Doom / Ultimate Doom: ('''DOOM.WAD'''+'''svdoom.wad''')
* Episode 1: Knee-Deep in the Dead (sometimes called Shareware Doom)
* Episode 2: The Shores of Hell
* Episode 3: Inferno
* Episode 4: Thy Flesh Consumed (Ultimate Doom only)

Doom II:
* Doom II: Hell on Earth ('''DOOM2.WAD''')
* Master Levels for Doom II ('''MASTERLEVELS.WAD''')
* No Rest for the Living ('''NERVE.WAD''')

Final Doom:
* TNT: Evilution ('''TNT.WAD''')
* The Plutonia Experiment ('''PLUTONIA.WAD''')

Legacy of Rust (id1.wad, id1-res.wad and id1-weap.wad)
* The Vulcan Abyss
* Countefeit Eden

Doom 64
* Doom 64
* Doom 64: The Lost Levels

==Doom 3==

==Doom II RPG==

Sigil/Hellion

Knee Deep in the Dead E1b
Phobos Mission Control
Tech Gone Bad
* Episode 5: Sigil ('''sigil_v1_21.wad''')
* Episode 6: Sigil II ('''SIGIL_II_V1_0.WAD''')
* Episode ?: Hellion
        One Humanity

*Former ID Software Employee John Romero's WAD, Sigil, is said to be “unofficial” in 2019 and 2024 Doom releases (Doom I Enhanced, Doom II Enhanced and Doom I + Doom II).


Heretic/Hexen
Heretic

    Episode 1: City of the Damned
    Episode 2: Hell's Maw
    Episode 3: The Dome of D'Sparil

Heretic: Shadow of the Serpent Riders

    Episode 4: The Ossuary
    Episode 5: The Stagnant Demesne
    Episode 6: Fate's Path (Deathmatch Only)

Hexen: Beyond Heretic

    Hub 1: Seven Portals
    Hub 2: Shadow Wood
    Hub 3: Heresiarch's Seminary
    Hub 4: Castle of Grief
    Hub 5: Necropolis

Hexen: Deathkings of the Dark Citadel

    Expansion Hub 1: Blight
    Expansion Hub 2: Constable's Gate
    Expansion Hub 3: Nave

FreeDoom ('''freedoom1.wad''')

FreeDoom 2 ('''freedoom2.wad''')