However, for a while in Japan, the game was re-released on the Famicom Disk System. The FDS was a Japanese-only Nintendo-proprietary floppy-disk game system. And, you might think, surely re-releasing Super Mario Bros. onto a different format entirely might change the way the Minus World works, right?
Well, you’d be right. Watch this video to see how right you are:
Fascinating. The FDS version of the Minus World kind of works!