* All April Fools' Day videos were hilarious surprises.
* Luigi's down-tilt attack was modified to make the same flatulent noise as being attacked by a Mr. Saturn. It is an amazing demoralizing tool.
* Snake has a taunt where he smokes a cigarette. It actually does 1 percent damage to him.
** It gets even funnier in Stamina Mode if he [[EpicFail only has 1 HP left]].
* Big Blue can get kind of crazy with no set boundaries in Stamina Mode.
* Zero Suit Samus and her alternate costume have been redesigned to [[ArtEvolution be more aesthetically consistent]]. So what does her Retro-inspired outfit look like? [[http://i.imgur.com/jYaZlXN.png It has legwarmers!]]