppers, which are similar in size to the fruit your Yoshis need to eat in order to complete the game, and sometimes found in the same bubbles that fruit is often found in. Eating it damages any but the hidden Black and White Yoshis, and even the Black and White Yoshis don't count it as actual fruit (they're just immune to the damage, and it heals them a little.)
- Eggplants from Wonder Boy and Adventure Island. Like all power-ups, they're hidden inside eggs, so you won't know you're about to open one up until after the ominous-sounding music plays. When you do, your health meter drains three times as fast, leading to a very quick death if you don't eat up quickly. In WB, the bad eggs are spotted, while in AI, there is no distinction.
- In Super Marisa Land's unlockable "Alice Mode", all of the mushrooms that previously served as power-ups now serve as Poison Mushrooms. All of them. You have to complete the entire game without powering up. At least you have the dolls to throw...
- New Super Marisa Land:
- The game has the blue mushroom, which turns Marisa into a Yukkuri. In this form, she can very easily spin out of control, and whatever form she was in before is lost. Similarly, there's the UFO Suit, which is slow and reverts back to small Marisa after a short time. While these powerups have their uses, they more often than not exist to make life difficult for the player.
- The World 7 boss, Nue Houjuu, throws powerups at the player. The only problem is, you fight her in mid-air in UFO form, and all other forms will make Marisa plummet to her death. It is entirely possible to catch a Super Mushroom and fall into the boss, killing her in one hit. Good luck actually pulling it off, though...
- In Alex Kidd in Miracle World, some blocks contain a Grim Reaper that homes in on and kills you. Ignoring the "?" he spawns in will often shift him to another one later in the level. The one he shifts to if ignored normally contains a powerup or even an extra life, so it's in your best interests to "risk" him at the first opportunity and try to escape or glitch him out of existence.
- Low G Man has red potion bottles that drain one block of health instead of restoring one block as the blue potions do. In fact, the main attack of one of the stage bosses is to throw these bottles at you.
- The Quest Of Ki, like The Tower of Druaga, has one type of item found in chests that will make the level timer run out faster.
- In Athena, among the items that can randomly drop are flasks of poison which running into causes Athena's hit points to start draining. This can be countered either before or after by picking up an antidote flask. The harp item, that will let Athena keep her items after dying, has an evil version that instantly takes all of them away. In the NES version, the hourglass item that affects the timer also has a broken version that will reduce rather than increase it.
- Kick Master has a "poison" item that decreases your Life Meter. It's utterly obvious and avoidable unless you're not looking closely at what enemies drop.
- In Ninja Jajamaru-kun, breaking open the brick sections of platforms sometimes reveals useful powerups and sometimes bombs that kill you if you jump into them but go away after a few seconds. The sequel Jajamaru no Daibouken also has bombs in blocks, though these don't disappear on their own.
- Rockman 4 Minus Infinity: The Skull Amulet (obtained by finishing off Skull Man with the Recycle Inhaler) originally cursed Hell Wheel (Skull Man's weapon), making it incredibly slow and turning it into an outright Joke Weapon. This was changed in the v0.01 release.
- Werewolf: The Last Warrior has a blue "W" which will cause you to be Brought Down to Normal if you're a werewolf (the red "W" powerup effects the inverse transformation) or cause you damage if you're a human.
- In Fantasy World Dizzy, it is possible to pick up a "large round hole". It's not useful; as soon as you pick it up and store it in your bag, everything falls out through it. (Including the hole.)
- In Whizz, enemies drop either red mushrooms that replenish the player's health or blue mushrooms that deplete it. What is insidious about this is that the red mushrooms will turn into blue ones if left alone. There is also a poison item that drains your health rapidly until you get to a first aid box; the final level actually forces poison on you.
- In The Killing Game Show, eliminating a group of enemies can spawn either a heart that restores some energy or a skull that takes some away. These hearts and skulls float away in the same manner.
- Ironsword: Wizards and Warriors II contains roast chickens that restore your health and swollen, bulging chickens that reduce it.
- Ghosts And Goblins is in love with this (not counting the flame that's just a Power-Up Letdown):
- The axe that appears as a guaranteed drop in Stage Five, and while marginally useful throughout (though not better than the knife), the Stage Five boss is immune to it, meaning if you pick it up not only are you guaranteed to die but you also need to spend a lot of time grinding ghosts for a replacement knife.
- Every weapon drop once you've obtained the shield (cross) weapon, as if you beat the level without it you'll be forced to restart the level rather than progress.
- Clarence's Big Chance: The hamburger. It will give Clarence "breath like an ogre" and make him look fat, which will cost you a lot of points at the date section.
- The Pac-Man-like game Zoom! has a question mark powerup, which can either give you points, skip you to the next level, or kill you outright.
- The fairly unimportant '96 Breakout clone named Twinblok has a powerup that temporarily transforms all balls on the field into tennis balls. They turn completely harmless to blocks and the sudden change in their behavior is often lethal, since you're still obligated to keep at least one in play.
- Another Breakout clone called MacBrickout has blocks randomly drop capsules. The majority of the capsules do useful things, such as increase the size of the paddle, allow the ball to stick to the paddle, or giving the player extra balls to juggle. A few, however, have negative effects, such as shrinking the paddle; the worst is the red "X" capsule which makes the paddle useless. And getting too many "paddle expand" capsules will actually cause half of the paddle to break off, so if you're close to the breaking point, even they prove to be Poison Mushrooms.
