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Unlockable: Metal Sonic
Complete the game with Sonic, Knuckles, Silver, and Shadow.
Unlockable: Secret Forms
- Chaos Zero - Get every card in the game.
- Metal Sonic (2nd form) - Complete Metal Sonic's storyline, and get the Metal Madness, Metal Overlord, and Neo Metal Sonic cards.
- Super Shadow - Unlock all of Shadow's suits, complete his storyline, and beat all of the challenges as Shadow.
- Super Silver - Unlock all of Silver's suits, complete his storyline, and beat all of the challenges as Silver.
- Super Sonic - Unlock all of Sonic's suits, complete his storyline, and beat all of the challenges as Sonic.
- Tikal - Unlock all of Knuckle’s suits, complete his storyline, and beat all of the Colosseum Highway challenges as Knuckles.
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