Case study

gh3-decomp: matching Guitar Hero III PS2 decompilation

gh3-decomp reconstructs the USA PlayStation 2 release of Guitar Hero III: Legends of Rock as C++ compiled with the game's original compiler. Its build extracts the executable from the user's disc image, splits it, and compares the linked result byte for byte; the author reports that 28.78% of game code is matching C++.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 3
Last commit: 2026-10-25
Language: C++
License (GitHub): AGPL-3.0

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: A personal copy of the USA SLUS-21672 disc image is required.
Prerequisites: Python 3.9+, 7z, ninja, curl and the setup script's PS2 toolchain are required; the project supports macOS arm64 and Linux x86-64.
Limits: The author reports 28.78% of game code in matching C++; remaining functions use original assembly during the build.
License: GNU AGPL v3.0.

Cite

BibTeX

@misc{gh3-decomp-case,
  title = {{gh3-decomp: matching Guitar Hero III PS2 decompilation}},
  howpublished = {\url{https://github.com/Ketbome/gh3-decomp}},
  url = {https://github.com/Ketbome/gh3-decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/gh3-decomp-case/}}
}

Plain text

gh3-decomp: matching Guitar Hero III PS2 decompilation. https://github.com/Ketbome/gh3-decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/gh3-decomp-case/

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Primary sources

README.md GitHub · Ketbome/gh3-decomp · Revision 5f24db7