Headshot ZD: Survivors vs Zombie Doomsday — as a result of a nuclear explosion, a huge smog covered the entire globe. 99.9% of all living beings who inhaled the deadly smog, turned into the living dead. The world as we knew it has ceased to exist. However, those 0.1% who were able to avoid the terrible fate, began the struggle for survival. More than 100 unique types of survivors and zombies. To gather more resources to save an even greater number of people. Explore new areas and collect more resources to survive.