This page contains Sonic Adventure 2 Unlockables for Playstation 3 called "How unlock All Boss Attack Mode" and has been posted or updated on Oct 24, 2012 by michigan.
- Developer: Sonic Team
- Publisher: Sega
- Genre: Action Platformer
- Release: Oct 2, 2012
- ESRB: Everyone 10+
How unlock All Boss Attack Mode
After you complete the Hero, Dark and Last Story this All Boss Attack Mode will be unlocked at your 1-Player menu. At this "All Boss Attack Mode" you can play in one run against all Hero, Dark and Last story bosses.
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