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A Wii game, fighting game and rated T for Teen.
NO !
as a new smash bros. game. as a new super smash bros. game.
Knuckles does not appear in Super Smash Flash 2 (v.0.8) but he is expected to be a playable character in the full game.
No. Super Smash Flash is a Flash-based fan game designed to be like Super Smash Bros.