This page contains Sonic Adventure DX Unlockables for Gamecube called "Mission mode" and has been posted or updated on Jul 13, 2007 by ariesba.
- Developer: Sonic Team
- Publisher: Sega
- Genre: Action Platformer
- Release: Jun 18, 2003
- ESRB: Everyone
Beat the game in adventure mode with all characters to unlock the "Mission Mode" option at the main menu.
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