New rules designed for running a d20 Modern campaign in a postapocalyptic setting.This new rules supplement provides everything players and Gamemasters need to participate in adventures in a post-apocalyptic setting, including rules and designs for apocalyptic events, such as nuclear war, environmental disaster, alien invasion, or Armageddon. The book provides new rules for barter, scavenging, equipment, mutations and robots. Three ready-to-play campaign models are included.