This page contains Batter Up Codes for Gamegear called "Sound Test" and has been posted or updated on Dec 30, 2009 by Pajama.
- Developer: Namco
- Publisher: Namco
- Genre: Sports
- Release: Not Set
- ESRB: Not Set
During the "Namcot for Sega Game Gear" Screen, press Up + Left + Start for a sound test.
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