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? Here you can play Cowboy VS Martians game and observe its walkthrough at no cost in friv100000.com. Cowboy VS Martians is an wonderful game from our list of Friv 100000 games.

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

shooting, gun..