- This is common in Breakout-style games that use powerups. One variation, Alpha Bounce, includes the "P" items that do something different depending on which paddle you're using.
- Breakline takes this to the level of a new artform. There are four types of ball, and passing over "+" and "-" squares will transform a ball into the next stronger or weaker type. Hollow spheres, the weakest type, can't damage blocks at all. Their main gameplay function is that certain blocks will emit hollow spheres, which you can control in addition to your main ball, aiming to guide them into collectors to receive in-game currency. Of course, if your main ball is "-"ed and then goes into a collector....
- BeeBop II has a block that takes away your missiles, but has to be hit anyway along with all the other blocks.
- While summoning Eyes in Bricks Of Egypt 2 usually is very useful, the bonus summoning a random Eye can sometimes bring the black Poison Eye, whose tears will shrink the paddle. If the paddle is at it smallest, one life is lost.
- The objective of BBC Micro Puzzle Game Xor is to collect all the smiling masks. However, there are also frowning masks, which turn off the lights, making the walls invisible until a second frowning mask is collected.
- The Breaking Out game Jardinains! and its sequel have some bad powerups. If you know what they look like, you can usually avoid them unless they happen to be close to the ball at a crucial moment.
- Shrink Paddle and Fast Ball do exactly what you'd expect.
- The Paddle Scrambler, which only appears in the second game, reverses the controls of the paddle.
- The appropriately named Very, Very Bad removes the effects of all good powerups, makes your paddle tiny and the balls super fast. Unless you have great reflexes and/or are very close to finishing the level, this might as well be a death sentence. At least it looks like a no parking sign, so you'll probably be smart enough to try to avoid it.
- Matching Broken Heart tokens in Huniepop deals a significant amount of damage to your Affection meter. In the early game, you can survive a couple of them, but by the late game when you need 2,000+ Affection to win, a single Broken Heart match is usually reason enough to Rage Quit. Not for nothing do a lot of the Date Gifts remove them from the grid.
Real Time Strategy
- The freeware Worms-esque Liero features a weapon called the Booby Trap, which creates land mines disguised as medikits. They could be distinguished from the real thing because they didn't bounce like the real powerups did.
- Command & Conquer: Red Alert has crates that explode and cause damage when picked up.
- Super Beat Sports: One of the items in Buddy Ball is a Bomb, which immediately takes away a heart from any player who hits it.
- In Roguelike games like NetHack and Dungeon Crawl, what the different magic items look like varies from one game to the next.
Taking NetHack for example, in one game a square amulet is an Amulet of Lifesaving, while in the next game a square amulet is a cursed Amulet of Strangulation. Part of mastering the game is developing tactics to discover which items are bad without killing yourself.
- NetHack also brings us the loadstone, an object which weighs an obscene amount (more than some characters' suits of armor) but if picked up cannot be dropped unless you cast an uncurse spell on it (and it automatically re-curses itself if you pick it up again). Of course, it looks just like two moderately useful other items when unidentified, and magical identification only works on items you're carrying... (Though mercifully, a player can test unknown stones by kicking them; a loadstone won't move.)
- Several potions, even after being identified, can also be harmful if they are cursed, regardless of if you are aware of it or not. For example, potions of enlightenment usually give you insight and increase your wisdom, whereas cursed versions just reduce your wisdom. Potions of gain level usually give you an extra experience level, cursed versions warp you to the floor above you, that is, you gain a dungeon level.
- The Sink, Fountain, and Throne all have various effects when kicked/quaffed from, quaffed from, and sat upon respectively; most are beneficial, but negative effects are irritatingly common. In the upgrade Slash EM, there are also Gypsies, who may cause anything from a free wish to instant death when talked to.
- PS2 Roguelike Baroque is full of these. You can be injured, killed, or otherwise negatively affected by certain items in your inventory, but in a more direct example of the trope, certain Meta-Beings will drop Disks upon being
killedpurified. Disks that are visually indistinguishable from any other type of Disk. Disks that might, say, turn your sword into a piece of meat, or explode violently when stepped on. And by the time you encounter these enemies, you've probably gotten into the habit of instinctively picking up everything as soon as it hits the floor.
- The original Rogue has a Potion of Poison, a hallucinogenic potion, and the infamous "cloak of darkness" potion.
- In Angband, the items which look different from game to game are rings, amulets, staffs, wands, rods, potions, mushrooms (of course) and scrolls. All of these items exist in beneficial and harmful varieties. There are also cursed weapons and armor with negative bonuses; fortunately, Angband doesn't require the player to wield an item before identifying it. If you do wield a cursed item, it will instantly feel "deathly cold" and cannot be removed easily.
- Pokémon Mystery Dungeon: Explorers of Sky has the Lookalike items. The first one you'll likely come across (Oren Berries) does the opposite of what it's supposed to do, but there are a few like the Slip Seed which are beneficial. However, the fact that you can throw items at enemies to forcefully apply their effect to them means even the bad items have their uses. The funniest of these is probably the Reviser seed, which does revive the Pokémon... only for them to realize that there's an S instead of a V, upon which they faint again from bursting into spontaneous laughter.
