Super Smash Bros. for Nintendo 3DS and Wii U
Super Smash Bros. for Nintendo 3DS and Wii U
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Super Smash Bros. Part 4 - Did You Know Gaming? Feat. Yungtown
 
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On page 292 of the Prima Guide for Super Smash Bros. 3DS / Wii U, it shows a beta image of the roster containing the Mii Brawler icon. Although the individual Mii fighters do not have their own icons in the final game, the unused icons for the Brawler as well as the Mii Swordfighter and Mii Gunner can still be found in the game's data.
Contributed by GamerBen144
The game contains an unused costume selection for Roy, which uses his default color palette without his cape and comes with a number of minor texture differences.
Contributed by MeleeWaluigi
Many of the koopalings' star KO screams are recycled from Super Mario Bros. U.
Contributed by MeleeWaluigi
In the June 14th, 2015 Direct, Sakurai stated that the Suzaku Castle stage was the first in the series to have music that changes as the timer gets close to zero. This is false, as the Mushroom Kingdom stage of Super Smash Bros., and the Mushroom Kingdom and Mushroom Kingdom II stages of Super Smash Bros. Melee all have music that changes as the timer gets close to zero.
Contributed by Takahashi2212
The reveal trailer for Roy shows him taunting in front of the Spicy Curry item. This is actually a reference to a Japan-only Super Smash Bros. Melee photo contest. The winner was a photo called "The Ultimate Curry", which depicted Roy taunting in front of the Curry food item.
Contributed by Takahashi2212
The image of Mario and Luigi carrying gifts for Bayonetta is a possible reference to Bayonetta 2, in which Enzo carries Bayonetta's gift boxes in the game's opening cutscene.
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If Little Mac accrues 100% of damage during a match, bruises and tape will appear on his face.
Contributed by MeleeWaluigi
Despite R.O.B. having his grey and white palette in the American version instead of his red and white palette, his Final Smash trophy shows him with his Famicom color palette no matter what version of the game is being played.
Contributed by JelloBoyInc
When performing Bayonetta's forward throw Tetsuzanko, she'll occasionally say "Juu'nen Hayain Dayo!" which in English translates to "You're Ten Years Too Early!".

This is a reference to one of the the win quotes of Akira Yuki from the Virtua Fighter series in which the Tetsuzanko is also one of Akira's signature moves. This move was also possible in Bayonetta.
Contributed by SkyminHAZBOZ
There is an unused Game Over jingle leftover in the game's files. The song is not used anywhere in the game.
Contributed by MeleeWaluigi
In the Wii U version, there is unused text that says:

Unlocked the Gamer stage! Beware the mother's gaze!
Unlocked the Temple stage! Time to fight way above the clouds!


