Case study

Gran Turismo 3: A-Spec: matching PS2 executable decompilation

gt3-decomp reconstructs C and C++ for Gran Turismo 3: A-Spec's PS2 CORE.GT3 executable, NTSC-U v1.00. It compiles functions with the original ee-gcc toolchain, checks instructions per function, and SHA-1-compares a full build that combines matched source with disassembly from the user's executable; the author reports partial matching progress.

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

Stars: 16
Last commit: 2026-10-16
Language: C
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: A personal copy of the NTSC-U v1.00 game disc is required.
Prerequisites: Linux or WSL and Python 3.11 or later with rabbitizer are required.
Limits: The author reports 3,557 of 11,407 functions matching at the cited October 2026 progress point.
License: MIT license.

Cite

BibTeX

@misc{gt3-decomp-case,
  title = {{Gran Turismo 3: A-Spec: matching PS2 executable decompilation}},
  howpublished = {\url{https://github.com/gustavocanepa/gt3-decomp}},
  url = {https://github.com/gustavocanepa/gt3-decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/gt3-decomp-case/}}
}

Plain text

Gran Turismo 3: A-Spec: matching PS2 executable decompilation. https://github.com/gustavocanepa/gt3-decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/gt3-decomp-case/

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About this entry

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Primary sources

README.md GitHub · gustavocanepa/gt3-decomp · Revision ccec99c
orig/README.md GitHub · gustavocanepa/gt3-decomp · Revision ccec99c