- Dungeons of Dredmor has the "Potion of Replenishment" with the description that says it will replenish your health and mana. It also has the "Potion of Repunishment" with the description that says it will repunish your health and mana. The rest of the descriptions and image are identical. There's also a literal example with the Mud Wen. Most other Magic Mushroom will give a buff or recover HP or MP, but the Mud Wen is just poisonous. Since you can use Item Crafting to craft poison arrows and bombs, it's still useful.
Role Playing Game
- In the Star Ocean series, item creation often yields items like this, especially to begin with. One particularly annoying example is the Bounced Cheque in Star Ocean: The Second Story, which continually drains your party's money until you get rid of it, which costs money to do since you can't throw items away and its sale value is negative.
- Fable also lets the player character drink, with approximately the same effect. He'll even throw up if he gets smashed enough.
- Faxanadu has vials of poison that look very similar to health potions.
- Paper Mario:
- The first 2 games let you equip some badges that have a negative effect on you, allowing you to make the game more challenging if you wish. Unlike the normal badges, they don't require any badge points.
- They also have some recipe items that sometimes have adverse effects (such as negative status or damage).
- The Mystery (Box) in the first 2 games can have good effects, like healing Mario or damaging the enemies, but there are a few bad effects, like an actual Poison Mushroom or a rock that hurts Mario.
- In The Thousand Year Door, Mario can get 3 Poison Mushroom cards, which give him an array of nasty effects.
- Super Paper Mario has actual poison mushrooms that you can hold onto. They're mainly useful for recipes.
- The place of the classic poison mushrooms from Super Mario Bros.: The Lost Levels is now taken by the zombie mushrooms, which spawn from ?-blocks like items, but quickly show their true undead face and chase Mario as enemies.
- TTYD and Super both have Trial Stew. In the former game, it takes all but 1 HP from Mario and his partner, and takes away all of his FP, but fill his Star Power and triples Star Power gain for a limited time. In the latter game, it still takes away all but 1 HP from the character, but gives you XP equal to the amount of health you lost multiplied by 100.
- Final Fantasy has some equipment that gives godly stat boosts, but the trade off is forever status ailments (depending on what it causes) until you take the item off. The Thorn Crown (found in 5 and 6) is a very strong headgear but causes a slow loss of Hit Points, the Bone Mail (found in 5) is incredibly powerful armor but makes you undead, and thus makes magical healing hurt you instead. Another one is the sword Excalipoor (found in 5, used by a summon in 8) which makes all your attacks do only one point of damage. And then there is the Cursed Shield (found in 6) which is very bad, but transforms into an incredibly good shield if you keep it equipped for 255 battles.
- Final Fantasy IX has the Tent, an item that normally restores the party's HP and MP to full when used at a save point or on the world map. Tents can also be used in battle for a single character, but there's a random chance that the character will be bit by a snake inside the tent, causing Poison. Blind, and Silence on them. However, you can also use the Tent on enemies and hope they also get hit by the status ailments, including boss characters.
- A sidequest in Lightning Returns: Final Fantasy XIII has you testing experimental potions for an alchemist, requiring Lightning to get herself afflicted with status effects. The second Nektar you're given not only fails to cure any status, it inflicts Slow on you.
- In MOTHER 3, there's an item called Fresh Milk that will restore 80 HP, but after only about a minute it turns into Spoiled Milk, which barely recovers anything. However, after about ten or fifteen minutes the Spoiled Milk will turn into Yogurt, restoring the 80 HP-recovery ability. The game also gives you Eggs, which are okay healing items. Hop into a hot spring with an egg and it becomes a Fried Egg, which is even better. But if you don't, Eggs will eventually hatch into useless Chicks, which grow up into useless Chickens (though at least Chickens can be sold for more than Eggs are worth.)
- Played for Nightmare Fuel on Tanetane Island in Chapter 7. Upon arrival, a Save Frog alerts you that your party is in critical condition, and they are—everyone is down to 1 HP. Also, all of your items are gone. Only way to heal? Go a little bit into the island and eat some suspicious-looking mushrooms. The result? Your party is fully healed...but now you're hallucinating like nobody's business.
- Brave Fencer Musashi features food items that spoil over time — including milk that will go bad and then turn into yogurt. In this case, though, the yogurt is only about half as potent as the milk.
- In Baldur's Gate series:
- Half the unidentified items are actually cursed items. A bottle that looks like a Potion of Mirror Eyes (which protects against petrification) may instead turn you into stone. An obviously magical sword could put the character in a permanent Berserker state. Then there's the boots of double-speed, which are faster than speed boots, but cause fatigue and render the user unable to attack. However, the programmers unintentionally gave a way for savvy players to know what unidentified items are cursed (hint: even Bards with High Lore can't identify them on the spot). This is a continuation of the classical cursed items from Dungeons & Dragons such as the Boots of Dancing, or a Dagger of Lycanthrope Sympathy (instead of killing Werewolves well, it attracts them well). Classic cursed items in Dungeons & Dragons also include weapons and armor that give AC and to-hit-and-damage penalties instead of bonuses, such as a -1 sword or a suit of -2 armor. Naturally, once you equip them, you can't take them off or otherwise be rid of them until a mage or cleric can cast a Remove Curse spell on you.
