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Cosmo Tank

Books: GAME BOY Secret Codes - Secret Codes 2003 - Game Boy Games Secrets
Last Updated: 7/3/99.

Get two guns
Sound test

Get two guns

Sent in by Michael Smythe at The Unofficial World of Nintendo!!! On the first planet, just before you enter the first cave, there is a large area. If you wait long enough, giant insects will attack you. Kill theme to get a power cell. Do this 30 times, and you'll have the 2 best guns in the game.

Sound test

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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