Try to escape a city that is infested with flesh eating zombies. Find new weapons, upgrade them and kill hundreds of zombies in 10 levels and 3 challenge levels.
Earth is being invaded by an alien race and the only chance humanity stands at defeating the alien invaders lays buried in our past. Journey back in time to exotic lands and uncover an ancient alien super weapon - mankind's survival depends on it.
Mankind has been traveling through a cloud. The sky has been dark ever since the war began. It's time for mankind to end the war before the war puts an end to mankind.
