Case study

Rogue Galaxy: a matching PlayStation 2 decompilation

Rogue Galaxy reconstructs the NTSC-U PlayStation 2 game's main executable and five overlays as C or C++. Its build extracts remaining library code and data values from the user's disc, then compares all six linked images with the retail files; the author reports byte-identical outputs.

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: 12
Last commit: 2026-10-15
Language: C
License (GitHub): CC0-1.0

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: A legally owned NTSC-U Rogue Galaxy disc with the executable and five listed overlay files.
Prerequisites: Linux x86-64 or WSL, Python 3.10 or newer, and an i386 C runtime for the compiler.
Limits: The author reports all game functions rebuilt byte for byte; some linked library functions remain assembly extracted from the user's disc.
License: CC0-1.0.

Cite

BibTeX

@misc{rogue-galaxy-decomp-case,
  title = {{Rogue Galaxy: a matching PlayStation 2 decompilation}},
  howpublished = {\url{https://github.com/Dorgengoa/RGDecomp}},
  url = {https://github.com/Dorgengoa/RGDecomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/rogue-galaxy-decomp-case/}}
}

Plain text

Rogue Galaxy: a matching PlayStation 2 decompilation. https://github.com/Dorgengoa/RGDecomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/rogue-galaxy-decomp-case/

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Primary sources

README.md GitHub · Dorgengoa/RGDecomp · Revision c8c8b3c