An unknown virus is been changing people into bloodthirsty zombies. Many fled to the largest bunker in the world, house to a laboratory where the virus is being investigated. Most of the survivors hibernated in the bottom levels of the bunker.
An unknown virus is been changing people into bloodthirsty zombies. Many fled to the largest bunker in the world, house to a laboratory where the virus is being investigated. Most of the survivors hibernated in the bottom levels of the bunker.
