{
  "added_at": "2026-11-09",
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "Tower Toppler reimplements the rotating-tower puzzle platformer Nebulus with newly drawn graphics. The author reports behavior close to the original after comparison, and the current game uses SDL for graphics and sound. A level editor supports new towers and missions.",
  "description_zh": "Tower Toppler 重做了以旋转高塔为特色的平台解谜游戏 Nebulus，并重新绘制画面。作者报告称，对照原作后，游戏行为已较为接近；当前版本使用 SDL 输出图形与声音，还提供高塔和任务的关卡编辑器。",
  "entry_url": "https://awesomerea.org/resources/tower-toppler-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/tower-toppler-case/",
  "evidence_class": 1,
  "evidence_status": "observed",
  "evidence_url": "https://gitlab.com/roever/toppler/-/blob/c8bf02b0f8bf8875a454758227bf2bfc029487c3/README.md",
  "group": "cases",
  "id": "tower-toppler-case",
  "json_url": "https://awesomerea.org/resources/tower-toppler-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/tower-toppler-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/tower-toppler-case/index.md",
  "name": "Tower Toppler: reimplementing Nebulus",
  "name_zh": "Tower Toppler：重做 Nebulus",
  "preview_kind": "image",
  "preview_url": "https://awesomerea.org/previews/tower-toppler-case.png",
  "reconstruction_method": "engine-reimplementation",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "SDL2, SDL2_mixer and zlib are listed for building the game.",
    "Rebuilding the data file additionally requires libpng, POV-Ray, GIMP, Blender and ImageMagick.",
    "The author notes that some sounds could be added and bugs may remain.",
    "No licence stated on the project page."
  ],
  "requirements_zh": [
    "构建游戏需要 SDL2、SDL2_mixer 和 zlib。",
    "重建数据文件还需要 libpng、POV-Ray、GIMP、Blender 和 ImageMagick。",
    "作者表示仍可增加音效，也可能存在程序错误。",
    "项目页面未说明许可证。"
  ],
  "scope": "partial",
  "targets": [
    "game"
  ],
  "url": "https://gitlab.com/roever/toppler",
  "verification": "source-reviewed",
  "verified_at": "2026-11-09"
}