Doom feature v2

Real-time Path Tracing Mod released for id Software’s classic Doom

Now here is something that will please A LOT of old-school FPS fans. Modder ‘sultim-t’ has just released a real-time path tracing mod for id Software’s classic Doom games and no, this isn’t an April’s fools joke.

Sultim-t is the man behind the amazing ray tracing mod for Serious Sam we shared in August 2021. So yes, this is the real deal. These are full path tracing effects.

In order to showcase “Doom Ray Traced”, the modder released the following video. This video will give you an idea of what you can expect from it.

As we can see, the lighting has been greatly improved thanks to these path tracing effects. In fact, this new lighting gave me some Doom 64 vibes. The game is now darker and more atmospheric. I’m also amazed that sultim-t was able to implement full path tracing in a game that solely uses sprites (and not 3D models).

You can download Doom Ray Traced from here. And in case you are wondering, yes, you can also use NVIDIA’s DLSS. All you have to do is download nvngx_dlss.dll (or copy it from a game that already supports DLSS), and place it to the target folder.

Have fun!

Doom Classic: RAY TRACED - Trailer

19 thoughts on “Real-time Path Tracing Mod released for id Software’s classic Doom”

  1. Lots of pitch black shadows close to static light sources.
    No Global Illumination or more than a couple bounces?
    It’s really cool, but it’s also bad.

    1. If it’s real path tracing, that just means the light sources are not reconfigured properly, because path tracing will make true GI automatically.

  2. PRBoom? Ewww, no thanks. That’s only one step away from the retro hipster BS source port, Chocolate Doom.

  3. Too much bloom, the explosive barrels illuminating the dark rooms green was pretty cool though.

    1. Pretty much. The effects are overblown…everything is in colors like some laser disco party, and everything looks like it’s made of shiny plastic. 🙁

  4. Applying path-tracing to those textures / materials in a game with 2D “characters” is casting pearls before swine. You could make it look almost identical to this by just baking the indirect lighting and attaching a shadowmask to every light source. also stupidly expensive but much cheaper than path-tracing, that’s for sure.

  5. Not really enough to make me want to replay Doom. Another fun game from round the same time is Wolfenstein 3D.

  6. If it’s like those SS RT releases then this will be surely disappointing. SS looked and ran awful with that mod and show a clear reason why RT/PT sample starved do not look good enough in real time.
    (Though the only saving grace for this mod is that with Doom being so laughably simple in terms of rendering you might get away with higher quality RPP/Denoising)

    Unless your idea of looking good is image quality that is an inconsistent smeary, blurry and still noisy at the same time mess.

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