# Klonoa: Empire of Dreams — a matching GBA decompilation

> Klonoa: Empire of Dreams reconstructs the USA Game Boy Advance game as C that aims to build a byte-identical ROM. It generates assembly for unfinished functions from the user's ROM, replaces functions with C, checks the ROM hash and records emulator experiments about game behavior.

- 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/Dream-Atelier/kl-eod-decomp>
- Primary source: <https://github.com/Dream-Atelier/kl-eod-decomp/blob/45e66dd20f55b637656bc86129b9ba3bd49a01d6/README.md>
- Catalog page: <https://awesomerea.org/resources/klonoa-empire-of-dreams-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/klonoa-empire-of-dreams-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/klonoa-empire-of-dreams-decomp-case/index.md)

## Requirements & limits

- **Prerequisites:** A legally obtained USA ROM, ARM GNU Toolchain, host C compiler, GNU Make and Python 3.13+ are required.
- **Limits:** The project is a work-in-progress decompilation with some functions still included as assembly.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/Dream-Atelier/kl-eod-decomp/blob/45e66dd20f55b637656bc86129b9ba3bd49a01d6/README.md>
2. <https://github.com/Dream-Atelier/kl-eod-decomp/blob/45e66dd20f55b637656bc86129b9ba3bd49a01d6/docs/dynamic-analysis/README.md>

## More in Games

- [lbtvg: matching decompilation of LEGO Batman: The Videogame](https://awesomerea.org/resources/lbtvg-lego-batman-case/index.md) · Case study
- [Legaia 2: Duel Saga: matching the PAL PlayStation 2 executable](https://awesomerea.org/resources/legaia2-decomp-case/index.md) · Case study
- [Legend of Mana: a matching decompilation of the PlayStation game](https://awesomerea.org/resources/legend-of-mana-decomp-case/index.md) · Case study
- [LEGO City Undercover: a matching Nintendo Switch decompilation](https://awesomerea.org/resources/lego-city-undercover-decomp-case/index.md) · Case study
- [LEGO Island: source reconstruction with separately reported exact rebuilds](https://awesomerea.org/resources/lego-island-decomp-case/index.md) · Case study
- [LEGO Racers: a function-matched decompilation of the 1999 Windows game](https://awesomerea.org/resources/lego-racers-decomp-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.