{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/themuffinator/openQ4/blob/8250fb46d60330697747ba64da9b02136a821707/docs/user/getting-started.md"
  ],
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "openQ4 replaces the Quake 4 engine and game binaries with a GPL engine and SDK-licensed game modules that use the player's retail game assets. The source adds modern display, audio and controller support, with experimental multiplayer and Vulkan rendering.",
  "description_zh": "openQ4 以 GPL 引擎和按 SDK 条款提供的游戏模块替换 Quake 4 的引擎与游戏二进制文件，并读取玩家零售版游戏资源。源码加入现代显示、音频和手柄支持；联机及 Vulkan 渲染仍属实验性功能。",
  "entry_url": "https://awesomerea.org/resources/openq4-quake-4-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/openq4-quake-4-case/",
  "evidence_class": 1,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/themuffinator/openQ4/blob/8250fb46d60330697747ba64da9b02136a821707/README.md",
  "group": "cases",
  "id": "openq4-quake-4-case",
  "json_url": "https://awesomerea.org/resources/openq4-quake-4-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/openq4-quake-4-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/openq4-quake-4-case/index.md",
  "name": "openQ4: replacing the Quake 4 engine and game binaries",
  "name_zh": "openQ4：重建 Quake 4 引擎与游戏模块",
  "preview_kind": "image",
  "preview_url": "https://awesomerea.org/previews/openq4-quake-4-case.png",
  "reconstruction_method": "engine-reimplementation",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A legitimate Quake 4 installation and its retail assets are required.",
    "A matching 64-bit platform package and OpenGL-compatible graphics driver are required.",
    "The project is in beta; Vulkan and multiplayer are experimental.",
    "The engine LICENSE file is GPL-3.0; game modules have separate SDK terms."
  ],
  "requirements_zh": [
    "需要合法取得的 Quake 4 安装文件及零售版资源。",
    "需要与平台匹配的 64 位程序包及兼容 OpenGL 的图形驱动。",
    "项目仍处于 beta 阶段；Vulkan 和联机功能属于实验性功能。",
    "引擎的 LICENSE 文件采用 GPL-3.0；游戏模块另受 SDK 条款约束。"
  ],
  "scope": "partial",
  "targets": [
    "game"
  ],
  "url": "https://github.com/themuffinator/openQ4",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}