id Software's Super Mario Bros. 3 PC port is in a museum now

The founders of id Software tried to pitch Nintendo on a Super Mario Bros. 3 PC port - that demo is now in a museum

Super Mario Bros. 3 Reviews, Cheats, Tips, and Tricks - Cheat Code Central

Developers publish demo images of PC version Super Mario Bros. 3 - GIGAZINE

Super Mario Bros. 3 Demo (1990) : John Romero : Free Download, Borrow, and Streaming : Internet Archive

Retro - Museum obtains rare demo of id Software's Super Mario Bros. 3 PC port, 1990 demo was rejected by Nintendo but led to id's own Commander Keen

Id's Mario PC Port Discovered In Museum Donation

id Software 'Super Mario Bros. 3' PC Port Rediscovered

Super Mario Bros.

Side-scrolling video game - Wikipedia

Id Software's demo for Mario 3 on PC is now in a museum

Museum obtains rare demo of id Software's Super Mario Bros. 3 PC port

An unreleased demo of id Software's Super Mario Bros. 3 PC port has been donated to a museum

id Software's Mario PC port found in a stack of discs submitted to a museum

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