# ZDoom/gzdoom

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

Repository: https://github.com/ZDoom/gzdoom
Canonical: https://ross.abutalabs.com/products/gzdoom
Homepage: http://zdoom.org
Language: C++
License: GPL-3.0
License Family: copyleft
Last push: 2026-08-10T17:23:39+00:00

## Health v2 (maintenance only)
Score: 73/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 97, release rhythm 28, longevity 100
- inputs: {"age_days": 4819, "days_push": 23, "days_rel": 487, "gap_med": 47, "n_releases_24m": 6}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 3107, forks 647 (observed 2026-08-28T04:07:43.798020+00:00)

## What it is
GZDoom is a modder-friendly source port of the Doom engine supporting all Doom engine games, with modern OpenGL and Vulkan renderers and a powerful ZScript scripting system. It is a standalone game application aimed at playing and modding classic id Software and Raven games.

## Use cases
- play Doom and Doom II with modern graphics
- play Heretic and Hexen on modern systems
- run gameplay and total conversion mods
- create custom Doom mods with ZScript scripting
- play classic FPS games with widescreen and Vulkan rendering

## When to choose
- you want to play or mod Doom engine games with modern rendering
- you need advanced scripting for custom gameplay
- you want a actively maintained, modder-friendly Doom port

## When to avoid
- you need a vanilla-accurate, minimal Doom experience
- you want to build a new game unrelated to the Doom engine
- you need a renderer for a non-Doom engine

## Facets
- artifact type: application
- maturity: active
- function: game-engine, graphics, interpreter
- domain: gaming-tools, graphics
- platform: windows, cross-platform, cpp
- tags: doom, source-port, opengl, vulkan, zscript, modding, retro-gaming, fps, game-development, linux, macos

## Member repositories
- ZDoom/gzdoom (main) score 73

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:07:43.798020+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 2026-08-30T07:26:58.371863+00:00, confidence not recorded.
  - readme: https://github.com/ZDoom/gzdoom (fetched 2026-08-28T04:07:43.798020+00:00, sha 4f1233448d33)
- Data as of 2026-08-30T08:39:29.467469+00:00.