Endzone - A World Apart Complete Edition PC Key Steam key is the complete edition of a post-apocalyptic survival strategy game where you take control of a group of survivors returning to the surface of the Earth after 150 years spent in underground shelters. The world was destroyed after a nuclear disaster and is now full of radioactivity, contaminated rains, droughts, sandstorms and other hazards. Your job is to build a safe settlement, manage resources, and lead people to the future.