This most likely meant the Temple and Gamer stages were going to be unlockable stages at one point.
Contributed by MeleeWaluigi
The match end tune from Street Fighter II can be found in the game's files. However, a remix of this tune was used instead for Ryu's win theme. The unused tune was most likely a placeholder during development.
Contributed by MeleeWaluigi
Corrin from Fire Emblem Fates nearly didn't make it into the game because Super Smash Bros. creator Masahiro Sakurai thought that they had already included too many Fire Emblem characters.
However, Sakurai's team thought that Corrin would be a unique fighter and convinced him to include the character in the game.
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According to Masahiro Sakurai, in an interview with Famitsu, the reason for the addition of the fighter Duck Hunt was for two reasons. The first reason was that he had an interest on adding them for a long time, but was also because of the uniqueness of the character. The second reason was because of the high sales of the game, and he deemed that the game was the high-selling shooting game in the USA.
Contributed by GamerBen144
The Epona trophy is taken from the 3DS release of Ocarina of Time, rather than the original Nintendo 64 release.
Contributed by Kakariko Kid
Bowser Jr. takes less damage from any attacks that hit his clown car and not his body.
Contributed by MeleeWaluigi
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Masahiro Sakurai wanted Geno to appear as a playable fighter, as he also wanted to include him previously in Brawl, and thought he felt suited for the series since he has a gun for a hand. However, in the end he wasn't included, but instead appearing as a Mii Costume.
Contributed by KnowledgeBase
In the game's files for Mario Circuit is textures for Toads Kart and Toad himself, this suggests that Toads would of raced instead.
Contributed by noobheadz
In the Taiwan and Hong Kong websites of the Super Smash Bros. for Nintendo 3DS websites, one of the photos is actually taken from the Wii U version. The Wii U version was not released in Taiwan or Hong Kong yet, and was likely just an oversight of the developers.
Contributed by GamerBen145
The promotional artwork for Ryu is a reference to the Street Fighter 2 World Warriors arcade artwork.
Ryu is the first playable character in the Super Smash Bros. series to have two different final smashes.
Contributed by MeleeWaluigi
An alternate version of Kirby saying "Hi!" for his down taunt can be found in the game's files. This version sounds closer to the ones heard in previous games than the one used in the final game.
Contributed by Boyobmas
Because the 3DS needed third party support when it was first released, Nintendo appreciated Namco's efforts on Tekken 3D: Prime Edition, and the two companies became closer. This eventually led to Namco Bandai assisting Nintendo in developing Super Smash Bros. for Nintendo 3DS and Wii U.
Contributed by Stryker94
Super Smash Bros. 4 is the first game in the Super Smash Bros. series where Falco is not unlocked by completing 100-Man mode. This condition was instead given to Wario.
Contributed by AkiraTheWarrior
It was considered to make Alph a clone of Olimar with the ability to use Rock Pikmin. However, this idea was scrapped and Alph became a costume swap instead.
Contributed by AkiraTheWarrior
According to Masahiro Sakurai in an interview, Pac-Man would have been removed from the roster if Bandai Namco had rejected his redesign of the character with a more classic Pac-Man appearance, as he considered it superior to the designs used in Pac-Man and the Ghostly Adventures.
Contributed by AkiraTheWarrior
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Tekken's Heihachi was briefly considered for the roster, but was ultimately replaced with Ryu. The team thought that implementing Heihachi's moveset into the game would have been difficult. He was given a Mii costume, however.
Contributed by RuckasFavNucka
Lucario's Allstar Mode picture references the 8th Pokemon movie, Lucario and The Mystery of Mew. The picture has the Villager (in their 8th alternate outfit) offering Lucario some chocolate, in reference to a scene in the movie where Max offers Lucario some chocolate.
Contributed by JelloBoyInc
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Tingle's trophy chronology only mentions his appearance in Majora's Mask. Which is odd considering Tingle's Wind Waker design is used for the trophy, and his role in Wind Waker is mentioned in the trophy's description.
Contributed by Boyobmas
Mewtwo's character art uses the same pose as the one in Super Smash Bros. Melee.
Contributed by noobheadz
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Takamaru was once considered as a possible playable character in Super Smash Bros. for 3DS and Wii U. According to Masahiro Sakurai, due to his low popularity, he was included as an Assist Trophy instead.
Contributed by Naui
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The texture for the Skull Kid assist trophy contains an unused portion which seems to be the flute he used in Ocarina of Time and Majora's Mask. It is unknown what it could have been used for, though it's likley he was supposed to use it in some way when the player summons him.
Contributed by Boyobmas
When using Pac-Man's Up taunt, the Namco Roulette taunt, various characters from other Namco games will appear:

