Freedoom
Freedoom (PC, 2019) has an open-source reimplementation, freedoom/freedoom.
Data checked 2026-10-12 · unbaked registry
Projects
ReimplementationDwasm / PrBoom1,360 starspushed 2026-10-02custom licenserelease v0.13.0
Freedoom is an entirely free software game based on the Doom engine.
latest release v0.13.0 (2024-01-29); andrewnakas/decompgames browser build: Dwasm / PrBoom; verification: {"status": "smoke-tested", "date": "2026-09-19", "browsers":, "scope": "September 19 live test: level sta
What you need
You need your own copy of the game: these projects ship code only.
More on PC
GameMethodYearStarsLast push
PCMindustrySource releaseAgent environment201929k2026-10-11PCosu!Source releaseReadable bytecode+1200719k2026-10-12PCCommand & Conquer Remastered CollectionSource release202021k2025-01-16PCRollerCoaster Tycoon 2ReimplementationAgent environment200216k2026-10-12PCDune 2000Reimplementation199818k2026-10-11PCAge of Empires IIReimplementation199914k2026-10-03PCCataclysm: Dark Days AheadSource release201313k2026-10-12PCCivilization VSource releaseReimplementation201011k2026-10-12Found via SubmitGame/awesome-decomp-games, freedoom.github.io/, andrewnakas/decompgames/blob/main/src/data/games
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.