This page contains Operation C Codes for GameBoy called "Ound Test" and has been posted or updated on Sep 7, 2006 by Cube. Let us know what you think of this Code by thumbs voting.
On the Title screen, after it stops "waving," press Up, Down, Left, Right and Start. "Sound Test" should appear on the screen. Change the selection by pressing A and cancel by pressing B.
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