• Clovis from Dragon Buster
• Don from Taiko no Tatsujin
• Fighter from Bosconian
• Fighter from Galaga
• Galaxip from Galaxian
• Ghost from Pac-Man
• Gilgamesh from The Tower of Druaga
• King from King & Balloon
• Mappy from Mappy
• My Car from Rally-X
• Paccet from Baraduke
• Pooka from Dig Dug
• Red Baron from Sky Kid
• Secret Fighter from Gaplus
• Solvalou from Xevious
• Topcup from Libble Rabble
• Andor Genesis from Xevious
• Valkyrie from Valkyrie no Densetsu
• Runner from Metro-Cross
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If the player reflects the Starman enemy's projectile, the "SMAAAASH!!" graphic from Earthbound will flash and the starman will be instantly killed.
Contributed by GoldenFloor
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The Super Smash Bros for Wii U game disc contains an unused character file simply titled "Rhythm". This could mean that a character from Rhythm Heaven was intended to exist in game, but was cut during development.
Contributed by Jodapaed
The game originally had a 4th set of custom moves for all characters. By hacking the game it is possible to activate them, although most of the moves are unfinished, and do not deliver damage.
Contributed by Yoshispacedragon
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The dollar bills that are collected in the Wii U's Coin Battle mode have an image of Nintendo's Japanese Headquarters printed on them, as well as a photo and signature of series creator/director; Masahiro Sakurai.
Contributed by Boyobmas
The only virtual console game that doesn't appear within the masterpieces menu in the International release of the game is "Fire Emblem: Shadow Dragon and the Blade of Light", as this title was never translated or released anywhere but in Japan.
Contributed by Ophl
In Super Smash Bros for Wii U the trophy titled "Hocotate Bomb" states that it appears in Pikmin and Pikmin 2 even though it appears in Pikmin 2 and Pikmin 3.
Contributed by JiraiyaSennin
In Super Smash Bros for 3DS the trophy titled "Luigi (With Poltergust 3000)" is actually wrong. The Poltergust that Luigi is wearing is actually the Poltergust 5000 from Luigi's Mansion: Dark Moon, which can be noted by the green light on the back of it.
Contributed by JiraiyaSennin
This is the first time both Master Hand and Crazy Hand have in-game announcer calls that are used.
Contributed by Rainbow Pancake
Kongo Jungle is the only past stage from the original game to return, with the exception of DLC.
Contributed by Rainbow Pancake
Some of the Boxing Ring Stage titles contain references and easter eggs.

Luigi's, "The Eternal Understudy", is a reference to his unlock screen in the original Super Smash Bros..

Fox's title in the European version "Never Gives Up! Trusts His Instincts!" is a reference to a line in Starfox 64 said by Peppy in the Asteroid Belt level (and later on said by Fox's father).

Kirby's European title "Gritty in Pink" is a reference to the movie "Pretty in Pink".

Sonic's European title "Speed is his Game" is a reference to one his popular quotes "Sonic's the Name, Speed's My Game!".

