You are a gatekeeper of a military area specializing in the study of the dangerous virus and this is where the epidemic outbreak of the zombies, almost everyone has been turned into zombies, you are lucky to survive because you are near the exit door. The whole world is out there, does anyone know anything about this at all, no one to know that their life is at stake. You have escaped but when thinking of loved ones and the whole of the people of the world that you’ve decided to stay to kill zombies, and it is also your duty in this map. Use the entire war weapons that the commanders left to beat aggressive monsters, blood-thirsty. Wish you luck!