It's 2034, 5 years after World War 3, a worldwide nuclear war. The war ended quickly, as the first nukes dropped wiped out nearly 99% of the population. The radiation has dispersed after the long 5 years, making the surface safe to traverse. A few species have gone extinct, while some have mutated and are stupidly dangerous. Some people prefer to use violence to survive, while others work in groups to survive off of teamwork. Food will be spoiled, unless they are canned or recently made/foraged.