Can you make it through all the waves of zombies? Zombies Turret Defense Call O Duty Can you make it through all the waves of zombies? Collect Zombie Bucks for special round upgrades. Each zombie killed = Zombie Bucks. Make it into the leader board by collecting the most zombie bucks. Enjoy this awesome game that is jam packed with fun and excitement. Vibe to the epic hardcore music while merking zombies with your lazer turret. Eradicate the undead zombies from your realm and save the world.