Open world simulation game with zombies! Drive vehicles, shoot your guns and explore the zombie-infested city! Join police forces trying to defend the citizens! Join medical ambulance trying to heal the wounded! Or be the brave one loner and work on your own! Find the hidden tank and use it to drive undead forces out! Our games features a realistic model of city, along with all cars, people and their interactions. People walk around, talk with each other, use phones, sit on benches, and, firs