# Sonic Adventure DX: a multi-version GameCube decompilation

> doldecomp/sadx reconstructs Sonic Adventure DX for GameCube across eight prototype, demo and retail versions. Its build uses extracted game DOL and REL files, builds DOLs and disassembles REL modules as the decompilation progresses.

- 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/doldecomp/sadx>
- Primary source: <https://github.com/doldecomp/sadx/blob/4c2b833be9b4b63d57d761beb647cb8d9acbedb6/README.md>
- Catalog page: <https://awesomerea.org/resources/sadx-gamecube-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/sadx-gamecube-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/sadx-gamecube-decomp-case/index.md)

## Requirements & limits

- Extract sys/main.dol and files/*.rel from a supported game version.
- Python and Ninja are required; some platforms need Wine or WiBo.
- For non-Preview versions, decompress underscore-prefixed REL files with Sonic Adventure Toolset.
- The decompilation is work in progress.

## Primary sources

1. <https://github.com/doldecomp/sadx/blob/4c2b833be9b4b63d57d761beb647cb8d9acbedb6/README.md>

## More in Games

- [Sonic CD: reconstructing the Sonic Gems Collection version](https://awesomerea.org/resources/sonic-gems-sonic-cd-decomp-case/index.md) · Case study
- [Sonic Mania: a game-code decompilation for the RSDKv5 engine](https://awesomerea.org/resources/sonic-mania-decomp-case/index.md) · Case study
- [Sonic Riders Tournament Edition: a GameCube decompilation](https://awesomerea.org/resources/sonic-riders-tournament-edition-case/index.md) · Case study
- [Sonic Riders: Zero Gravity: a PlayStation 2 prototype decompilation](https://awesomerea.org/resources/sonic-riders-zero-gravity-decomp-case/index.md) · Case study
- [Sonic the Fighters: a work-in-progress Model2b decompilation](https://awesomerea.org/resources/sonic-the-fighters-decomp-case/index.md) · Case study
- [SpaceCadetPinball: decompiled game logic adapted to SDL2](https://awesomerea.org/resources/space-cadet-pinball-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.