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? Enter to be happy playing Cowboy VS Martians game with no fees at 4friv.com. Come to enjoy Cowboy VS Martians game now and the latest Friv 4 games online for free.

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

shooting, gun..