This page contains Cheats for Cosmo Tank organized by sections for GameBoy. Cosmo Tank is a Action Shooter Scrolling game, made by Asuka Technologies and published by ATLUS. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
- Developer: Asuka Technologies
- Publisher: ATLUS
- Genre: Action Shooter Scrolling
- Release Date: Not Set
- ESRB: Not Set
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....From: Monique
Stuck on this game? Set a specific, clearly defined question and let others answer your question or view answers to previously asked questions. If you think you are an Cosmo Tank expert then please try to help others with their questions.