- The Vampire's Revenge sword from the first game is an especially nasty example. Not only is it cursed, it also does the exact opposite of what a sword is supposed to do. It drains its wielder's health and heals its target. Just to add insult to injury, getting the sword is a case of Guide Dang It! which involves fighting a Doomguard, one of the most powerful non-boss enemies in the game, going through one of the most annoying dungeons in the game which is chock-full of respawning Kobold Commandoes packing fire arrows, and forgoing a valuable reward of 1500 exp. Pouring salt into the wound, the sword's flavor text mocks you for going through all of that trouble to get a piece of cursed junk like this.
- The Girdle of Gender Change. The in-game effects of this are minimal.
- The World Ends with You brings us the Red Skull pin, which slows down Neku's movement in battle. What the hell is the point of this pin, and why can't we sell it? Well, one mission revolves around making this pin the next big thing, and to make it so you have to wear it in battle until the Gatito brand becomes #1 on the Scramble Crossing trend charts. And then plot-wise, this pin has a much worse effect: during Kitaniji's super happy fun brainwashing time, anyone wearing it but not the black Player Pin goes into "To right the countless wrongs of our day" mode. It also has an unintentional amusing Good Bad Bug use: by equipping it and then getting swarmed by tadpole enemies that also slow you down, Neku's speed loops around to negative, causing him moonwalk backwards away from where you point the stylus.
- In Book I and II, you find an Evil Ring in Darm Tower, which drains your health (or kills you instantly in non-TGCD versions) if you equip it and don't also have the Blue Necklace equipped. It is in fact required to rescue Lair later in the tower. Somewhat of a Guide Dang It!.
- In Ys VI, the Galba Armor inflicts poison status unless you equip the Silver Armlet first.
- Persona 3 has the Cursed Cards in the post-battle Shuffle minigame. Sure, you get to keep whatever the Card yields like any other time... but Death is summoned to your side almost immediately.
- Persona 4 has fake chests that, upon opening, "punch" you and drain your HP or SP. Pretty scary if you're not expecting it. These chests are not present in the Vita remake.
- The Black Potion in Light Crusader poisons your character, which in this game flip-flops the controls rather than draining health.
- In Baten Kaitos: Eternal Wings and the Lost Ocean, many item magnus undergo spoilage, resulting in what are usually very poor attack magnus. One particularly devious example, which you might not even see if you go straight to the end of the game as quickly as possible, is Yesterday's Wine. Deluxe Red Wine is a fairly decent healing item (though it gets outclassed later in the game), but after 24 hours (yes, of playing), it becomes Yesterday's Wine, which just gives you a Headache. And you ''need' to get each and every one of these for 100% Completion. Be careful not to use them by mistake.
- Golden Sun has many items of cursed equipment; they are often quite powerful, but have the disadvantage that they cannot be removed without visiting a Sanctum, and may randomly cause the wearer to become paralyzed for the duration of a battle (although the latter effect can be mitigated by equipping a rare item).
- The chests left by defeated enemies in Secret of Mana may hold helpful supplies and other goodies. Then again they may only contain a booby trap, which can really mess you up. When you get a 'fake chest' which splatters the Girl and the Sprite and sends the Hero screaming like a little girl all the way to the nearest inn, you may decide to stop opening those things. There is a way to avoid this - the Identify spell (on the Girl's list of Jinn spells) disarms all traps. Of course, it's only mentioned in one obscure spot.
- A recurring trope in the Dragon Quest series.
- Some weapons and armor the later half of the game found in chests are cursed. They usually appear quite powerful, but in reality, they give you lousy stats and cannot be unequipped unless you remove the curse. You can guess the item is cursed by its appearance and the description warning you not to equip it.
- The Cursed Belt and the Death Necklace from Dragon Quest I. Being cursed by these adversely affects your stats and prevents you from returning to Tantegel until you see a certain guy in the nearby town to remove the curse.
- Subverted in Dragon Quest VIII. The protagonist can equip cursed items due to his Dragonian linage (he is unaffected by curses except those of his own race).
- The Mac RPG TaskMaker has the Skeleton Scroll and Depressions scroll, both of which temporarily deplete some of the player's stats. Devil's Scroll even goes so far as to decrease the overall value of each stat.
- The Shrinking Potion in The Immortal also poisons you, and you must find a cure after the shrinking effect wears off.
- Late in Chrono Trigger, you can fight a rematch with Ozzie, Flea, and Slash. You can steal some decent equipment from Flea and Slash, but Ozzie yields the Ozzie Pants, which are inexplicably worn on your head. They provide great defense, but put you in Confusion status at the start of every battle.
- The original Diablo has cursed armor, adding a bit of a gamble when you identify magical items. Cursed armor reduces attributes and doesn't sell for much money.
- Consuming Datura root (if you're dumb enough) in Fallout: New Vegas: Honest Hearts causes poison status for 30 seconds, which means you are screwed if you don't have Datura Antivenom.
- Ecco the Dolphin has health-sapping clams disguised as healing clams.
