Case study

Extermination: matching PS2 decompilation and gameplay traces

Extermination reconstructs source for the USA PS2 game's executable and uses a byte-identity build gate across the boot ELF and overlays. Its tools also capture play from the original in a PCSX2 fork, producing input and machine-state traces for comparison with a separate native port.

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

Stars: 1
Last commit: 2026-11-02
Language: C

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Requires the user's own legal copy of Extermination (USA, SCUS-97112).
Prerequisites: The documented play-recording workflow uses macOS, a PCSX2 debugging fork and the project's Python environment.
Limits: The reconstruction and native-port integration remain unfinished.
License: No licence file in the repository.

Cite

BibTeX

@misc{extermination-ps2-decomp-case,
  title = {{Extermination: matching PS2 decompilation and gameplay traces}},
  howpublished = {\url{https://github.com/FastestMolasses/Extermination}},
  url = {https://github.com/FastestMolasses/Extermination},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/extermination-ps2-decomp-case/}}
}

Plain text

Extermination: matching PS2 decompilation and gameplay traces. https://github.com/FastestMolasses/Extermination (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/extermination-ps2-decomp-case/

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About this entry

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Primary sources

README.md GitHub · FastestMolasses/Extermination · Revision 17e54e3
docs/PROGRESS.md GitHub · FastestMolasses/Extermination · Revision 17e54e3