This is Sonic 20th Fan edition! A sonic fan-game created for the celebration of sonic's 20th anniversary and the new sonic generations game coming this fall 2011. Play as Modern and classic sonic and load other fan-games into the sonic 20th video game.

Update: This is version 1 of the game. so act 3 vs boss stages and alternate stage tracks between acts 1 and 2 aren't inputed yet. wait until the next update for the upgrade.

Tags: sonic, the, hedgehog, generations, 20th, anniversary, aniversary, advance, adventure

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