All Night Nippon
a promotional, graphically modified version of "Super Mario Bros.", was officially released in Japan in December 1986 for the Famicom Disk System as a promotional item given away by the popular Japanese radio show "All Night Nippon". The game was published by Fuji TV, which later published '. The game features graphics based upon the show, with sprites of the enemies, mushroom retainers, and other characters being changed to look like famous Japanese music idols, recording artists, and DJs as well as other people related to "All-Night Nippon". The game makes use of the same slightly upgraded graphics and alternate physics featured in the Japanese release of '. The modern collector market considers it extremely rare, selling for nearly $500.