Fan-made Doom games

Unofficial Doom-based and Doom-related games and mods have been written by fans.

Games

 * cDoom
 * Chacal 3D
 * Damnation (a Flash game)
 * Doom (ZX Spectrum)
 * Doom 2D
 * Doom 2D - Knee deep in the dead
 * Doom 2 pinball for Visual Pinball v6.1 or better
 * Doom89, for Texas Instruments models 89, 92+, and V200
 * Doomed (a Flash game)
 * Doom: Fall of Mars
 * Doom: Gates of Hell
 * Doom-like minigame
 * Doom Reloaded
 * Doom Role-Playing Game
 * Doom: The Battle For Mars
 * Doom: The Next Chapter
 * Doom, the Roguelike
 * Enter the Doom Chapter I: Lucido Attack
 * Enter the Doom Chapter 2: Legacy
 * FOOM!
 * Freedoom
 * PocketStation DOOM
 * PocketStation DOOM

Mods

 * Classic Doom for Doom 3
 * Doom ModPack for Civilization II
 * Dungeon Doom
 * Generations Arena
 * Korax Mod
 * Unreal Doom for Unreal Tournament
 * Wolfendoom
 * DOOM: Legions of Hell
 * Your Path of Destruction
 * Zombie Slayer

Non-Doom games using the Doom engine

 * Action Doom 2
 * Chex Quest 3
 * Foreverhood (cancelled)
 * Harmony
 * Mega Man 8-Bit Deathmatch
 * Sonic Robo Blast 2 (in development)