After a successful teleport, our hero ends up on the basement level of AS7 medical research facility. He finds new challenges and evidence of resistance, but still no survivors. The only ones alive are the undead.
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.
