Chemical Plant (Sonic Speed Simulator), Sonic Wiki Zone

Chemical Plant was the sixth world in Sonic Speed Simulator. It was added as a part of the v1.6 update for the game. This world is a re-imagination of Chemical Plant Zone from Sonic Generations. It could be unlocked after the playable character has completed at least twenty-five races. It contained no card for unlocking new playable characters. Formerly, Chemical Plant was placed after Snow Valley in the level order. However, following the "Rebirth" update, it was removed from the game, and as s

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Sonic Speed Simulator - Wikipedia

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