Cosmo Tank is an online GB game that you can play at Emulator Online. This free Game Boy game is the United States of America region version for the USA. It has been played 841 times so far and was posted on April 27, 2017. Cosmo Tank is a single title from the many arcade games, shooting games and tank games that we offer for this console. If you enjoyed playing this, then you can find similar games in the gb games category. Cosmo Tank game is from the various retro games on the site, and there are more games like this, including Super Tank, Battletank and Thomas The Tank Engine And Friends.