# Conker's Bad Fur Day: an in-progress N64 decompilation

> Conker's Bad Fur Day Decompilation reconstructs the US Nintendo 64 game from C, assembly and ROM-extracted sections. Its build splits compressed code, recompiles recovered functions and checks the rebuilt ROM; documentation also records the ROM layout and its rzip compression.

- 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/mkst/conker>
- Primary source: <https://github.com/mkst/conker/blob/3adf229175c037c771f251f169f9dd80ca306924/README.md>
- Catalog page: <https://awesomerea.org/resources/conkers-bad-fur-day-decomp-case/>
- Record JSON: <https://awesomerea.org/resources/conkers-bad-fur-day-decomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/conkers-bad-fur-day-decomp-case/index.md)

## Requirements & limits

- **Prerequisites:** An owned US Conker's Bad Fur Day ROM named baserom.us.z64.
- **Prerequisites:** Docker is the assumed build environment; the instructions also describe Ubuntu 20.04 under WSL.
- **Limits:** The decompilation and asset-format documentation are unfinished.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/mkst/conker/blob/3adf229175c037c771f251f169f9dd80ca306924/README.md>
2. <https://github.com/mkst/conker/blob/3adf229175c037c771f251f169f9dd80ca306924/conker/README.md>

## More in Games

- [Conker's Bad Fur Day: function-matched N64 decompilation](https://awesomerea.org/resources/64cbfd-conker-decomp-case/index.md) · Case study
- [Conker's Bad Fur Day: matching Nintendo 64 decompilation](https://awesomerea.org/resources/conkers-bfd-decomp/index.md) · Case study
- [Contra (J) disasm: rebuilding the Japanese NES game](https://awesomerea.org/resources/contra-j-disasm-case/index.md) · Case study
- [Cosmore: reconstructing Cosmo's Cosmic Adventure](https://awesomerea.org/resources/cosmore-case/index.md) · Case study
- [Crackdown 2: byte-matched Xbox 360 decompilation](https://awesomerea.org/resources/crackdown-2-decomp-case/index.md) · Case study
- [Crash Bandicoot: a matching PlayStation decompilation](https://awesomerea.org/resources/crash-bandicoot-matching-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.