It's possible now to play Cowboy Vs Martians game in your web browser for free at superkidgames.com. In this game, Cowboy vs Martians you have to defend your territory against Aliens. Load your revolver and expel the Aliens from the desert. Use your skills and finish as many of them as possible to get them out of the desert for good.Click to shoot the target

Use mouse or touch the screen!