# Kirby: Nightmare in Dream Land: a matching Game Boy Advance decompilation

> Kirby: Nightmare in Dream Land decomp reconstructs the USA Game Boy Advance game in C with small runtime sections retained as labelled assembly. The author reports a byte-identical ROM build checked by SHA-1, plus shift and emulator boot checks; graphics, audio and other assets are taken from the user's own cartridge dump.

- 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/overjt/knidl>
- Primary source: <https://github.com/overjt/knidl/blob/628f4d461227d7a9e53b02e9eac8f63f4db5cf8b/README.md>
- Catalog page: <https://awesomerea.org/resources/kirby-nightmare-in-dream-land-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/kirby-nightmare-in-dream-land-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/kirby-nightmare-in-dream-land-decomp-case/index.md)

## Requirements & limits

- **Prerequisites:** A user-owned USA ROM dump named baserom.gba is required.
- **Prerequisites:** Docker and GNU make are required for the pinned build toolchain.
- **Scope:** Some runtime sections remain in assembly, and most game data is imported from the user's ROM.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/overjt/knidl/blob/628f4d461227d7a9e53b02e9eac8f63f4db5cf8b/README.md>
2. <https://github.com/overjt/knidl/blob/628f4d461227d7a9e53b02e9eac8f63f4db5cf8b/INSTALL.md>

## More in Games

- [Klonoa 2: Lunatea's Veil — matching PlayStation 2 decompilation](https://awesomerea.org/resources/kl2-lv-decomp/index.md) · Case study
- [Klonoa: Empire of Dreams — a matching GBA decompilation](https://awesomerea.org/resources/klonoa-empire-of-dreams-decomp-case/index.md) · Case study
- [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

## 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.