# 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.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Rozelette/ffx>
- Primary source: <https://github.com/Rozelette/ffx/blob/e3a4f2be66dc5e86c19952b7ed7b052786d39e1a/README.md>
- Catalog page: <https://awesomerea.org/resources/final-fantasy-x-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/final-fantasy-x-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/final-fantasy-x-decomp-case/index.md)

## 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.

## Primary sources

1. <https://github.com/Rozelette/ffx/blob/e3a4f2be66dc5e86c19952b7ed7b052786d39e1a/README.md>

## More in Games

- [Fire Emblem: a partial US GBA disassembly and decompilation](https://awesomerea.org/resources/fe7-us-decomp-case/index.md) · Case study
- [Firefighter: a decompiled DOS game ported to Rust](https://awesomerea.org/resources/firefighter-rust-port-case/index.md) · Case study
- [Five Nights at Freddy's: Help Wanted: a Vive 1.0.11 code reconstruction](https://awesomerea.org/resources/help-wanted-vive-decomp-case/index.md) · Case study
- [FlyingDodgem: decompiling and porting HOVER!](https://awesomerea.org/resources/flyingdodgem-hover-case/index.md) · Case study
- [Frogger: SNES disassembly and ROM reconstruction](https://awesomerea.org/resources/frogger-snes-disassembly-case/index.md) · Case study
- [FS15 Reconstruction: Farming Simulator 15 and GIANTS Engine 6 component recovery](https://awesomerea.org/resources/fs15-reconstruction-case/index.md) · Case study

## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.