Cosmo Tank Cheats - GameBoy
Primary Collection of Cheats
Invincibility
Begin game play and proceed until reaching the cave
on the first planet. Press [Right], [Start] immediately
upon entering the cave. Then, press [Left]x2, [Start].
Sound test
Press [Start] to display the sub-screen menu during
quest mode. Hold [Down] + [A] + [B] and press [Start].
