Case study

Final Fantasy X: an early decompilation of International and US alpha builds

Final Fantasy X decompiles the Japanese International release and supports a separate US alpha configuration. Its build extracts a user-supplied PS2 ELF, splits it into files and provides function-level assembly diffing against the target.

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

Stars: 5
Last commit: 2026-11-08
Language: Python

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Supply SLPS_250.88 from a Japanese International disc image or SLUS_203.12 from the US alpha.
Prerequisites: Python 3.9 or later and a mips-linux-gnu binutils toolchain are required.
Limits: The project is an early work in progress; file splitting remains incomplete.
License: No licence file in the repository.

Cite

BibTeX

@misc{final-fantasy-x-decomp-case,
  title = {{Final Fantasy X: an early decompilation of International and US alpha builds}},
  howpublished = {\url{https://github.com/Rozelette/ffx}},
  url = {https://github.com/Rozelette/ffx},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/final-fantasy-x-decomp-case/}}
}

Plain text

Final Fantasy X: an early decompilation of International and US alpha builds. https://github.com/Rozelette/ffx (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/final-fantasy-x-decomp-case/

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Primary sources

README.md GitHub · Rozelette/ffx · Revision e3a4f2b