# ToeJam & Earl: matching Sega Genesis decompilation

> ToeJam & Earl reconstructs two Sega Genesis retail revisions as matched C and readable 68000 and Z80 assembly. Build tools extract typed assets from the user's ROM and compare each rebuilt image with the original; the author reports byte-identical builds for both revisions.

- 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/mschienbein/toejam-earl-decomp>
- Primary source: <https://github.com/mschienbein/toejam-earl-decomp/blob/57fc83fc54781af8e992bbc3b32afe788c1dbd01/README.md>
- Catalog page: <https://awesomerea.org/resources/toejam-and-earl-case/>
- Record JSON: <https://awesomerea.org/resources/toejam-and-earl-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/toejam-and-earl-case/index.md)

## Requirements & limits

- **Prerequisites:** Linux or macOS, a C compiler, make, uv and the user's own game dump are required.
- **Prerequisites:** The build uses Microtec MCC68K 3.3K, m68k and Z80 binutils, and emu2.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/mschienbein/toejam-earl-decomp/blob/57fc83fc54781af8e992bbc3b32afe788c1dbd01/README.md>
2. <https://github.com/mschienbein/toejam-earl-decomp/blob/57fc83fc54781af8e992bbc3b32afe788c1dbd01/docs/STATUS.md>

## More in Games

- [Tom and Jerry Tales: matching decompilation of the EU Nintendo DS game](https://awesomerea.org/resources/tom-and-jerry-tales-decomp-case/index.md) · Case study
- [Tomba!: matching decompilation of four PlayStation releases](https://awesomerea.org/resources/tomba-decomp/index.md) · Case study
- [Tombi!: matching PlayStation decompilation and native port](https://awesomerea.org/resources/tombi-matching-decomp-case/index.md) · Case study
- [Tony & Friends: New Adventures: a reccmp-guided decompilation](https://awesomerea.org/resources/tony2-decomp-case/index.md) · Case study
- [Tony Hawk's Pro Skater: a matching Nintendo 64 decompilation](https://awesomerea.org/resources/thps64-case/index.md) · Case study
- [Tony Hawk's Underground: a matching PS2 decompilation](https://awesomerea.org/resources/tony-hawks-underground-ps2-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.