Fallout: A Post Nuclear Role Playing Game is a 1997 role-playing video game developed and published by Interplay Productions, set in a mid-22nd century post-apocalyptic and retro-futuristic world, decades after a nuclear war between the United States and China. Fallout's protagonist, the Vault Dweller, inhabits an underground nuclear shelter. The player must scour the surrounding wasteland for a computer chip that can fix the Vault's failed water supply system. They interact with other survivors, some of whom give them missions, and engage in turn-based combat.

Interplay Entertainment Corp. is an American video game developer and publisher based in Los Angeles. The company was founded in 1983 as Interplay Productions by developers Brian Fargo, Jay Patel, Troy Worrell, and Rebecca Heineman, as well as investor Chris Wells. As a developer, Interplay is best known as the creator of the Fallout series and as a publisher for the Baldur's Gate and Descent series.