Case study

Touhou 11: instruction-level C++ reconstruction

Reconstructs Touhou 11 v1.00a in C++ and compares rebuilt code with the original using objdiff and reccmp. The author reports 360 of 1,094 functions strictly matched; a browser-port layer is present but its stated development gate remains pending.

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: 1
Last commit: 2026-10-14
Language: C++

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: User-supplied original game, data archives, and proprietary compiler and SDK components.
Prerequisites: A container environment for VC9 compilation under Wine and comparison tools.
Limits: The author reports 360 of 1,094 functions strictly matched; the browser port is parked.
License: No licence file in the repository.

Cite

BibTeX

@misc{touhou-11-reconstruction-case,
  title = {{Touhou 11: instruction-level C++ reconstruction}},
  howpublished = {\url{https://github.com/AgentMystia/th11}},
  url = {https://github.com/AgentMystia/th11},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/touhou-11-reconstruction-case/}}
}

Plain text

Touhou 11: instruction-level C++ reconstruction. https://github.com/AgentMystia/th11 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/touhou-11-reconstruction-case/

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Primary sources

README.md GitHub · AgentMystia/th11 · Revision 9a8dc88