Well, we always knew it was going to happen: the undead are now walking the Earth, and their next target is this research facility. Inside, a handful of tired surviving scientists are on the brink of finalizing the one drug that can finally annihilate the zombie horde. Your mission is simple: annihilate the zombies, protect the scientists, and ensure they escape to complete their life-saving work. The fate of humanity is in your hands—make every shot count.