- Fallout 3:
- The DLC Mothership Zeta has the Alien Biogel, which restores 24 HP with the side effect of "Biochemical Anomalies"(random status effects). Elliot Tercorien can convert it into Adapted Biogel, which restores a lot more HP, but still has the side effects.
- In Broken Steel, if you infected Project Purity with the Modified FEV, consuming Aqua Pura will cause stat debuffs and ultimately death.
- Due to the way Alchemy works in The Elder Scrolls V: Skyrim, an inattentive player can make their own Poison Mushrooms. Alchemy ingredients have four effects each, and mixing them will make a potion which includes any effects which any two of the ingredients share with each other. If the ingredients share both a positive and negative effect (say, they both cause Restore Stamina and they both cause Damage Health) the potion will do both those things, but only be named after the most prominent effect, potentially producing a "Potion of Stamina" whose Small Print reminds you that it also drains your health. Fortunately, such potions make excellent Vendor Trash, as their value increases with each effect, even if they cancel each other out.
- Pokémon has several holdable items which do nothing but harm the user. However, they can actually be surprisingly useful if combined with the right strategy and Ability. The Flame Orb and Toxic Orb inflict burn and bad poison on the user, but they can be useful in combination with the Guts or Quick Feet Abilities, which require the user to suffer from a status ailment to take effect. Black Sludge hurts the holder each turn... unless it's a Poison-type, in which case it heals a little bit of HP each turn. The Iron Ball cuts the holder's Speed in half and if the holder is airborne it'll force the holder to the ground, but Gyro Ball (which becomes stronger if the user is slower) becomes more powerful and using Fling will deal a 130-base damage attack. The Ring Target removes immunities, the Sticky Barb damages holders but can transfer to those without items, and the Lagging Tail forces the holder to move last. The moves Trick and Switcheroo can be useful because it can transfer these items to those who really don't want them and hurt them.
- The Memoryhead in Undertale create a consumable called Bad Memory if you perform the "Item" Act option. It hurts for 1HP if used, although it fills up your HP if it's critical.
- The Dusk Robe from Romancing Saga 3 seems to be the best armor in the game with a defensive power of 42 against both physical and magical attack. The catch? It actually makes the wearer weak against all kind of physical attacks (pierce, slash, blunt and projectile) and really weak against elemental magic, particularly fire as well as raising the chances of being inflicted with ailments. Note this armor is different from Earl Leonid's Dusk Robe that, while keeping the weakness against fire abilities, also grants total protection against ailments and fatal attacks as well as a Regen-esque buff that recovers HP every turn. This armor cannot be removed from the Earl.
- In the Monster Hunter series, prior to starting a quest in a zone, the player character can eat a combo of meals available in the village or city they're currently in. Most of the combos give special benefits, such as higher defense, higher attack power, and more health and/or stamina. But some combos can also leave the hunter tipsy, which in turn will activate an unfavorable effect known as "Unlucky Cat". It reduces drastically the Stamina capacity and also takes away 90% of the HP upon the start of the accepted quest.
Shoot Em Up
- Söldner-X: Himmelssturmer has a bonus icon which instantly destroys your ship. In a game already Nintendo Hard and with sharply limited extra lives, its presence is most unwelcome.
- An old N64 game called Chopper Attack features different bonuses if you blow up a certain base. These bonuses are random, sometimes giving health or ammo. Or other times it's a black box that jumps up and explodes in front of you.
- Parodius features an !?/OH (MY GOD)! "powerup" on the power meter, which nullifies every powerup you have. Well, "It's hardly worth being called a power up." Normally, it's simple to avoid; just don't power up when it's highlighted. But throw in the "powerup roulette" feature that activates by random (though actually specific) power pods, and you'll see its true purpose. Thankfully, Jikkyo Oshaberi Parodius: Forever With Me features an option to change the !? into a slot machine roulette, which not only reduces greatly the chances of getting that dreadful powerup, but also rewards you with upgraded versions of the bell powerups in the game, and also extra lives.
- Warblade has a number of them:
- Skull powerups occur in red, green, and blue. They downgrade your weapon, as well as your speed, bullet count, and time stats. There are positive effects too, which lower the number of further bad powerups. The red, green, and blue varieties are all the same, except that if you collect a certain number you get a benefit:
- Money thieves occur from time to time. If you get three blue ones, the money thieves explode into even more money when killed than they normally do.
- Three green ones cause a multiplier to spawn at the beginning of meteor storms, one of the more common bonus rounds.
- Three red skulls will cause a gem counter to be added to the interface. You can make it permanent by playing 5000 levels total, though that may be overkill for such a minor detail.
- A red, then green, then blue, in order, drastically upgrades your speed, and will also upgrade your weapon to super triple if it's lower than that.
- Far worse than skulls are weapon powerups, which can change your weapon to either single(you will lose if you pick up this one past level XX25 (they cycle, every 100th level is the same but a bit faster), double, triple (the normal kind, not super triple) or quadruple (this one's kind of rare, and doesn't suck so much). There isn't much of a problem on undeveloped accounts (in this game, achievements unlock significant, permanent bonuses), but on higher levels and/or highly developed accounts, this can suck because your weapons are far better than those. Heck, some achievements allow you to START OUT with quadruple or super triple.
