An unknown virus plagued the planet, bringing all sorts of monstrosities, ranging from zombies to flying beasts. Enter this apocalyptic world and try to survive as long as possible.
Defend the tower as aliens are in full force of attack. Upgradable. Destroy as many aliens as possible and earn more credits to purchase/upgrade equipments.
A lonely robot has been freed from slavery by a mysterious friend. Explore the dark to escape and discover what terrible deeds his captors have perpetrated.