[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/master_core_8880.png]]
[[caption-width-right:350:This [[SarcasmMode lovely little creature]] also covers up [[InterfaceScrew the touch screen]], by the way. ]]
%% The image is referenced in the examples below. Keep that in mind. %%

With twelve [[note]]NightmareFuel/TheLegendOfZelda, NightmareFuel/{{Metroid}}, NightmareFuel/{{Pokemon}}, NightmareFuel/SuperMarioBros, NightmareFuel/DonkeyKongCountry, NightmareFuel/{{Kirby}}, NightmareFuel/{{MOTHER}}, NightmareFuel/{{Pikmin}}, NightmareFuel/FireEmblem, NightmareFuel/StarFox, NightmareFuel/YoshisIsland, and NightmareFuel/AnimalCrossing[[/note]] other TVTropes pages detailing the NightmareFuel in different Nintendo games, it's no surprise that if you put all of these series into one game series, there are bound to be a lot of frights. There are also entries in the main Video Game section detailing the horrors in other Nintendo games. So when you combine characters from all the recognizable Nintendo franchises in one fighting game series, it might be handy to take a few deep breaths before playing.

%% In order for NightmareFuel tabs to survive, a new writing style is going to be used, nicknamed '''Example Lobotomy'''. Basic rules: just list facts as they are, don't just say "character X" or "the X scene" (such Administrivia/{{zero context example}}s will be {{zapped}}), spoiler policy to be determined on a case-by-case basis, italics to be applied to works' names only and not to give emphasis on what tropers say. "X scared me" is already implied by the mere addition of that example by the troper.%%
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[[foldercontrol]]

[[folder: General]]
* While [[AwesomeMusic/SuperSmashBros amazing music]] is a staple of this series, the GameOver tune succeeds way too well at creating a chilling atmosphere with its ScareChord, all the more reason why players should not screw up.
** In the first game, your character falls lifeless onto the floor with a spotlight shining on them with the narrator asking the player if they want to continue. Select "Yes" and your character will spring back to life and you will reply the level you died on. But if you say "No", the screen will fade to black with the narrator saying "Game Over" with accompanying text and ominous music playing before you go back to the title screen.
** In the second game, your character's trophy falls onto the floor in a void of darkness with the narrator asking you to continue. If you say "No", the screen fades to black with the narrator saying "Game Over" with the aforementioned ScareChord. This continues in the third game's Adventure mode.
* The "Warning! Challenger Approaching" [[http://www.ssbwiki.com/images/5/5e/ChallengerApproaching64.ogg alarm in 64]] suggested a mood of "get ready to fight!" However, the alarms in [[http://www.ssbwiki.com/images/9/98/ChallengerApproachingMelee.ogg Melee]] and [[http://www.ssbwiki.com/images/8/89/ChallengerApproachingBrawl.ogg Brawl]] sound more like some abomination is heading your way and you need to get out of there ''fast''. Notably, Brawl's just sounds like a police siren, still alarming, but Melee's is an alarm [[HellIsThatNoise with a distant-sounding echo.]]
* Playing in Stamina Mode can get kind of unsettling. Instead of knocking fighters off the stage, you just beat them down until their HP drops to 0. The final hit is rendered in slow motion with the loser letting out a DeathCryEcho, and then their lifeless bodies just lie there on the field.
* Olimar's Pikmin, as well as Rosalina's Luma, can die. Not KO'd, they simply die. Luma might just disappear, but the Pikmin deaths come complete with the chilling cries and ghosts from their home series.

[[/folder]]

[[folder: Super Smash Bros 64]]
* [[ImplacableMan Metal Mario]] never says a word, he doesn't even flinch when hit, and worst of all, he never runs. Instead, he does an UnflinchingWalk towards the player, who he does not see as a menace.
* One of the most haunting original [=BGMs=] to ever come from the franchise is the LonelyPianoPiece playing right after defeating the Hand in the original N64 title. The so-called [[http://www.youtube.com/watch?v=Z5d9nX36FDw "Game Clear"]] music is indeed a lonely piano piece, but a horribly demented and off-key one, at that. It essentially sounds like PyrrhicVictory in musical form.
