An unopened 1986 Super Mario Bros. NES game has been sold at auction, with reported sale prices varying widely, including figures of $3 million, $660,000, $1.56 million, $826,000, and over $600,000. The sale has been described as a record for the most expensive video game ever sold, but the actual price is unclear. The game's value is attributed to its rarity and original packaging, with some outlets noting its significant increase in value over its original price.