List of Doom Engine games on the Steam store

A Fools Art Gallery (Demo available)
Apocalyptic Vibes (Demo available)
Beyond Sunset (Demo and DLC available)
BIOPUNCH Arena (Coming soon) (Demo available)
Borrowhelen (DLCs available)
Box Party (Coming soon) (Demo available)
Brutal Fate (Coming soon)
Captain Wayne - Vacation Desperation
DI: Debt is Inevitable (Coming soon)
DISDAIN (Coming soon) (Demo available)
Dismantled (+18)
Dismantled Director's Cut (+18)
Divine Frequency (Coming soon) (Demo available)
DOOM 64
DOOM + DOOM II (Includes add-ons)* (Includes community mod support) (*)
Drone-Locked
Dry Meadow (Coming soon) (Demo available)
Enigmatic Worlds (Demo available)
Final Absolution (Coming soon)
Friendship Island
Fury's Sky (FREE)
GOSDOOMA (Demo available)
Hands of Necromancy
Hands of Necromancy II
Hedon Bloodrite (Includes Hedon I) (Demo and DLC available)
Hell Worlds Reinvigorated (Coming soon) (Demo available)
Hellgate Senigallia Remake
Hellslinger (Coming soon) (Demo available)
Heretic + Hexen (Includes add-ons) (Includes community mod support) (2*)
Hordes of Necromancy (Coming soon)
Horryefieing: High Rise
I Am Sakuya: Touhou FPS Game (DLC available) (Workshop support)
I Am Sakuya VR: Touhou FPS Game
Killing Time (Classic) (3*)
Lycanthorn II - Rain of Beasts (Includes Lycanthorn I) (FREE)
Mala Petaka (Demo available)
Mohrta (DLCs available)
Nakara (+18) (Demo available)
NOL (Coming soon)
Project Absentia (Demo and DLC available)
Project: AMICA (Coming soon) (Demo available)
Project Crypt (FREE) (DLC available)
REKKR: Sunken Land
Relentless Frontier (Demo available)
Retroninjacyberassassin (FREE) (DLCs available)
Return of the Triad (available in Rise of the Triad: Ludicrous Edition)
Robin Hood: Death to Tyrants (Coming soon)
Saccharine
Selaco
SharpShooter3D (DLC available)
Shrine (FREE)
Shrine II (FREE)
SKELET_666 (Coming soon) (Demo available)
Snap the Sentinel (Coming soon) (Demo available)
Stellar Valkyrie (Coming soon)
Strife: Veteran Edition
Sunset Street Ninja
Supplice (Demo available)

*Add-ons: Anomaly Report; Arrival; Base Ganymede; BTSX: Episode 1 & 2; Deathless; DOOM Zero; Double Impact; Earthless: Prelude; Going Down; Going Down Turbo; Harmony; No End in Sight; No Rest For the Living; REKKR; Revolution!; Scientist; Sigil II; Syringe; Tetanus; The Plutonia Experiment; The Troopers' Playground; TNT Evilution
(*) Includes: Master Levels for DOOM II; TNT: Evilution; The Plutonia Experiment; No Rest for the Living; SIGIL; Legacy of Rust
(2*) Includes: Deathkings of the Dark Citadel; Faith Renewed; Vestiges of Grandeur
(3*) Runs on Jaguar Doom. Remastered version: Killing Time: Resurrected

The Age of Hell (Coming soon) (Demo available)
The Forestale
Twilight Manor: Roguelite FPS (Workshop support)
Twilight Town: A Cyberpunk FPS (Workshop support)
Unhinged 2 (Coming soon) (Demo available)
Vomitoreum
Wanted 3D: Dead or Alive (Coming soon) (Demo available)
WARAG (Coming soon) (Demo available)
Washington Prime (Coming soon) (Demo available)

DOOM II (Includes TNT: Evilution, The Plutonia Experiment and Master Levels) (Includes add-ons)*
Final DOOM
Hardstrike: The Fall
Heretic: Shadow of the Serpent Riders
HeXen: Beyond Heretic
HeXen: Deathkings of the Dark Citadel
Master Levels of Doom II
The Forgotten Sprites

*Add-ons: Anomaly Report; Arrival; Base Ganymede; BTSX: Episode 1 & 2; Deathless; DOOM Zero; Double Impact; Earthless: Prelude; Harmony; No End in Sight; No Rest For the Living; REKKR; Revolution!; Scientist; Sigil II; Syringe; Tetanus; The Plutonia Experiment; The Troopers' Playground; TNT Evilution

Doom 3 BFG Edition (Includes Doom I and II)
Doom Eternal (Includes Doom I and II as unlockables)

Chex Quest HD (FREE)
Total Chaos (Demo available)
UNLOVED

Let me know if i'm missing something!

Looking for more lists like this one? check these game engine lists made by Wiggy and I:

List of Build Engine games
List of Doom clones on the Steam store
List of GoldSrc Games
List of Id Tech 2 games
List of Id Tech III games
List of Id Tech 4 games
List of Lithtech games
List of Quake 1 clones on the Steam store
List of Unreal Engine 1 games
List of Unreal Engine 2 games
List of Unreal Engine 3 games on the Steam store
List of Wolf 3D Engine games on the Steam store
List of Wolf 3D clones on the Steam store