Classic Doom games vanish, reappear on Xbox One with features missing [Updated] | Ars Technica
Let's Play Doom 3 (Xbox) Co-op pt. 1: Welcome to Your Doom! - YouTube
Doom 3 on the original xbox has system link co-op! Using 2 consoles you can explore a slightly altered campaign with a friend, because the mirror scene scares you. : r/originalxbox