Japanese Voices
Change your Xbox's system language to "Japanese" and then start the game. The original Japanese voices will replace the American ones.
Super Hard Difficulty Setting
Successfully complete the game with all 'A' ranks and 141 emblems.
Metallic Team Sonic Characters In Two Player Modes
Select a two player mode. Hold A + Y when making a choice at the character selection screen. Keep the buttons held through the level selection screen and release them when game play begins.
Metallic Characters In Single Player Mode
Collect 141 emblems in single player story or challenge mode.
Team Chaotix Song
Successfully complete story mode as Team Chaotix.
Team Rose Fmv Sequence
Successfully complete story mode as Team Rose to unlock their FMV sequence in the CG Theater.
Team Dark Fmv Sequence
Successfully complete story mode as Team Dark to unlock their FMV sequence in the CG Theater.
Team Chaotix Fmv Sequence
Successfully complete story mode as Team Chaotix to unlock their FMV sequence in the CG Theater.
Two Player Team Battle Mode
Collect 20 emblems in single player story or challenge mode.
Follow Me Song
Successfully complete story mode as Team Rose.
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