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

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

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

Super Mario Bros. 3 PC demo found by New York museum

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

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Unveiling a Hidden Gem: The Rare Demo of id Software's Super Mario Bros. 3 PC Port - The NES Page

Unveiling a Hidden Gem: The Rare Demo of id Software's Super Mario Bros. 3 PC Port - The NES Page

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

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