A factory-sealed Super Mario Bros cartridge sold for $3 million at Heritage Auctions in June 2026 — nearly double the previous high — driven not by the game's fame but by a razor-thin set of factors: production run, seal condition, and a single grade from an authenticator. Guinness World Records still lists a different title as the record holder, and that gap reveals exactly how fast this market is moving and how slowly the record books catch up.

A factory-sealed Super Mario Bros cartridge sold for $3 million at Heritage Auctions in June 2026 — nearly double the previous high — driven not by the game's fame but by a razor-thin set of factors: production run, seal condition, and a single grade from an authenticator. Guinness World Records still lists a different title as the record holder, and that gap reveals exactly how fast this market is moving and how slowly the record books catch up.

A sealed copy of Super Mario Bros for the Nintendo Entertainment System has sold for $3 million, setting a new public auction record for a video game and gi