Your forces were out on a routine patrol and the undead were suddenly everywhere! Your forces were badly depleted in the conflict thus you must continue to do your job and keep the undead population under control until a solution can be found.
Humans are all dead and only zombies are alive who have now turned on each other for food. You're one of the zombie factions and must destroy others to survive now.
Space SWAT ship crashed on planet Paradise-11, the area used as colony for prisoners and laboratory for biological experiments. Captain Pedro Rodriguez must repair his ship and survive before the waves of zombies eat his brains.