[[/folder]]

[[folder: Super Smash Bros Melee]]
* [[http://www.ssbwiki.com/images/2/25/Peachallstar.jpg This]] image appears when you clear All-Star Mode with Peach, making her look unusually sinister.
* The Brinstar Depths stage is a giant piece of space debris that could be spun around by Kraid. Plus, not only is the stage creepy in that Kraid just comes out of nowhere from the lava and roars at the player, but the music is actually rather chilling.
* This game introduces Crazy Hand, the more sinister side of Master Hand. While fighting Master Hand is not entirely unlike one's action figures trying to kill one's hand; Crazy Hand, [[IncrediblyLamePun on the other hand,]] is much creepier, since it idles spastically, has a few oddly creepy attacks, and is a tough boss, since it almost always brings Master Hand along.
* Giga Bowser's introduction in Melee. Just after getting to the end of Adventure Mode and beating Bowser, Bowser's trophy suddenly lurches back on stage with a loud thud, and then mutates into a colossal, far more vicious-looking, SNKBoss version of Bowser, being much stronger and unable to be grabbed. And his transformation ends with a silent roar, complete with GlowingEyesOfDoom that freezes in frame while the actual fight starts loading.
* Zooming in on Daisy's trophy from the back in early versions of Melee reveals [[https://www.youtube.com/watch?v=cAL0_Oigmpg a glitchy, deformed eye on the back of her head.]]
* The Lip's Stick is introduced in this game. While it's toy-like aesthetic and utterly non-menacing appearance doesn't seem too scary, the effect it causes is slightly unnerving to think about. It causes a plant to grow out of someone's skull as it causes them agony. Look up Cordyceps and their effect on insects - the concept is the same.
* As mentioned in the 64 folder, Metal Mario, especially how he's introduced. He falls from the sky head-first and lands on the Battlefield stage still stiffly head-first before falling over...and then [[AnimationBump extremely fluidly]] stands up to face the player while ominous music plays. Should you have Luigi unlocked, he joins as Metal Luigi and the creep factor becomes doubled.
* While it's not horribly scary or anything, Mr. Game & Watch had a [[http://m.youtube.com/watch?v=MPi_ORI49Og rather ominous victory theme]] in ''Melee''. ''Brawl'' gave him a more normal one, though.
* Zelda's sky KO scream, compared to others and even her sky KO scream in future games, she sounds genuinely terrified, in pain or both and it comes off as plain unnerving.
[[/folder]]

[[folder: Super Smash Bros Brawl]]
* Overall, this game takes the DarkerAndEdgier approach, with more realistic textures and darker themes, so this game has plenty of scary moments, most especially in The Subspace Emissary, the game's Adventure mode. It is home to some of the most terrifying and unsettling moments in this game:
** At the beginning of the campaign, the arena gets nuked with a Subspace Bomb, which basically pulls that part of the world into another dimension for Tabuu to do whatever he wants with. The characters flee before it is bombed, and the arena reappears later in the Subspace Maze for a boss fight, but nobody seems to care about rescuing the audience: nevermind the InferredHolocaust to the R.O.B.s who got sucked into Subspace.
** During The Ruined Zoo, after the Porky battle, Wario shows up with his Trophy Gun. He tries shooting at Ness a few times, but Ness dodges with ease. Then, he decides to aim at Lucas instead. Ness [[TakingTheBullet takes the blow for him]], and Wario then approaches his Trophy and manages to scare Lucas away. We're then treated to the [[SarcasmMode lovely scene of]] Wario maniacally laughing at the fact he essentially just [[FridgeHorror killed a child]]. The lightning effects don't help matters.
** In the Halberd Interior level, there's a room the player passes through with nothing but unreachable glass cages that appear above and below them. It showcases various enemies you've faced throughout the mode, except for one: [[http://www.ssbwiki.com/Mizzo Mizzo.]] On the bottom row of cages, second to the right, there is this enemy that [[UniqueEnemy appears nowhere else in the game]], and it's just... stuck there.
** Donkey Kong's first appearance shows him smashing a Koopa Troopa into the ground, sending green shell-shards flying everywhere. While Koopa Shells are treated as clothing for Koopas in the Marioverse, here it seems more like Donkey Kong crushed his spine.
