Luigi – Clear Adventure on at least normal with Mario
Jigglypuff – Clear Adventure on any difficulty with any character.
Cloud – Complete 100-man melee with any character.
Crono – Clear 3-minute Melee.
Naruto – Clear Adventure with the original 13 characters.
Shadow – Clear Adventure with Sonic, Tails, and Knuckles
Super Sonic – Clear Classic with Sonic on Very Hard Difficulty without getting Game Over. (Known glitch that you may be on any difficulty and it will still work)
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