# Castlevania: Order of Ecclesia — decompiling the Nintendo DS game

> This is a work-in-progress decompilation of Castlevania: Order of Ecclesia for the Nintendo DS. The supported original cartridges are YR9E00 (USA), YR9J00 (Japan), YR9K00 (Korea), and YR9P00 (PAL), all revision 0. Install steps are in INSTALL.md.

- 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/LagoLunatic/ooe>
- Primary source: <https://github.com/LagoLunatic/ooe/blob/3dc4a82881b4cb8f9d584571fcf2053ddc584f6a/README.md>
- Catalog page: <https://awesomerea.org/resources/ooe-decomp/>
- Record JSON: <https://awesomerea.org/resources/ooe-decomp/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/ooe-decomp/index.md)

## Requirements & limits

- The README names no license.

## Primary sources

1. <https://github.com/LagoLunatic/ooe/blob/3dc4a82881b4cb8f9d584571fcf2053ddc584f6a/README.md>

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## 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.