** Pikachu stuffed into a jar and electrocuted, used as a source of electricity, doesn't look like a pleasant time for it.
** Samus getting [[TheWorfEffect worfed]] by Ridley: grabbed and scraped against the wall. It is fairly striking in its sheer brutality. So much so it got worked back into the Metroid series in OtherM. Wall scraping and all.
** The player faces a Giant, purple, yellow-eyed Diddy Kong, [[TheCorruption corrupted by Shadow Bugs]], almost bordering on SNKBoss on the higher difficulties due to his massive size and power.
** Mr. Game and Watch has no concept of right or wrong and is able to be controlled by just about anyone, and is totally willing to go along with it no matter how mistreated his kind is, similarly to Wreck-Gar's ''TransformersAnimated'' incarnation.
** Aside from the Dedede Brooches, trophies cannot self-revive after a fighter falls in battle. While they are simply not conscious, they could be sealed in a trophy for a very long time... and they could stay that way if the victor of the match hates them that much, or are much of a JerkAss (like Wario).
** When Link and Zelda revive Ganondorf in the SSE, he seems to be recovering from the beatdown Bowser laid on him (he's groaning and holding his head like it got hurt really badly). This implies that the trophy characters feel any pain they receive in trophy form.
** King Dedede and Bowser face off in the Subspace realm at some point, and in the background, there's Master Hand, just lying there, apparently bleeding to death.
** The eerie Subspace themes providing a chilling, tragic rendition of the normally uplifting main theme of the game, [[https://www.youtube.com/watch?v=37v3xUdBnf4 get]] [[https://www.youtube.com/watch?v=ozTCqMIk0Ng more]] [[https://www.youtube.com/watch?v=zBOh0wwN9Ig unnerving]] as you progress.
** [[FridgeHorror Consider this:]] In the already unsettling Subspace levels, saving all characters isn't mandatory. It's up to the player to decide if one character deserves to be left lifeless forever or not. Plus, for all the player knows, they might just forget about one character and might not be able to find them, leaving them stuck there for a long time.
** The Save Rooms in the Great Maze is desolate, with [[EldritchLocation the sky being ripped apart]] to reveal the eerie darkness that is Subspace. [[https://www.youtube.com/watch?v=7bG52h9AyJs The music]] is a slow, unsettling arrangement of the once triumphant main theme of the game.
** [[DimensionLord Tabuu]], the mastermind behind the Subspace Emissary. He's a floating digital ghost, borderline SNKBoss with highly damaging attacks, including his signature, which can kill you in one hit on standard difficulty. This guy controlled Master Hand though chains of light planted beneath his skin, hence the "bleeding to death" bit mentioned above. No one even knows where he comes from, [[TheVoiceless and he does not say a word.]] He just comes out of nowhere, and in one scene, even when the player thinks our heroes have finally fought their way to the heart of Subspace and they are ready for the final battle, Tabuu just "kills" them all at once before they can do anything. Their MassOhCrap is rendered in slow motion [[RuleOfDrama for added drama.]] And when you return to the world map after this scene, none of them are available to select as playable characters.
** The various enemies you face in the Subspace Emissary are also unnerving to think about.
*** [[http://ssbwiki.com/Armight Armights]] fly out of the background with a creepy EvilLaugh when they appear. An Armight appears to be some sort of mutated, blue-skinned, dismembered head with two pointy tentacles and a Roman helmet. [[NightmareRetardant Funny mustaches aside.]]
*** [[http://ssbwiki.com/Floow Floows]]: floating, shadowy, wraith-like creatures with beady, red eyes that follows the player everywhere and regenerates as fast as they can be damaged; their main attack is to stand in place and let out a ghastly, tortured shriek as hundreds of smaller ghosts fly out of its body. The bio on its Trophy say it harbours "pent-up resentment" and "one part sadness, one part madness".
*** [[http://ssbwiki.com/Puppit Puppits]]: corpse-like things with really long claws that just hang lifelessly from a string until they come across the poor unsuspecting character in their way, then they start attacking like crazy. Their trophy description points out that "nobody knows what's on the other end of the string".
