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This story is about a game Fallout 1: A Post Nuclear Role Playing Game (1997) As an official spin-off to the Prime Video series, this gritty prequel takes us back to the very beginning of the wasteland's legend. When a critical hardware failure threatens Vault 13, a lone Vault Dweller is exiled into the radioactive ruins of California on a desperate, 150-day clock to find a replacement water chip—only to uncover a grotesque, mutating threat that could end humanity for good.