Sound TestOn the subscreen at the beginning of the Quest Mode, simultaneously press and hold Down, A and B. While holding these, press Start. If this is done correctly, the message "Sound Test 01" will appear. See more:Cosmo Tank Video Game Console Cheats... Or click here for more:Cosmo Tank, GameBoy Cheats...
On the subscreen at the beginning of the Quest Mode, simultaneously press and hold Down, A and B. While holding these, press Start. If this is done correctly, the message "Sound Test 01" will appear.
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