*** [[http://ssbwiki.com/Shaydas Shaydas]] are giant black entities with [[{{BFS}} big swords for arms]]. And incidentally, they appear similar to the writhing shadowy mess in the picture at the top of this page, although they are unrelated.
*** [[http://ssbwiki.com/Bytan Bytan]] looks like a mutant Poké Ball with a sharp-toothed grin, and reproduces by popping another Bytan out of its eyeball, which also multiply if not killed fast enough. They form huge, terrible swarms. [[JumpScare Giant Bytans also have a nasty habit of dropping in on the player with no warning]].
*** [[http://ssbwiki.com/Bombed Bombeds]] decapitate themselves to attack, and then run around like a beheaded chicken until they grow a new head and repeat everything all over again. Their heads are bombs.
*** [[http://ssbwiki.com/Bucculus Bucculus]] hides in the ground so you can't get at it until it attacks and often won't notice it until it ambushes you, and drains the life out of you with giant spiky lips.
* This game introduces [[LimitBreak Final Smashes]], very powerful and sometimes cinematic special attacks. But some of them aren't so pleasant.
** Captain Falcon's Final Smash knocks a couple of characters near him onto an F-Zero track, where they look up to see Captain Falcon racing towards them in his Blue Falcon, which crashes into them and sends them flying. Anyone sensitive to real-life car accidents are better off not thinking about that one too much. Plus, most F-Zero machines usually go over 900 km/h on a regular basis, so getting hit by something that fast WILL hurt. And finally, using it against the younger fighters (Toon Link, Ness, Lucas, etc.) may make it a little [[AdultFear uncomfortable]] to watch, even if said young fighters are perfectly capable of holding their own in a fight, they're still kids.
** Mr. Game & Watch's Final Smash involves him turning into a giant octopus that hovers around with its undulating tentacles, with a constant ominous and unnatural humming sound throughout the whole thing.
** When Pit summons Palutena's Army, the Centurions actually die after striking the enemy, as pointed out by the trophy: "their deaths are not in vain".
** Luigi's Final Smash, the Negative Zone, is an [[YouCannotGraspTheTrueForm incomprehensible]] attack that inverts the colors of an area and makes opponents easier to knock away and gives them status effects. It's supposedly the manifestation of Luigi's negativity.
* Link has an alternate costume that turns him into Dark Link, complete with black clothes, grey skin, and red eyes, which, while freaky, isn't too bad. Toon Link on the other hand, with his bigger, cat like eyes, also has a Dark Link alt, resulting in a much creepier costume. They both retain these in the next installment as well.
* Even without prior knowledge of the VideoGame/{{Mother}} series, the boss battle against Porky is scary, either for the spider robot or for the boy in question - Porky - trapped inside it, apparently screaming; in fact, the entire Ruined Zoo level seemed to be slight-to-extreme Nightmare Fuel, because of how it contrasts with the brightness of the SSB world, and starts with Lucas from VideoGame/{{Mother 3}} chased by [[ImplacableMan an unstoppable Pig King statue]]. Prior knowledge of both Porky from Videogame/EarthBound and the actual Ruined Zoo from the first VideoGame/{{Mother|1}}, if added to the picture, makes it worse.
* This game's rendition of the [[https://www.youtube.com/watch?v=EHQ43ObPMHQ already creepy Luigi's Mansion theme]] was made [[https://www.youtube.com/watch?v=wjdgxK44ctQ even creepier]].
* Norfair in SSBB has lava plumes and occasional lava run-off appearing on left or right taking that portion of the screen, and sometimes, a huge lava flow comes straight at the screen and you have to take shelter from it.
* The conversation with the Colonel if Snake uses the radio successfully while facing Luigi. They begin with discussing Luigi's second banana status but eventually move on to Luigi's magic powers. Suddenly the Colonel trails off and starts chanting "Lalulelilo... lalulelilo...": so either the Colonel is actually [[spoiler:the fake Colonel from MetalGearSolid2]], or Luigi just took over his mind. It's kind of creepy either way.
[[/folder]]

[[folder: Super Smash Bros for Nintendo 3DS and Wii U]]
* Master Core, the TrueFinalBoss of Super Smash Bros for 3DS and Wii U is perhaps ''the'' most terrifying thing in this entire series.
