Case study

TH11: byte-exact source reconstruction of Subterranean Animism

TH11 reconstructs source for the original Japanese 1.00a executable of Touhou 11: Subterranean Animism. It records function boundaries and origins, compiles maintained C and C++ with a pinned VC9 toolchain, and compares complete generated code and relocations with the target.

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: 2
Last commit: 2026-11-08
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: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: Supply the original Japanese TH11 1.00a executable at resources/th11.exe with the documented SHA-256.
Prerequisites: The workflow uses pinned Capstone, Ghidra and a VC9 compiler candidate.
Limits: The Windows i386 production build, full runtime and portability remain open.
License: MIT licence for repository-authored code and documentation.

Cite

BibTeX

@misc{th11-reconstruction-case,
  title = {{TH11: byte-exact source reconstruction of Subterranean Animism}},
  howpublished = {\url{https://github.com/N0zoM1z0/th11}},
  url = {https://github.com/N0zoM1z0/th11},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/th11-reconstruction-case/}}
}

Plain text

TH11: byte-exact source reconstruction of Subterranean Animism. https://github.com/N0zoM1z0/th11 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/th11-reconstruction-case/

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About this entry

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Primary sources

README.md GitHub · N0zoM1z0/th11 · Revision 46bfd04
docs/PROGRESS.md GitHub · N0zoM1z0/th11 · Revision 46bfd04