Click on the screen to fire your sub-machine gun at the undead. Navigate your character around the island by touching the screen to dodge zombie attacks. Restock your weapon by tapping the reload button when your ammo is low. Withstand each wave of zombies by defeating all enemies before they consume you. Pick up power-ups and ammo drops to improve your firepower and survivability. Advance through increasingly difficult waves by strategizing and using wisely your resources. Gain new weapons and upgrades by finishing levels and scoring points.