** To get to it, you have to play Classic Mode on 5.1 Intensity or higher. You'll come across a path separate from Master Hand where it appears you'll be facing Master Hand and Crazy Hand. Choose that path, and you'll be facing a more intense battle between the hands, and the battle proceeds as normal, and then you do enough damage to Master Hand. Then... something goes '''''horribly wrong'''''. Crazy Hand suddenly disappears while Master Hand floats to the center of the stage, and the hand writhes and convulses before exploding open. A black mist fills the stage, comes together, and at long last, we see '''Master Core'''. You see that ''[[YouCannotGraspTheTrueForm monstrosity]]'' at the top of the page? That's what you're facing. This shapeshifting [[EldritchAbomination abomination]] is the first true SNKBoss for VideoGame/SuperSmashBros, and it's horrifying and difficult from the beginning of the fight to the very end. For every significant hit you land, it sprays a ''bloodlike fluid'' for a few moments. Plus, the black, perpetual writing substance it commands, known as The Swarm, [[InterfaceScrew covers up its name and percentage on the touch screen]]. Oh, and if you play on 8.0 or higher Intensity (9.0 in Japanese versions), [[OhCrap you're forced to take this path and you MUST fight it]]. [[SarcasmMode Have fun!]]
** Let me repeat that. Crazy Hand, the ''embodiment of destruction'' in the Smash universe flees when Master Core is released.
** The boss has multiple forms depending on the Intensity you're playing on. The higher it is, the more forms there will be. At the highest intensity, here's what you'll face:
*** Master Giant is the first form you face. It is a giant humanoid shadow golem that spurts out two extra arms. It's powerful and can even ''pick up the stage and send you straight into some energy blasts''. It can also tip the stage with you still on it to throw you off. To say nothing of its [[MakeMeWannaShout shockwave attack]], where the golem starts shaking violently before letting out a ''chilling'' scream that can push you right off the stage. [[AlternativeCharacterInterpretation One way to interpret]] this form in particular seems [[TragicMonster a little sad]], seeing how it looks like it is ''in pain'' when it uses certain attacks. Before unleashing its energy wave attack, it will grab its head and shake erratically. It clenches its chest and shudders before forming two extra arms to grab the player, and recoils as it withdraws them. One of its attacks even involves forming a huge, tumor-like growth on its head, which the golem struggles to support. Still unnerving, but somewhat sad if given thought, especially with how it sounds like it screams after you defeat the final form.
*** Master Beast is the second form you face. It is a quadruped beast with a scorpion-like tail, which can also topple the stage and throw it out of balance as it jumps around, as well as temporarily go into the background and then charge straight onto the stage, chomping your character, usually knocking them out.
*** Master Edge/Sabres is third form you face, which consists of five swords that can do lots of damage pretty quickly, easily comboing your character and juggling them.
*** Master Shadow is the fourth form you face, a giant sized version of your character in the same shadow-like mist, turning the match into a MirrorBoss.
*** And finally, the Master Core itself: the last form just looks like a bigger Smash Ball. There's seemingly no time limit, and all you have to do is rack up enough damage to send it off stage. But... if you take too long to kill it, [[https://www.youtube.com/watch?v=WXK0FDsSx-g it'll actually rise up and kill YOU!]] But if you manage to [[http://youtu.be/EUaWCiEGpxM?t=3m30s dodge its attack]], it'll actually ''self-destruct''. And, if you listen closely after you send it off stage, you can hear something that sounds like ''screaming''.
** Suffice to say, the internet was [[SurpriseCreepy pretty surprised and creeped out]] when one streamer came across this boss. Incidentally, the player who fought it was using Kirby, who is basically known for fighting [[EldritchAbomination these abominations]].
--> '''Anonymous:''' "Kirby fighting an EldritchAbomination as a final boss. If I didn't see Final Destination, you could have told me this was a new Kirby game and [[NightmareFuel/{{Kirby}} I would have believed you]]."
