Mariones 1.5 Better Info

At the time, developers competed to see how much functionality they could cram into the smallest possible executable.

In the autumn of 1988, deep in the archives of Nintendo’s R&D4, a single floppy disk labeled sat forgotten. Recently dumped and painstakingly restored by the preservation community, this half-step between Super Mario Bros. and Super Mario Bros. 2 (Japan) is less a sequel and more a strange, beautiful mutation of the original. MarioNES 1.5

So why is everyone searching for "MarioNES 1.5" again this year? At the time, developers competed to see how