Super Mario RPG's story focuses on Mario and Co. as they seek to defeat Smithy, who has crashed into their world and stolen the seven star pieces of Star Road

The game world is set in a geographically diverse land, which includes mountains, forests, and bodies of water. Each region has distinct characteristics held by its inhabitants; Mushroom Kingdom, Moleville, Monstro Town, and Nimbus Land. Bowser's Castle is another prominent location in the game, as it holds the portal to Smithy