All Night Nippon Super Mario Bros. (Japan) (Promo) is a promotional release, likely created for marketing purposes and not for general sale. The game likely features elements tied to the popular radio program, All Night Nippon, integrated into the familiar Super Mario Bros. gameplay. It's speculated that it might have modified levels, characters, or soundtracks to incorporate All Night Nippon branding. Nintendo, the creator of Super Mario Bros., is responsible for this promotional cartridge.

All Night Nippon Super Mario Bros. (Japan) (Promo)

Alien Syndrome (USA) (Unl)