Doom' creators made a PC version of Super Mario Bros. 3 in 1990

RETRO GAMER JUNCTION - Super Mario Bros 3

Ripping and Tearing: 3 Decades of Doom

Excerpt: John Romero's autobiography Doom Guy on the birth of id

Hi Reddit! My name is John Romero and I am the co-founder of id

John Romero Reveals Super Mario 3's PC Port

Lost Version of SUPER MARIO BROS 3Found Over 30 Years Later

25 anos de Id Software: a história do estúdio que formou o gênero FPS

How a Super Mario Bros 3 PC Port Created Id Software

SMB3- Japanese-Cartridge – Nintendo Times

Masters of Doom: How Two Guys Created an Empire

The Wizards of id – Entertainment Junkie Blog

RETRO GAMER JUNCTION - Super Mario Bros 3