This page contains Dave Mirra Freestyle BMX Unlockables for Dreamcast called "Silly grunts" and has been posted or updated on Sep 13, 2006 by MeC00L. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Z-Axis, Ltd.
- Publisher: Acclaim
- Genre: Sports Alternative Biking
- Release Date: Nov 20, 2000
- ESRB: Everyone
Beat the game as Tim Mirra to unlock the silly grunt option at the cheat screen.
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