Fallout is a legendary computer role playing game. Set in a post nuclear world, it has a 1950s science fiction aura. Here’s a miniatures game set in that world.
Mophidus is offering free PDF core rules for their Fallout Wasteland Warfare game, based on the Fallout video game series. They also are have a free Fallout: Wasteland Warfare Getting Acclimated pdf with some basic scenarios and a guide to help start play. Other free offerings are Fallout Wasteland Warfare Dice and Ruler Info and high res player cards.
Fallout Skirmish is a set of free wargames rules for skirmishes in the Fallout Computer Game universe. The rules are heavily influenced by Necromunda.
Fallout Warfare is a set of miniatures rules for playing games set in the universe of the acclaimed Fallout computer game.