{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/GloriousEggroll/OpenUT2k4/blob/2ac3ed2500db4de0cb03c430acf45c3f8d4bfe4c/NOTICE.md"
  ],
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "OpenUT2k4 recreates Unreal Tournament 2004 in C++ on Unreal Engine 5.8 using maps, characters, audio and music converted locally from the player's installation. It builds maps at runtime and implements UT2004 network compatibility so its client and server can play alongside the original game.",
  "description_zh": "OpenUT2k4 使用 C++ 和 Unreal Engine 5.8 重建《Unreal Tournament 2004》，在本地转换玩家安装目录中的地图、角色和音频，并在运行时构建地图。它还实现 UT2004 网络协议，使新旧客户端与服务器能够联机。",
  "entry_url": "https://awesomerea.org/resources/openut2k4-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/openut2k4-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/GloriousEggroll/OpenUT2k4/blob/2ac3ed2500db4de0cb03c430acf45c3f8d4bfe4c/README.md",
  "group": "cases",
  "id": "openut2k4-case",
  "json_url": "https://awesomerea.org/resources/openut2k4-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/openut2k4-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/openut2k4-case/index.md",
  "name": "OpenUT2k4: recreating Unreal Tournament 2004 in Unreal Engine 5.8",
  "name_zh": "OpenUT2k4：用 Unreal Engine 5.8 重建《Unreal Tournament 2004》",
  "reconstruction_method": "engine-reimplementation",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "testing",
    "license"
  ],
  "requirements": [
    "Unreal Engine 5.8, a C++ toolchain and about 20 GB of project disk space are required to build.",
    "Playing requires UT2004 game data from an existing installation or the OldUnreal download, and a Vulkan-capable GPU and driver or a Metal-capable Mac.",
    "Linux is built and tested; Windows and macOS scripts are unverified.",
    "MIT License; Unreal Engine has a separate license."
  ],
  "requirements_zh": [
    "构建需要 Unreal Engine 5.8、C++ 工具链及约 20 GB 项目磁盘空间。",
    "游玩需要已有 UT2004 安装目录中的游戏数据，或从 OldUnreal 下载的游戏数据；还需要支持 Vulkan 的显卡及驱动，或支持 Metal 的 Mac。",
    "Linux 版本已构建并测试；Windows 和 macOS 脚本尚未验证。",
    "采用 MIT 许可证；Unreal Engine 另有独立许可。"
  ],
  "scope": "unknown",
  "targets": [
    "game",
    "protocol"
  ],
  "url": "https://github.com/GloriousEggroll/OpenUT2k4",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}