Special Stage (Sonic Chaos), Sonic Wiki Zone

Special Stages in Sonic Chaos are a series of five extra levels. The player can enter one of these Special Stages, each with their own unique features to utilize, to obtain one of five Chaos Emeralds (the sixth is earned through normal gameplay). To enter the Special Stage, the player must be playing as Sonic the Hedgehog and collect one hundred Rings from any of the two Acts in a Zone. The screen will then flash and the player is taken to the Special Stage. Once Sonic has all the Chaos Emeralds

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Special Stage, Sonic Wiki Zone

Special Stage (Sonic Chaos), Sonic Wiki Zone

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Zone: 0 > Sonic 1 > Other Modes