Doom' creators made a PC version of Super Mario Bros. 3 in 1990, here's what it looked like
John Romero Reveals Super Mario 3's PC Port | Rock Paper Shotgun
Super Mario 3: Mario Forever for Windows - Download it from Uptodown for free
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How Super Mario Bros. 3 on PC could've looked like
Museum obtains rare demo of id Software's Super Mario Bros. 3 PC port | Ars Technica
DOOM Developer's Rare Super Mario Bros. 3 PC Port Preserved By Museum
Super Mario Bros. - Wikipedia
Id's Mario PC Port Discovered In Museum Donation
Super Mario Bros. 3 vgm music • VGMRips
Super Mario Bros. 3 (1990) | NES Game | Nintendo Life
Museum obtains rare demo of id Software's Super Mario Bros. 3 PC port | Ars Technica
Super Mario Bros. 3 (NES) : Nintendo : Free Download, Borrow, and Streaming : Internet Archive
How a Super Mario Bros 3 PC Port Created Id Software | VG247
Super Mario Bros. 3 Prototype PC Footage from John Carmack - #CUPodcast - YouTube
Super Mario Bros. 3 - Wikipedia
Super Mario Bros 3 : Mario Forever | RPG
Super Mario Bros 3 PC Prototype from id Software - YouTube
Watch id Software's long lost Super Mario Bros. 3 PC prototype | Eurogamer.net
Museum obtains rare demo of id Software's Super Mario Bros. 3 PC port | Ars Technica
The phantom PC version of 'Super Mario Bros. 3' by the developer of DOOM is stored in the History Museum - GIGAZINE
Video shows id Software's 25-year-old Super Mario Bros. 3 demo for PC
What Super Mario Bros. 3 Might Have Looked Like On PC | Time
