{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/ksokolowski/olduvai/blob/a69e9204fc311c8810d696a6b799000d1bcd1642/docs/ARCHITECTURE.md"
  ],
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "Olduvai reimplements the 1991 Prehistorik engine in C++ and SDL2 for desktop and Linux handhelds, reading data from a user's game copy. Its documented method studies the DOS executable with disassemblers and checks behavior against a separate reference implementation frame by frame; the author reports a playable release candidate.",
  "description_zh": "Olduvai 使用 C++ 和 SDL2 为桌面及 Linux 掌机重建 1991 年的 Prehistorik 引擎，读取用户自己的游戏文件。其方法包括研究 DOS 可执行文件，并逐帧对照独立参照实现；作者报告当前候选版本可完整游玩。",
  "entry_url": "https://awesomerea.org/resources/olduvai-prehistorik-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/olduvai-prehistorik-case/",
  "evidence_class": 1,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/ksokolowski/olduvai/blob/a69e9204fc311c8810d696a6b799000d1bcd1642/README.md",
  "group": "cases",
  "id": "olduvai-prehistorik-case",
  "json_url": "https://awesomerea.org/resources/olduvai-prehistorik-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/olduvai-prehistorik-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/olduvai-prehistorik-case/index.md",
  "name": "Olduvai: reconstructing the Prehistorik engine",
  "name_zh": "Olduvai：重建 Prehistorik 游戏引擎",
  "preview_kind": "image",
  "preview_url": "https://awesomerea.org/previews/olduvai-prehistorik-case.png",
  "reconstruction_method": "engine-reimplementation",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "testing",
    "license"
  ],
  "requirements": [
    "A user-owned Prehistorik copy is required, either GOG data or the listed original floppy files.",
    "Building requires CMake 3.21 or later, a C++17 compiler and SDL2 2.0.20 or later.",
    "The author reports release-candidate status and frame-by-frame comparison with an independent reference.",
    "GPL-3.0-or-later."
  ],
  "requirements_zh": [
    "需要用户自己的 Prehistorik 副本，可使用 GOG 数据或文档列出的原版软盘文件。",
    "构建需要 CMake 3.21 及以上、C++17 编译器和 SDL2 2.0.20 及以上。",
    "作者报告项目处于候选发布阶段，并逐帧与独立参照实现比较。",
    "许可证为 GPL-3.0-or-later。"
  ],
  "scope": "partial",
  "targets": [
    "binary",
    "game"
  ],
  "url": "https://github.com/ksokolowski/olduvai",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}
