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 terrific game which you can play for free in in y10000-games.com. With Cowboy VS Martians game, we supply many cool Y10000 games to play at no cost.

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

shooting, gun..