{
  "added_at": "2026-11-09",
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "OpenGT4 is a native Windows port of Gran Turismo 4, reimplemented in C. The tested disc is NTSC-U SCUS-97328 version 2.00. CORE.GT4 on that disc has SHA-1 30031137ce494323816bb707b90d3ec0d07937d2. The player selects a disc image in the launcher. The release files are OpenGT4-<version>-setup.exe and OpenGT4-<version>-win64.zip.",
  "description_zh": "OpenGT4 是用 C 重新实现的《跑车浪漫旅 4》Windows 原生移植。经过测试的光盘是 NTSC-U SCUS-97328 版本 2.00。该光盘上 CORE.GT4 的 SHA-1 是 30031137ce494323816bb707b90d3ec0d07937d2。玩家在启动器里选择光盘镜像。发布文件是 OpenGT4-<version>-setup.exe 和 OpenGT4-<version>-win64.zip。",
  "entry_url": "https://awesomerea.org/resources/opengt4/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/opengt4/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/MrGoodGuy2144/OpenGT4/blob/736124fd00c4b6e6728280c8109018bca726dae3/README.md",
  "group": "cases",
  "id": "opengt4",
  "json_url": "https://awesomerea.org/resources/opengt4/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/opengt4/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/opengt4/index.md",
  "name": "OpenGT4: reimplementing Gran Turismo 4 for Windows",
  "name_zh": "OpenGT4：在 Windows 上重实现《Gran Turismo 4》",
  "reconstruction_method": "engine-reimplementation",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirements": [
    "Windows, Visual Studio 2022 Build Tools, and CMake. SDL2 and miniz are fetched by CMake. FFmpeg is used for the game's movies. Build with cmake -S . -B build -G \"Visual Studio 17 2022\", then cmake --build build --config Release --target opengt4.",
    "License: GNU GPL version 3. NOTICE adds section 7 terms: a derived work says Based on OpenGT4, and a modified version is marked as different from the original. ps2float from PCSX2 is LGPL-3.0-or-later."
  ],
  "requirements_zh": [
    "需要 Windows、Visual Studio 2022 Build Tools 和 CMake。SDL2 和 miniz 由 CMake 获取。游戏影片使用 FFmpeg。用 cmake -S . -B build -G \"Visual Studio 17 2022\" 配置，然后运行 cmake --build build --config Release --target opengt4。",
    "许可证：GNU GPL 第 3 版。NOTICE 附加第 7 条：衍生作品写明 Based on OpenGT4，修改版标明与原版不同。来自 PCSX2 的 ps2float 是 LGPL-3.0-or-later。"
  ],
  "scope": "unknown",
  "targets": [
    "game"
  ],
  "url": "https://github.com/MrGoodGuy2144/OpenGT4",
  "verification": "source-reviewed",
  "verified_at": "2026-11-07"
}