D20 Modern Apocalypse Wizards of the Coast 2005
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.