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 which you will like playing at friv-com.com. Here you can find & enjoy Cowboy VS Martians game and several other Friv.com games online free of charges.

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

shooting, gun..