# SonicTheHedgehog2Recomp: a Sonic 2 native runner with ROM-derived code

> SonicTheHedgehog2Recomp runs Sonic the Hedgehog 2 through ROM-derived generated C and a native runner. Game-specific code handles saves, character options, wider stage rendering, and object visibility, while the Android instructions describe generating code from the user's ROM before cross-building.

- 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/mstan/SonicTheHedgehog2Recomp>
- Primary source: <https://github.com/mstan/SonicTheHedgehog2Recomp/blob/b3e7082c6db9d91960271087c8763eb4f3d16296/README.md>
- Catalog page: <https://awesomerea.org/resources/sonic-the-hedgehog-2-recomp-case/>
- Record JSON: <https://awesomerea.org/resources/sonic-the-hedgehog-2-recomp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/sonic-the-hedgehog-2-recomp-case/index.md)

## Requirements & limits

- **Prerequisites:** Supply a Sonic 2 (World) Rev A / REV01 ROM.
- **Prerequisites:** Some optional characters and menu art require separately supplied donor ROMs.
- **Limits:** Several character, widescreen, and campaign features remain experimental.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/mstan/SonicTheHedgehog2Recomp/blob/b3e7082c6db9d91960271087c8763eb4f3d16296/README.md>
2. <https://github.com/mstan/SonicTheHedgehog2Recomp/blob/b3e7082c6db9d91960271087c8763eb4f3d16296/android/README-android.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.