Super Mario Bros. 3

Release date: TBD
Platform
Super Mario Bros. 3
Platforms: DOS
Themes: Action
Player perspective: Side view
Game modes: Single player
This prototype of a MS-DOS Port of Super Mario Bros. 3 was developed by Ideas from the Deep (IDF), which would later become known as id Software. It was presented to Nintendo, but was discarded. The prototype has been found, and was donated to be preserved at the Museum of Play.