DOOM (1993) includes: The expansion, Episode IV: Thy Flesh Consumed, with 9 additional action-packed levels, Local 4 player deathmatch, Local 4 player co-op.
The re-release of DOOM II includes: The Master Levels, 20 additional levels made by the community and supervised by the developers, Local 4 player multiplayer, Local 4 player co-op.
DOOM 3 includes the Resurrection of Evil and The Lost Missions expansion packs.
