# TTimo/doom3.gpl

Doom 3 GPL source release

Repository: https://github.com/TTimo/doom3.gpl
Canonical: https://ross.abutalabs.com/products/doom3gpl
Language: C++
License: GPL-3.0
License Family: copyleft
Last push: 2022-05-17T06:13:16+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 5398, "days_push": 1569, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 4631, forks 1763 (observed 2026-08-28T04:08:55.321651+00:00)

## What it is
The official GPL-3.0 source code release of id Software's Doom 3 game engine, provided without game data assets. It can be compiled on Windows, Linux, and macOS for engine study, modding, and porting work.

## Use cases
- study the Doom 3 engine source code
- build a modified Doom 3 engine for modding
- port Doom 3 to a new platform
- learn how id Tech 4 renders stencil shadows
- create a total conversion mod for Doom 3

## When to choose
- you own Doom 3 game data and want to run or modify the engine
- you want to study a classic id Tech 4 codebase
- you are building a fork or port of the Doom 3 engine

## When to avoid
- you want a modern, actively developed engine - community forks are better maintained
- you need a complete playable game - game assets are not included
- you want a general-purpose engine for new projects

## Facets
- artifact type: application
- maturity: maintenance
- function: game-engine, graphics, simulation
- domain: graphics, gaming-tools
- platform: windows, cpp
- tags: id-software, doom-3, source-release, fps, carmack, game-source-code, game-development, linux, macos

## Member repositories
- TTimo/doom3.gpl (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:55.321651+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T18:19:36.123639+00:00, confidence not recorded.
  - readme: https://github.com/TTimo/doom3.gpl (fetched 2026-08-28T04:08:55.321651+00:00, sha 0ea4227627a4)
- Data as of 2026-08-30T08:39:29.467469+00:00.