(SEIZURE WARNING ⚠️)In 1988 Nintendo wanted to make a new Mario game that is like a sequel to Super Mario Bros 3,The Super Nintendo Entertainment System’s Prototype was done and at first they experimented with palettes and platforming with it having 3 palettes and multiplayer with just one level,but then [REDACTED] figured how to make the SNES have 16 bit sprites work on the SNES.The higher ups wanted it to be more interesting in looks and design.But unfortunately [REDACTED] quit his Job at Nintendo because he had his child playtesting the build and died for unknown reasons and later on in development they scrapped multiplayer and separated Mario and Luigi to be separate game modes cause of technical problems,This is the only known evidence of the build’s existence.
Credits: Nintendo KaizoBeats Beta Yoshi Official The Cutting Room Floor