This page contains Sonic Adventure DX Unlockables for Gamecube called "Mission mode" and has been posted or updated on Jul 13, 2007 by ariesba. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Sonic Team
- Publisher: Sega
- Genre: Action Platformer 3D
- Release Date: 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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