Pikachu and Jigglypuff's European titles are actually just their Pokedex names.
Contributed by Takahashi2212
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The Hyrule Temple stage has Hylian text written along many platforms that when translated to English reads "Smash Brothers". This was illegible in previous versions of the game.
Contributed by YellowTangerine
Many of the Boxing ring titles were changed when the game was brought to the PAL Region:
• Mario: "Mr. Video Game Himself" became "Smashes Bricks with his Fist."
• Luigi: "The Eternal Understudy" became "Lean, Green Fighting Machine."
• Peach: "Princess of Toadstools" became "Princess of the Mushroom Kingdom."
• Bowser Jr.: "The Prince of Koopas" became "Like Father, Like Son."
• Larry Koopa: "The Youngest" became "Leader of the Seven Minions."
• Roy Koopa: "The Cool One" became "Fear the Shades."
• Wendy Koopa: "The Bold Beauty" became "Bold, Bossy, and Big-Headed."
• Morton Koopa: "The Enforcer" became "He'll Make You See Stars."
• Lemmy Koopa: "Wacky War Machine" became "Let's Get Wacky."
• Yoshi: "Omnivore of the Year" became "He's Not Yolking Around."
• Diddy Kong: "The Acrobat" became "Trigger Happy with His Peanut Popgun."
• Little Mac: "Bruiser from the Bronx" became "The Only Numbers He Knows Are 'One-Two'."
• Sheik: "The Illusive Sheikah" became "A Sheikah Shrouded In Mystery."
• Ganondorf: "The King of Darkness" became "The King of Evil."
• Toon Link: "Wind-Waking Warrior" became "Wave-Riding, Wind-Waking Warrior".
• Zero Suit Samus: "The Warrior Within" became "Low Armour, High Agility".
• Pit: "Captain of Lady Palutena's Guard" became "Lady Palutena's Captain of the Guard".
• Marth: "The Hero-King" became "The Legendary Hero-King."
• Ike: "The Radiant Hero of Legend" became "The Radiant Hero".
• Robin: "The Tactician Magician" became "The Tome-Toting Strategist".
• Kirby: "The Pink Puffball" became "Gritty in Pink".
• Duck Hunt (Duo): "Bark, Quack, Boom!" became "The Most Unlikely of Partnerships".
• King Dedede: "The King of Dream Land" became "Says He's King, and That's That".
• Fox: "Leader of Star Fox: became "Never Gives Up! Trusts His Instincts!".
• Pikachu: "Pika Pika!" became "The Electric Mouse Pokemon".
• Lucario: "Master of Aura" became "Exudes Power".
• Jigglypuff: "The Sleepy Singer" became "The Delightful Balloon Pokemon".
• Greninja: "Master of Stealth" became "The Unpredictable Ninja Pokemon".
• R.O.B.: "The Last of His Kind" became "Robotic Obliterating Buddy".
• Captain Falcon: "The Supersonic Slugger" became "The Supersonic F-Zero Pilot".
• Wii Fit Trainer (F): "The Yoga Warrior" became "She'll Make You Feel The Burn!".
• Shulk: "The Visionary" became "Has Visions of Victory".
• Dr. Mario: "The Prescriber" became "Fists Full of Medicine".
• Lucina: "Warrior from a Doomed Future" became "Defiant of Destiny".
• Pac-Man: "The Yellow Bane of Ghosts" became "Ghost-Gobbler".
• Sonic: "The Blue Blur" became "Speed is His Game".
• Mega Man: "Blue Metal Hero" became "The Blue Bomber".
• Wii Fit Trainer (M): "The BMI Bandit" became "He'll Blast Your Core!".
• Alph: "Astronaut in Training" became "Novice Explorer, Engineering Pro".
Contributed by Takahashi2212
This is the only game in which Kirby doesn't have a new dash attack, but instead reuses the one from Super Smash Bros. Brawl.
Contributed by noobheadz
According to Masahiro Sakurai, Bowser Jr. was very close to not being included in the game's roster.
Contributed by AkiraTheWarrior
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The Porky Minch trophy's game chronology only mentions his appearance in Earthbound and not Mother 3, even though the trophy description mentions both games and the trophy's design is taken from Mother 3.
Contributed by Boyobmas
Metal characters reflect daytime Town and City, even at night.
Contributed by noobheadz
Bowser is the only veteran in the game to not have his victory theme ripped straight from Super Smash Bros. Brawl.
Contributed by alienator2013
When the track Wrath of The Reset Bomb is played while on the Reset Bomb Forest, it will actually sync with what is happening on the stage, and as a result, pausing the game will stop the track
Contributed by alienator2013
Chrom was originally intended to be a playable character in the game, but was replaced with Robin as Sakurai thought he'd play too similar to Marth and Ike, and that Robin would be a more unique character. Chrom still however appeared as a part of Robin's Final Smash.
Contributed by CuriousUserX90
During the song "Master Core" (which plays when fighting the identically-named boss in Classic Mode), the instruments will silence after 1 minute and 53 seconds and a series of beeps will play for six seconds before the instruments start playing again. These beeps are Morse Code for "MASTER CORE".
Contributed by game4brains
If Shulk is on the Gaur Plains stage when Metal Face appears, Metal Face will occasionally say unique taunts.

