Living the Dream: The Making of Catacomb 3-D
John Romero, John Carmack, Tom Hall, and Adrian Carmack recount the making of Catacomb 3-D, the team's second FPS.
Just Another Games site
John Romero, John Carmack, Tom Hall, and Adrian Carmack recount the making of Catacomb 3-D, the team's second FPS.