- Less detrimental here, but if you pick up a money doubler if you have more than around 450000 dollars, you get red text saying "money doubler malfunction"
- Skull powerups occur in red, green, and blue. They downgrade your weapon, as well as your speed, bullet count, and time stats. There are positive effects too, which lower the number of further bad powerups. The red, green, and blue varieties are all the same, except that if you collect a certain number you get a benefit:
- Some shmups, such as SNK's Alpha Mission, have "power down" items, in this game, the item's letter was reversed.
- The MSX version of TwinBee has a black bell that will kill you if you try to collect it. Most later TwinBee games use the black bell as a Speed Down.
- King's Knight has up arrows that act as health restoration items. The landscape is also littered with down arrows, which decrease your life force, and grabbing one while your health is low will kill you.
- The 3-D Battles of WorldRunner has literal poison mushrooms. Items can be made to drop by bumping into columns, and mushrooms are the one bad kind of item.
- Battlemania/Trouble Shooter on the Genesis has a Speed Down item. They usually appear in levels where slower speed is necessary for survival, though.
- In Star Parodier, the powerups to avoid are the orbs with "suka" written on them.
- Enigmata has a number of them, marked with an "X" (except one). These usually cause Interface Screw such as money loss, taking damage, jamming your weapons or making you unable to move (or move in the opposite direction). Many of these can be negated/nullified with the right skills and equipment, and you can also decrease the chances of negative powerups occuring. Then there's the "Bonus Killer", marked with a "Z". There's an item that makes your bonus weapons permanent, and a skill that locks your bonus weapon to avert Power Up Letdown. The bonus killer on the other hand bypasses this- it turns your weapon back to the starting weapon, severely dampening your firepower. Worst of all, not even the negative effect nullifier will protect against it.
- In Lost in Blue, there are eight different kinds of mushrooms that you can find. Their effects differ from game to game; some will burn your throat and thus make your thirst meter go down faster, some will keep your energy meter from going down, some will induce stomachaches, and some will do nothing.
Stealth Based Game
- Metal Gear:
- In the original Metal Gear, the cigarettes kill you. Unless you use them at the end of the game, which somehow increases the Timed Mission timer.
- Also in the first Metal Gear, when you recover your inventory after being captured, there is a Transmitter slipped in that will instantly alert every screen of enemies until you dispose of it.
- The snake that eats your rations in Metal Gear 2: Solid Snake.
- As a Call-Back to the first Metal Gear, when you recover your inventory after being tortured in the first Metal Gear Solid, it has a Time Bomb in it that you must discard before it explodes. Another bomb can be picked up while searching for the keycard in the drainage ditch.
- Metal Gear Solid 3: Snake Eater has poisonous food items. These have one beneficial use: if The Fear is damaged enough, he will retreat from attacking you to find any Rations or Food around the battlefield, to heal himself. If you collect all of them and plant a Poisonous item, he will eat it without a second thought, further hurting his Stamina. Excellent for those trying to do Stamina-defeats on the bosses.
- Snake Eater also has a tracking device get planted on you during the torture segment. Not removing it in the cure screen causes Ocelot Soldiers to show up while escaping along the riverside, but leads to a bonus scene.
- Rise of the Kasai features an inversion of this trope. Tati can find literal poison mushroom pick ups and use them as weapons by planting them on the ground as mine traps for her enemies to step on, causing them to explode into a cloud of poison gas. It is played a bit straight though, as these mushrooms can prove lethal to the player and their AI partner, being the only player controlled weapon that can do so.
- "Fragments from the Book of Abdul" and "De Vermis Mysteriis" in Alone in the Dark (1992). The first book drains your health, the second kills you immediately unless you read them while standing on a very specific spot in a secret room.
- The Whiskey in Alone in the Dark 2 will mess you up big time if you drink it. Instead, you have to give it to a certain guy to obtain a Santa Suit, which is critical for entering the house without arousing suspicion (Guide Dang It!).
- The Rotten Egg in Resident Evil 5 takes off a large amount of health, but throwing it deals a One-Hit Kill to Majini.
- In Silent Hill 4, don't take the Shabby Doll from Walter, or it will cause extra hauntings in the apartment which block the item box and force you to waste your (limited) supply of Saint Medallions and Holy Candles to get rid of them.
- In Spooky's House of Jump Scares the titular ghost "rewards" you with infinite stamina in Room 750, when what she actually does is disable your ability to run (technically your stamina doesn't go down). It's unavoidable, but thankfully goes away after a few rooms.
Third Person Shooter
- In the third-person shooter Wild Guns there's the Mystery Power-Up (a bullet with a "?" next to it). While you can still get every gun in the game (Shot Gun, Grenade Gun and Machine Gun), woe onto you if you get the dreadful Pea Shooter, which doesn't do any harm to your enemies and which you must discharge completely before you can switch back to your standard infinite-ammoed gun.
Turn Based Strategy
- Heroes of Might and Magic 2 has the Tax Lien (makes you lose gold every day), the Hideous Mask (monsters will never join you), and the Fizbin of Misfortune (ruins your morale). You can see them on the map and avoid them, but sometimes you'll find them in treasure chests with no warning. The Fizbin is at least as old as Might and Magic 3 (not the "Heroes of" strategy series, but the RPGs), where it doubles shop prices. It also eradicates you in the Slithercult Saloon if you have it in your inventory and try one of the slot machines. However, with it you can take a treasure hoard you can't otherwise.
