The zombies have taken over a prison, which also happens to be a great place to hide from these undead creatures. So you have to shoot them all in three exciting levels in order to survive. In each level you have a target number of zombies you have to kill in order to successfully finish it. But be very fast when shooting them, because if you take too much time, they will attack you and you will lose one life. Have an amazing time playing this great shooting game!