Nintendo Campus Challenge 1991 is a unique cartridge designed for a gaming competition held in 1991. It features exclusive mini-games that test players' skills on the Nintendo Entertainment System. This cartridge is notably rare, with only one known copy in existence, surpassing the rarity of the Nintendo World Championships cartridge from previous competitions.
Nintendo Campus Challenge is a special cartridge used in the events of the same name. There are two different cartridges produced for each event: a Nintendo Entertainment System version for the 1990 competition and a Super Nintendo Entertainment System cartridge for the 1992 competition. The cartridge is considered to be even rarer than the Nintendo World Championships cartridge with only one known to exist.