Game description: When you become a monster, the gun is your best friend ... Dr. zombie virus, mice in the experiment did not care when his own hand cut, the terror of HIV infection, they found themselves changed Green has become a zombie monster, had been discovered, would like to eliminate him, then, to the instinct for survival, gun, fighting to the last-step guide you ...: WASD or arrow keys to move / , mouse click-fire ,1-4 switching capacity , the space bar stealth .