Martians have landed on earth and it seems like they don't want to be friendly! Take your gun, comb your mustache and let's start shooting bullets! Hey Cowboy, can you kill them all? Cowboy VS Martians is a game that you can enjoy playing at friv20000.com. Here you can discover & enjoy Cowboy VS Martians game and many other Friv 20000 games online at no cost.

Use Left Mouse button to Shoot, Use Move Mouse button to Aim,

shooting, gun..