The taunts are:
• "If it isn't the puny boy himself.You miss me?"
• "Hey, Monado boy, I don't think you can hurt me with that thing"
• "OH! It looks like Monado boy's been practicing"
• "If the brat's here, I bet Dunban can't be far behind."
Contributed by alienator2013
The amiibo figures sold alongside the game are well known for having a number of defect units. These include, but are likely not limited to:
• Samus having 2 cannons instead of 1.
• Marth having 2 swords instead of 1.
• Peach having no legs.
• Luigi missing his left hand.
Contributed by Dazz
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When Pit gets KO'd he'll sometimes say, "I'm Finished". This is a reference to the original Kid Icarus Game Over screen.
Contributed by Sourbro
The trophy for the Lurchthorn enemy from Kid Icarus: Uprising references Superman. The first sentence reads, "Is it a bird? Is it a plane? No, it's... some kind of giant fossilized fish."
Contributed by Dreadedpotato
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In the Boxing Ring stage of the Wii U version of the game, character aliases appear on the screen in the background which reference other games or early concepts, such as Mario's being "Mr. Video Game Himself" referencing his early name "Mr. Video", and R.O.B.'s being Spoiler:"The Last of His Kind", referencing the events of Subspace Emissary from Super Smash Bros. Brawl in which Spoiler:the other R.O.B.s were destroyed.
Contributed by JelloBoyInc
While Xander Mobus, the game's announcer, recorded a shout of the game's name (much like Super Smash Bros. Melee), it went entirely unused in the final game's release.
Contributed by Takahashi2212
Unlike all previous entries in the Smash Bros. series, Jigglypuff uses the standard Pokemon palette as apposed to her shiny palette. This is most noticeable in her eye color.
Contributed by Psychospacecow
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According to Masahiro Sakurai, the Orbital Gate Assault stage took one year to create.
Contributed by Boyobmas
The description for the "Souflee" trophy from Kid Icarus reads, "We could tell you it's a cake, but that would be a lie". This is a reference to running gag through the first Portal game, stating that "the cake is a lie".
Contributed by Thewelshyoshi
Mega Man's alternate color swaps are all taken from possible weapon colors used in previous Mega Man games:
• Red and White - Rush Coil from Mega Man 3
• Green and White - Leaf Shield from Mega Man 2
• Gold and Brown - Metal Blade from Mega Man 2
• Blue and White - Air Shooter from Mega Man 2
• Green and Yellow - Slash Claw from Mega Man 7
• Red and Black - Flame Blast from Mega Man 6
• Yellow and Black - Top Spin from Mega Man 3
Contributed by noobheadz
When initiating Palutena's guidance as Pit when fighting against a Mii gunner, the Nintendo Wii's code name "Revolution" is referenced when Viridi refers to the Mii gunner's motion controlled arm cannon as "revolutionary".
Contributed by Psychospacecow
When initiating Palutena's guidance as Pit when fighting against Shulk, Pit will make several quotes to popular phrases used in Xenoblade Chronicles, such as "What a bunch'a jokers" and "Let's not lose our 'eads, though."
Contributed by Dazz
Lucina is the only unlockable character who was officially revealed prior to the game's 3DS release and is the first female unlockable character in the Super Smash Bros. series.
Contributed by ClaudX
Some of Meta Knight's palette swaps resemble other characters from the Kirby series.
• His Pink palette is designed to resemble Kirby.
• His Purple palette resembles Galacta Knight's appearance in Super Super Star Ultra's "Meta Knightmare Ultra" mode.
• His Grey palette resembles Dark Meta Knight.
Contributed by noobheadz
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Originally, Flying Man had both a 2D and 3D model for when he appears on the Magicant stage. The 3D model was scrapped however, to lessen strain on the 3DS hardware.
Contributed by Rainbow Pancake
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Jigglypuff's character model in the 3DS version is recycled from the model used for Jigglypuff in Pokemon X & Y.
Contributed by Dazz
During Palutena's Temple, Palutena, Viridi and other characters from Kid Icarus will converse with Pit about the character you're fighting against. This is similar to how Snake in Super Smash Bros. Brawl could use his codec to converse with either Colonel Campbell, Mei Ling, or Otacon when in Shadow Moses Island.
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As the Villager does their final smash attack, Tom Nook actually throws furniture into the house being built. There's even a chance he will throw in a Triforce from The Legend of Zelda, as it can be collected in some of the Animal Crossing games as a house decoration.
Contributed by Boyobmas
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There is a glitch in the 3DS release that allows Yoshi to grow infinitely larger. If a Yoshi eats and re-lays a big Yoshi, the larger Yoshi will hatch larger than before.
Contributed by billebobfacts
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Charizard's purple alternate color is possibly a reference to his shiny sprite in Pokemon Gold and Silver. Including purple skin, a grey-white belly and dull green wings.
Contributed by Yoshiwaffle
After obtaining every Mii outfit, the game will give you a notification reading, "Collected every type of custom outfit! Your body is ready!" A reference to ##Nintendo## of America CEO Reggie Fils-Aime's popular quote from E3 2007, "My body is ready!", which has since become a popular meme.
Contributed by Takahashi2212
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When pausing the 3DS version during a match, the player models are switched to a higher resolution version of the fighter's model. Within the game's data are 2 models for each figher, both paused and unpaused.
Contributed by Dazz
When Mega Man gets KO'd, his KO explosion has blue spheres coming out from where he was KO'd. Mega Man is the only character in the game to have a unique KO explosion, and is a reference to his death animation from the Mega Man series of games.
Contributed by JelloBoyInc
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In the Magicant stage, a stage hazard called the Flying Man can be recruited by players to fight alongside with them until it gets knocked off stage by another player. Each time the Flying Man is defeated, a tombstone appears near where they would normally spawn. Once five tombstones have taken place, the Flying Man will no longer spawn during the round, much alike their roles in Earthbound Zero/Mother and Earthbound/Mother 2, in which five of them are recruitable and will not come back once they are defeated, signified by the addition of tombstones near their house as each one dies.
Contributed by G-Haven
According to the game's director, Masahiro Sakurai, the reason for Sheik and Zero Suit Samus appearing as separate characters is due to the limitations of the 3DS not being able to have them transform from their respective characters. This option was made because Sakurai wanted both versions of the game to have same roster.
Contributed by gamer94
Megaman's up-tilt, the Mega Upper, is from his Marvel Vs. Capcom moveset. However, it originated from Mega Man 2: The Power Fighters.
Contributed by Takahashi2212
Donkey Kong's audience cheer is a reference to the DK Rap from Donkey Kong 64 in chant form.
Contributed by Boyobmas
Frequently using Little Mac's taunts, there's a slight chance that Doc Louis can be heard giving some advice. Each taunt has a unique sound clip.
Contributed by Boyobmas
In the North American version, the Mario Kart Shy Guy trophy states that he made his racing debut in Mario Kart 7. This technically is false, as Shy Guy could be played in Mario Kart DS, but only in download play for players who didn't own the game. This was fixed in the UK version by stating he was first selectable in Mario Kart 7.
Contributed by Boyobmas
The StreetSmash minigame is very similar to the Smash Ride minigame from Kirby: Squeak Squad, another game developed by HAL Laboratory.
Contributed by Boyobmas
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There are actually two different versions of the Balloon Fight stage. The layout is selected randomly, but the alternate form can be chosen by holding down the L button when selecting the stage.
Contributed by RoboBadnik
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Holding down the L button when selecting the Boxing Ring stage will change the design of the ring from Punch Out oriented to Super Smash Bros. oriented.
Contributed by RoboBadnik
Having specific character pairs fight each other in a normal 1v1 Smash fight results in personalized victory screens:

