Years after the horde have claimed Earth's surface, they find their way into Bunker 4103 - the last bastion of humanity. You awake in a remote part of the underground shelter, and if you want to remain human you must reach the bunker's deepest point: the safe room.

Years after the horde have claimed Earth's surface, they find their way into Bunker 4103 - the last bastion of humanity. You awake in a remote part of the underground shelter, and if you want to remain human you must reach the bunker's deepest point: the safe room.