Survive relentless waves of zombies in this enhanced anniversary edition. Collect credits as you mow down the undead to unlock powerful weapons and unique skills. Face diverse zombie types and test your survival instincts as the horde keeps coming. How long will you last against the apocalypse? zombies, zombie game, apocalypse, survival, undead, halloween, anniversary edition, weapons, skills, horde, gameplay, endurance, battle, resistance, high-speed, action, endless, challenge