Fallout is a post-apocalyptic tabletop RPG set in a world devastated by nuclear war, where players navigate a harsh, radioactive wasteland filled with mutated creatures, factions, and moral dilemmas. Key features include a unique S.P.E.C.I.A.L. character system, a focus on exploration, survival, and decision-making, and a richly detailed world filled with dark humor and moral ambiguity. Fallout stands out for its blend of retro-futuristic aesthetics, gritty storytelling, and emphasis on player choice and consequence in a world on the brink of collapse.