• Fox beats Falco:"Better luck next time, Falco."
• Falco beats Fox: "You're off your game, Fox."
• Male Robin beats Lucina: "Lucina, I hope I didn't hurt you."
• Female Robin beats Lucina: "How can you protect Chrom if you can't protect yourself?"
• Lucina beats Marth: "This is the Hero-King?"
• Lucina beats Ike: "And they call you the Radiant Hero?"
• Palutena beats Pit:"Oh, so sorry about that, Pit."
• Palutena beats Dark Pit: "Poor little Pittoo."
• Dark Pit beats Pit: "Where's your goddess now?"
Contributed by RoboBadnik
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Mario's blue and pink alternate outfit is based on his appearance in the original Mario Bros. arcade game.
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One of Princess Zelda's alternate outfits is the same as the design used in Super Smash Bros. Melee, based on her appearance in The Legend of Zelda: Ocarina of Time.
Contributed by Blase005
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Leaked screenshots show that there was originally a trophy for Tharja from Fire Emblem: Awakening, but it was removed from the final game. Some speculate this was because of her suggestive clothing that would have likely given the game a more mature rating from the ESRB. There has been no confirmation that this trophy was ever set to appear.
Contributed by Boyobmas
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Two of Zero Suit Samus' alternate costumes are based off of the perfect ending in Metroid: Zero Mission.
Contributed by RoboBadnik
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One of Little Mac's alternate costumes is a reference to the Punch-Out!! arcade game, where he was represented by a translucent array of green lines.
Contributed by LordoftheFlu
Holding down L before selecting the Dream Land stage in the 3DS version will cause the stage colors to change to black and white, instead of the usual black and green.
Contributed by Boyobmas
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The Pokemon Trainer trophy makes reference to the first opening theme music from the English dub of the Pokémon anime.

