This page contains Sonic Rush Adventure Unlockables for Nintendo DS called "Muzy (Sound Test)" and has been posted or updated on Sep 21, 2007 by cm2010. Let us know what you think of this Unlockable by thumbs voting.
Muzy (Sound Test)
After defeating the Titan boss in Big Swell, go to Seagull Beach on Windmill Island and talk to the koala with the guitar. You will now be able to listen to music, sound effects and dialogue from the game, and can receive missions which unlock extra sounds once completed.
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