# Phantasy Star Online Episode I & II Plus: matching GameCube decompilation

> This is a matching decompilation of Phantasy Star Online Episode I & II Plus for the GameCube, USA version 1.02, product code GPOE8P. The disc SHA-1 is 0ff155311f4cc57951c03baeb1a8cc15de5fe1cd. The executable files/PsoV3.dol has SHA-1 0d85744b51d7379efb025a943d0cd5aaae2191a3.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/zeroz41/pso-decomp>
- Primary source: <https://github.com/zeroz41/pso-decomp/blob/ae797d392bb93d5bf7164341870f78f864da23b0/README.md>
- Catalog page: <https://awesomerea.org/resources/pso-gc-decomp/>
- Record JSON: <https://awesomerea.org/resources/pso-gc-decomp/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/pso-gc-decomp/index.md)

## Requirements & limits

- Python 3.10 or newer and Ninja. Put the disc image in orig/GPOE8P/, then run python configure.py and ninja. The first build downloads the CodeWarrior compilers.
- License: MIT. Code adapted from other projects keeps its original notices.

## Primary sources

1. <https://github.com/zeroz41/pso-decomp/blob/ae797d392bb93d5bf7164341870f78f864da23b0/README.md>

## More in Games

- [Phantasy Star Online Ver. 2: a hybrid Dreamcast matching decompilation](https://awesomerea.org/resources/phantasy-star-online-ver-2-dreamcast-case/index.md) · Case study
- [Phantom Hourglass: an early-stage matching Nintendo DS decompilation](https://awesomerea.org/resources/phantom-hourglass-ds-decomp-case/index.md) · Case study
- [Pikmin 2: a fully matched GameCube decompilation across five releases](https://awesomerea.org/resources/pikmin-2-matching-decomp-case/index.md) · Case study
- [Pilotwings64Decomp: matching decompilation of Pilotwings 64](https://awesomerea.org/resources/pilotwings-64-decomp-case/index.md) · Case study
- [pokecrystal: a matching Pokémon Crystal disassembly](https://awesomerea.org/resources/pokecrystal-disassembly-case/index.md) · Case study
- [pokered: a matching Pokémon Red and Blue disassembly](https://awesomerea.org/resources/pokered-disassembly-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.