Passwords for extra cards
In Emerl's story, go to sonicteam near the highway and type in these cheats
Amy-alogK
Chaos-EkiTa
Cream-ZAhan
E-102-tSuet
Knuckles-yU3Da
Rouge-AhnVo
Sonic-75619
Tails Combo Card
In Emerl's story use this code: OTrOI
Shadow combo card
In Emerl's story use the following code: ArmIa.
Play As Chaos 0
Defeat Chaos 0 during Emerl's story line.
Play As Gamma
Defeat Gamma during Emerl's story line.
Fly And Get Mini-game
Successfully complete Tails' episode in story mode.
Green Hill Zone Level
Successfully complete story mode with all characters.
Mine Hunt Mini-game
Successfully complete Knuckle's episode in story mode.
Soniclash! Mini-game
Successfully complete Sonic's episode in story mode.
Speed Demon Mini-game
Successfully complete Shadow's episode in story mode.
Treasure Island Mini-game
Successfully complete Amy's episode in story mode.
Emerl Combo Cards'
In Emerl's story, go to Central City and go to the sonicteam building and type in these codes, 75619 for Sonic's, OTrOI for Tails', yU3Da for Knuckles', ArmIa for Shadow's, AhnVo for Rouge's, alogK for Amy's, ZAhan for Cream's, tSueT for Gamma's, and EkiTa for Chaos'. If you ask me I would say that Shadow's is the best.