Zombie Survival is all about staying alive while hordes of brain-hungry zombies try to crash your party. Your crib's under siege, and you gotta blast those undead nasties through your windows. Patch up the broken ones to keep the horde at bay. Open up new rooms to beef up your defenses, and remember to level up your weapons you'll need some serious firepower as the waves get gnarlier. Keep moving, or you'll end up as zombie chow!