** [[https://www.youtube.com/watch?v=RUmrwLvmSfc The music]] as you're fighting this... thing, is eerie, creepy, dire, and tense. It gives you the feeling that you REALLY should not lose. It's essentially the main theme of the game, but all corrupted, and it sounds... wrong. There's one part of the track that sounds like a cassette tape played in reverse, among the next part. And, here is the ''[[SarcasmMode best part]]'': Nearly two minutes into this wonderfully chaotic track, it [[NothingIsScarier goes silent for a bit]], and there's some beeping. It's morse code, and it spells out: [[spoiler:'''''[[TheFourthWallWillNotProtectYou Master Core]]''''']].
** There is actually an exclusive form in the Wii U version... [[spoiler:''Master Fortress''.]] The exact workings are unknown at the time of writing... But what ''is'' known is that Master Core has become an [[spoiler:''EldritchLocation'', complete with internal veins along the walls and what appears to be ''stomach acid!'' Additionally, it has some sort of self-defense mechanism with creatures what look like different types of enemies made out of the Swarm. Even what it appears to be its immune system tries to destroy your character. It was already terrifying enough when it ''didn't'' have a biology!]]
** You are given [[spoiler:a Heart Container]] before entering into [[spoiler:Master Fortress]]. Any player can expect to die at least once against Master Core's other four forms; being given [[spoiler: a Heart Container]] to prepare for [[spoiler:Master Fortress]] basically screams "YOU WILL DIE HERE".
* In the [[https://www.youtube.com/watch?v=7xUWnQu2Grs Smash Bros Direct video]], there are points where they show you a close up of a trophy and you're invited to guess who the trophy depicts. Well, one of the trophies LOOKED like Palutena from the back... but then it was revealed to be the nightmarish Pseudo-Palutena from VideoGame/KidIcarusUprising, [[JumpScare making for a surprisingly creepy reveal]]. The [[SoundtrackDissonance upbeat Kid Icarus victory theme playing]] didn't help matters.
* The [[VideoGame/KidIcarusUprising Orne]], much like the Ultimate Chimera in Brawl, does a OneHitKill. While the Chimera is simply a goofy-looking magenta lion-like creature, the Orne looks[[http://i.imgur.com/Jn90UpN.jpg a little less goofy]].
* There is something unsettling about the way [[http://www.smashbros.com/images/character/lucina/screen-7.jpg Lucina's looking at Luigi]], and the Final Smash's glowy affects are not helping at all.
* 9-Volt's "Gamer" mini-game from ''[[VideoGame/WarioWare Game and Wario]]'' is a stage in the Wii U version and 5-Volt is as terrifying as ever. 5-Volt is 9-Volt's mom and she appears in his room, trying to catch him playing video games when he should be asleep. But her appearances, [[ScareChord accompanied by the music]], make her [[GlowingEyesOfDoom absolutely]] [[RedEyesTakeWarning terrifying]], much more terrifying than a regular mom should be!
* Wii Fit Trainer, a newcomer to the series, has some traits that make them a little stranger than the other fighters.
** Their pale white skin and extremely faint facial features make them fall into the UncannyValley.
** Their cries of pain when they get hit are a bit unnerving, considering how emotional they are in contrast to their other calm and collected voice clips.
* Little Mac's Wire Frame hoodie costume can look [[UncannyValley more than a little creepy]]. Especially the victory poses where Doc Louis cheers him on and he strikes his badass poses, but under the neon green hoodie isn't a human face, all you see is a [[TheFaceless neon green grid]]. Doesn't help that the Wire Frame costumes are TheVoiceless, making it unsettling during battle, especially since Little Mac can be one of the more devastating characters.
* Shortly after the Wii U version was released, a player's copy of the game was glitched, which distorted the character models to look like [[http://cdn.nintendonews.com/wp-content/uploads/2014/11/super_smash_bros_characters_distorted_1.jpg this]], [[http://cdn.nintendonews.com/wp-content/uploads/2014/11/super_smash_bros_characters_distorted_4.jpg this]], or [[http://cdn.nintendonews.com/wp-content/uploads/2014/11/super_smash_bros_characters_distorted_5.jpg this.]] There's even [[https://www.youtube.com/watch?v=OhgUm-DG5OY video proof]].
* The Amiibos, in all honesty, can come off like this, when one realizes that Nintendo has created AI that actually adapts and learns from you, working to become better and eventually outclass you by learning your every move. This is the shit sci-fi movies are made of.
[[/folder]]

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