Case study

Touhou Eiyashou: matching-source reconstruction of version 1.00d

Touhou Eiyashou reconstructs C++ source for the Japanese 1.00d release of Touhou 8 and compares rebuilt code with the original executable using reccmp. The public repository contains source, build scripts and mapping data; further decompilation is being developed privately until completion.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 31
Last commit: 2026-10-06
Language: C++
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: An original th08.exe version 1.00d is required.
Prerequisites: The build uses Python 3.4 or newer, Visual Studio 2002 and DirectX 8.0; Linux and macOS workflows also use Wine and msiextract.
Limits: The public source is an early, unfinished snapshot.
License: MIT.

Cite

BibTeX

@misc{gensokyoclub-th08-case,
  title = {{Touhou Eiyashou: matching-source reconstruction of version 1.00d}},
  howpublished = {\url{https://github.com/GensokyoClub/th08}},
  url = {https://github.com/GensokyoClub/th08},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/gensokyoclub-th08-case/}}
}

Plain text

Touhou Eiyashou: matching-source reconstruction of version 1.00d. https://github.com/GensokyoClub/th08 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/gensokyoclub-th08-case/

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Primary sources

README.md GitHub · GensokyoClub/th08 · Revision f345c7d