This page contains Sonic Advance 3 Unlockables for GameBoy Advance called "Play as Knuckles" and has been posted or updated on Jun 11, 2007 by vicsta.
- Developer: Dimps Corporation
- Publisher: Thq
- Genre: Action Platformer
- Release: Jun 7, 2004
- ESRB: Everyone
Play as Knuckles
In a new game, complete all three Acts of Sunset Hill Zone with Sonic as the leader.
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