- Some of the relics your dwarf miners can find in Delve Deeper are "bogus" relics that are either either worthless or actually take points away.
- The Devil Axe in Fire Emblem tends to be this. Great stats, equippable by anyone with an Axe rank, good for training said Axe rank, and also has a random chance of damaging the wielder instead of the enemy (especially when the user was about to score a critical). And since this is a series where Final Death is in play, most players wisely decide to treat the axe as Vendor Trash instead of using it in combat.
Wide Open Sandbox
- In the game Way of the Samurai 2, the rice ball restores 200 HP, the rotten rice ball costs you 200 (it can't kill you, but it does come very unpleasant in the middle of a heated battle). The difference? Color and description, but who would read it in a battle? Furthermore, most thugs drop this and the real variety. The safer alternative is to just go for better health item, such as the (so-described non-perishable) dried fish, yum.
- Way Of The Samurai 4 also has Rotten rice balls as a healing item. In this game, they do restore some vitality, but will temporarily make it deplete faster, making your character more vulnerable in battle. Another item fitting this trope is the aptly named Poison Mushroom. Normal mushrooms regenerate your Spring Harvest bar, which allows you to temporarily enter a Super Mode. Poison Mushrooms do regenerate this bar a little bit, but will temporarily halt any further regeneration of this stat. These items do have some use outside battle, as their debuffs only matter in combat, meaning you can freely use them for their regeneration.
- Bully features a game-within-a-game called Consumo, where the character attempts to become larger by eating the random food objects that fly across the screen. Eating rotten food objects such as spoiled rice, fish bones, or apple cores will cause the character to become sick and lose health or even lives.
- Grand Theft Auto: Vice City allows you to take drugs (large floating discs similar to health pickups and bribes, except bearing an image of a pill), which temporarily slow you down until you get into a vehicle or go to a different area. In some cases, you might take corrosive damage and most likely die.
- Grand Theft Auto IV allows you to get drunk, impairing your driving ability just like in real life.
- The 2005 remake of NARC also has a few somewhat useless drugs. Ludes reveals which persons are enemies and which ones aren't, another drug just zooms in and shows you close-ups of enemies for a few seconds, and Weed just slows you down. Your character will get addictions from all of them, though they're less severe than the addictions you get form the more useful drugs like Crack and Ecstasy.
- The racing game Re-Volt has a "bomb" powerup; if you're unlucky enough to pick this up, your RC car turns black, its antenna becomes a fuse and it explodes after a few seconds (not destroying it, but sending it flying). Touching another car "gives" the bomb to them, though, so it's a lot like a game of "hot potato".
- You can buy drinks at the bar in Red Dead Redemption. Virtually every other item you have to pay for is in some way beneficial—ammunition for your guns, medicine to recover health, apples for your horse, and so on. Booze? It gives no actual in game benefit (and the game never tells you this; it is all too glad to let you keep buying). It just makes you a slightly poorer drunk with no ability to walk a remotely straight line. You can blow $20 in one sitting on whiskey and then pass out in the street. Humorous, but a great way to wake up in jail.
- In Retro City Rampage, drinking Milky's sour milk will cause the Player to get drunk and lose health. There is also a quack herbalist selling literal mushrooms with various harmful effects.
- Minecraft has Zombie Flesh, which can be consumed, but there's a very high chance that you'll inflict food poisoning on yourself and it'll make your hunger meter deplete faster than normal when doing certain activities. However, the item does refill your hunger immediately, so it's good as a temporary way of keeping your hunger up until you can get some actual food. Not to be confused with the poison status, which saps your health instead.
Non-video game examples:
- The Yu-Gi-Oh! card game has "Parasite Paracide," which gets inserted into the opponent's deck, face-up. When they draw it, they take damage.
- Lava Golem and Volcanic Queen as well. Both of them have high ATK and are played on your opponents field rather than yours, but inflict 1000 damage to the controller on their standby and end phase, respectively. They do have a plus-side for your opponent, though. Despite the negative effects, they are still 3000 ATK and 2500 ATK monsters respectively. There also exists a monster called Ameba that causes 2000 points of damage if you use another card such as Creature Swap to give control of it to your opponent. There also is an equip card called Vengeful Servant that gives any monster equipped with it a similar effect. Even better is Number 30: Acid Golem of Destruction, which has 3000 attack and is extremely easy to summon at the cost of only being able to attack for a few turns, making you take 2000 damage per turn after that, and making you unable to special summon, so a good way to use it is to give control of it to the opponent with another card after the turns it can attack run out, making it play a similar role as Lava Golem, but worse. Lava Golem's main advantage over this is that you sacrifice your opponent's monsters to summon it instead of your own.
- Ojama Trio and Nightmare Archfiends both give token monsters to you opponent that damage them when they are destroyed, and they can also block your opponent from summoning monsters by filling up all their monster zones.
- The Duston playstyle revolves around using "House Duston" to Special Summon members of the archetype to either side of the field, ideally Special Summoning ones with negative effects to your opponent's side of the field and ones with positive effects to your side of the field. This reflects how dust can spread in real life.
