The Force Engine (Star Wars: Dark Forces source port)

Star Wars: Dark Forces, LucasArts’ 1995 first-person shooter, ran on its own Jedi Engine, which LucasArts also used for Outlaws (1997). Its DOS code is awkward on modern systems, and DOSBox only gets you the original 320×200 picture. The Force Engine began as “DarkXL 2” on 21 December 2019, from the creator of the earlier DarkXL project, and moved to GitHub as The Force Engine in February 2020. Version 1.0 on 19 December 2022, with the whole of Dark Forces supported, was covered by GamesRadar, Engadget and Rock Paper Shotgun. On 27 October 2026 the repository had about 1,180 GitHub stars and commits as recent as that week.

This site is not affiliated with The Force Engine, LucasArts, Lucasfilm or Disney.

What it is

• An engine rewrite, not an emulator. The Jedi Engine was reverse engineered and rebuilt as new code that reads the original game files, the same idea as Doom and Quake source ports. Dark Forces’ AI, weapons and iMUSE music system are reproduced in full.
• Two renderers. The classic software renderer can run at 320×200 as in 1995, or at high resolution and in widescreen and ultrawide; an OpenGL 3.3 renderer adds perspective-correct looking up and down. A true-colour mode adds texture filtering, bloom and the Remaster’s HD assets.
• Modern controls and comforts: full key rebinding, controllers, full mouselook, an aiming reticle, autorun and crouch toggle, quicksave and quickload alongside the original checkpoints, subtitles, accessibility options and a cheat menu.
• For modders: classic mods, plus TFE’s own extensions such as ForceScript scripting, externally defined weapons, projectiles and effects, custom HD textures, and since version 1.22 (March 2025) a built-in level and asset editor in alpha.

Current status

What you need

• Your own copy of Star Wars: Dark Forces. TFE finds the Steam and GOG releases on its own, including Steam libraries on other drives, and works with both the classic game and Nightdive’s Dark Forces Remaster (2024). Otherwise you point it at the game’s DARK.GOB. It ships no game data, and we don’t explain how to obtain game files.
• A PC with OpenGL 3.3. On Windows it may ask for the Visual C++ x64 redistributable.
• Windows 7 or newer, Linux, or macOS if you build it yourself.

How to install (overview)

From the official site, at a high level: on Windows, download the zip from the downloads page or the GitHub Releases page, unpack it and run the program; it looks for your Dark Forces installation on first start. On Linux and the Steam Deck, install it from Flathub (on the Deck, in desktop mode), or run the Windows build through Proton. On macOS, build it from source with Homebrew and CMake as the README describes. Saves go to Documents\TheForceEngine.

Dark Forces Remaster or The Force Engine?

Nightdive’s Dark Forces Remaster (February 2024) is the official modern version, on PC and consoles. The Force Engine is not a rival to it so much as a companion: Lucius advised Nightdive on the Remaster and shared some of TFE’s code, and TFE can run the Remaster’s data with its HD textures and sprites. TFE’s advantages are mod support, deeper options and the editor; the Remaster’s are its official status, console versions and polish.

Is it legal?

The Force Engine is unofficial and contains no LucasArts code or game data: it is new code under the GPL-2.0, and you supply the game files from a copy you bought. That is the same footing as long-standing source ports for Doom or Quake, and the project has been public since 2020. Get it from the official site or GitHub, and avoid “Dark Forces PC download” bundles that include the game.

Related

• Other classic shooters rebuilt for modern systems: Quake, Doom in the browser and Half-Life.
• Atlantis: The Lost Tales: another 1990s game whose engine fans rebuilt.

Unofficial. This page is written by an independent directory. It is not made by, endorsed by or affiliated with LucasArts or Lucius (luciusDXL) and contributors (The Force Engine (Star Wars: Dark Forces source port)'s author). We do not host any files, and we never link to game files, ROMs or ISOs.