Cheats, Codes & FAQs
Unlock Chaos 0
Defeat Chaos 0 during Emerl's story line.
Defeat Gamma during Emerl's story line.
Fly And Get mini-game
Finish Tails' episode in story mode.
Green Hill Zone level
Finish story mode with all characters.
Mine Hunt mini-game
Finish Knuckle's episode in story mode.
Finish Sonic's episode in story mode.
Speed Demon mini-game
Finish Shadow's episode in story mode.
Treasure Island mini-game
Finish Amy's episode in story mode.
Professor Gerald's Journal
After completing all the episodes in story mode, go back and play each episode again. At the end of each episode you will see an entry from Professor Gerald's Journal, which explains his experiments on Emerl and more about Emerl's past as a battle weapon.