- Another strategy that uses this trope centers around the cards Nurse Reficule the Fallen One and Bad Reaction to Simochi. When either of these two cards are on your side of the field, any effect that would otherwise heal the opponent's life points will damage them instead, so you can pack your deck with cards that heal your opponent and use them to rapidly burn your opponent's life points.
- Some cards are explicitly designed in such a way that you pretty much have to either use them in a combo or they end up as this. Burning Algae is a card that gives your opponent a small lifepoint boost when it dies. This is on top of it's craptacular stats. The most obvious use of this card is to combine it with Bad Reaction to Simochi above or use it in conjunction with another card that requires you to have lower life points, such as Megamorph, but on it's own it's a Poison Mushroom through and through.
- In Fluxx, some expansions (the first being Zombie Fluxx) have "Creeper" cards. These are like the negative version of "Keeper" cards - they have to be immediately played, and they prevent the holder from winning the game even if they otherwise meet the conditions for winning (unless the goal specifically allows it or calls for a Creeper).
- The Pokémon Trading Card Game contains a promo card called Imakuni?, which confuses your active Pokémon upon use. That's all it does. The card itself was only available in Japan note , but it also appears in the card game's video game adaptation.
- In the Lone Wolf series of gamebooks:
- The hero can gather quite a few items; some useful, others not so much. And then there are the items that will make Lone Wolf's adventure harder down the line (or outright kill him) if he was dumb enough to pick them up. These items usually have very evil sounding names to warn the player that they're better off leaving them alone.
- The Glowing Crystal from The Caverns of Kalte, in fact a Doomstone. If Lone Wolf keeps it on his person for too long, its radiation will kill him.
- The golden bracelets worn by Ice Barbarians in the same book. They are Hypno Trinkets allowing Vonotar to control them, and if Lone Wolf don one it can lead to a Psychic-Assisted Suicide.
- The Black Crystal Cube from Shadow on the Sand. It's not until later in the book that you learn a) it attracts your enemies to your location, and b) it is going to explode in your hand if you don't throw it away fast enough. A similar one can be found in The Masters of Darkness, and if you keep it too long, it just kills you outright when exploding.
- The Anchor in Leaping Lizards. While it served a purpose in both Super Mario Bros. 3 and the previous book, in this story all it does is drag Luigi down and cause him drown if he falls into a body of water.
- Aluminum in Mistborn: The Original Trilogy. Technically one of the sixteen Allomantic metals, but its only power is to erase all your other metal reserves upon burning. Also, burning an impure Allomantic metal will make you very sick, and trying to burn something that isn't an Allomantic metal at all will kill you.
- Dungeons & Dragons
- Several campaigns feature poison found in a treasure haul, in addition to your regular potions. Characters that drink it suffer anything from hit point damage to outright death if they fail their saving throw.
- Classic cursed items in D&D include weapons and armor that gave AC and to-hit-and-damage penalties instead of bonuses, such as a -1 sword or a suit of -2 armor. Naturally, once you equip them, you can't take them off or otherwise be rid of them until a mage or cleric can cast a Remove Curse, Dispel Evil or other such spell on you. Not to speak of the various other major cursed items you can run across (see Baldur's Gate above for more examples).
- Any Chance or Community Centre cards that force you to pay money into the bank. The worst one of them is the "Assessment" card which forces you to pay money depending on how many houses or hotels you have.
- Any Chance card that forces you to move to a space (other than Jail or Go). Especially if said space is owned by someone else. And there is a Hotel on it. The "Boardwalk" card can be an especially fatal One-Hit Kill.
- The Railway cards are even more annoying if someone owns all four. You have to pay double the rate, or $400, which is a large chunk of change.
- The Go To Jail cards play this straight early on, then are considered to be subverted later in the game (especially when houses and hotels come into play, as it delays the possibilities of you running into a fully developed property). Unless someone owns two of the three areas immediately after the Jail square (in which it is played straight again).
- In the 6th edition of Warhammer 40,000, there are mysterious objectives which can contain a shield, Anti-Air: They can also be booby trapped, thus damaging your troops. Worse, these objectives can cause damage multiple times. There also are mysterious forests, which usually have fairly helpful effects, but they can also contain a nest of psychic-eating killer bugs which attack absolutely every psychic model on the field. The Grey Knights, an army entirely composed of psychics, can reasonably count to lose half its troops just due to this one mishap. That's the reason why these things were removed in the next edition.
- The "caramel onion" prank. It looks like delicious caramel apple... but it's actually a nasty raw onion covered in caramel.
- People trapping food products and leaving them in innocuous places for fun, profit, or to teach a greedy roommate not to swipe their food. Imagine sitting down before a bowl of chili and discovering after a bite that it's full of dog food, or biting down into a brownie and later learning it was made with laxatives. Other examples are the infamous Nair in the shampoo gag, lye in the socks, and even a razor blade in the bar of soap.
- In the world of computing, we have The Honeypot. It consists of a block of data, files, or even an entire server in a computing system that is unused, isolated, and monitored, and designed to look valuable. The idea is should someone gain unauthorized access they'll go for the Honeypot, and since nobody else uses the Honeypot anyone accessing it will immediately trigger the owner's trap card and get caught.