"Pop quiz! What do Misty, Brock, Cynthia, Iris, and Ash all have in common? That's right"”they're all Pokémon Trainers! This Pokémon Master in the making is the same. Back in Super Smash Bros. Brawl, he fought to be the very best"”like no one ever was. To smash them was his real test"”to launch them was his cause!"
Contributed by SOGESNAKE
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In the Japanese version, R.O.B's colors are red and white to represent the colors on the Famicom. The colors were changed to gray in the International version to represent the colors on the NES.
Contributed by Ophl
The song that plays on the results screen after a fight is the character select theme from the first Super Smash Bros.
Contributed by Takahashi2212
Sometimes when Luigi uses the green missile and he hits a wall, he will stick to the wall.
Contributed by noobheadz
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One of Little Mac's palette swaps is based on his appearance in Super Punch-Out!!.
Contributed by BillyTheKid
Kirby's dark blue alternate color with yellow eyes is designed after Meta Knight's appearance without a mask. This is based on Meta Knight's appearance after being defeated in Kirby's Adventure.
Contributed by noobheadz
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Within the game's data are a number of unused images that would have been displayed in the game's tutorial section.
Contributed by Dazz
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According to Masahiro Sakurai, the reason the Ice Climbers were cut from the roster is because of 3DS hardware limitations. He also states that he didn't want to add them exclusively to the Wii U roster to avoid there being considerable differences between the two versions.
Contributed by SOGESNAKE
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One of Mario's costumes in the game is the patriotic Mario skin from NES Open Tournament Golf released in 1991.
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One of Luigi's alternate costumes is based on his appearance in the Japan-only movie, Super Mario Bros.: Peach-hime Kyushutsu Dai Sakusen!.
Contributed by RadSpyro
According to the director of the Super Smash Bros. series, Masahiro Sakurai, Lucina was originally considered to be an alternate costume for Marth, but was eventually changed to be her own separate character with slight differences from Marth.
Contributed by Universal Arcana
All of the characters in the game were chosen at the start of development. This means Geninja was chosen before Pokemon X & Y was released, and that its inclusion was not because of its popularity.

There was an open slot for a new Pokémon character, and the team began discussing who to put in it, eventually settling on Greninja. All the reference material they had for Greninja were simply drawings at that point. Sakurai went home the same day he received the Greninja reference material and stayed up until midnight to do the motion capture for the character.
Contributed by DidYouKnowGaming
The Smash Run mode was influenced by the City Trial mode in Kirby Air Ride.
Contributed by gamerofgames
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When Toon Link is fighting, the Toon Link driving the Spirit Train is replaced with Alfonzo.
Contributed by CuriousUserX90