Get ready for this most intense 3D action game of iPhone/iPod Touch. S-Virus, an unknown virus, kills the human population and turns the survivors into carnivorous zombies. The human beings have one hope for the future-Dr. Kayla Cupper. Dr. Cupper has revealed the source of the infection but for that she requires time. You have to defend her when she develops and creates a therapy to hold the virus. You have shotgun, guns, chainsaws and plasma to kill the zombies. This game has two game modes: History mode including 14 missions and Survival mode.