Play Cosmo Tank emulator game online in the highest quality available. Cosmo Tank is a Gameboy game that you can enjoy on Play Emulator. This GB game is the US English version that works in all modern web browsers without downloading. Cosmo Tank is part of the Arcade Games, Action Games, and Shooting Games you can play here. PlayEmulator has many online retro games available including related games like Robot Tank TV By Thomas Jentzsch, Super Battletank 2, and Super Battle Tank: War In The Gulf.