# FH2MP: reconstructed Forza Horizon 2 online services

> FH2MP restores Forza Horizon 2 multiplayer with a replacement server based on protocol behavior recovered from the Xbox One game client. An in-game shim redirects sockets and web-service calls, while Python and Go servers handle lobbies, worlds and online features; a launcher manages setup and updates.

- Type: Case study
- Targets: Game · Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-06
- Original resource: <https://github.com/Charelene/FH2MP>
- Primary source: <https://github.com/Charelene/FH2MP/blob/150a4030b7560dee5349e0f4713427523042dfb6/README.md>
- Catalog page: <https://awesomerea.org/resources/fh2mp-case/>
- Record JSON: <https://awesomerea.org/resources/fh2mp-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/fh2mp-case/index.md)

## Requirements & limits

- **Prerequisites:** A legitimately owned Forza Horizon 2 Xbox One build 1.0.0.64 and Azimuth are required.
- **Limits:** The source warns of crashes, desynchronization and rough edges.
- **License:** GPL-3.0 licence.

## Primary sources

1. <https://github.com/Charelene/FH2MP/blob/150a4030b7560dee5349e0f4713427523042dfb6/README.md>
2. <https://github.com/Charelene/FH2MP/blob/150a4030b7560dee5349e0f4713427523042dfb6/native/README.md>

## More in Games

- [game-and-watch-patch: Nintendo Game & Watch custom firmware](https://awesomerea.org/resources/game-and-watch-patch-cfw-case/index.md) · Case study
- [GTA Mode: reverse-engineering SimCity 3000 Unlimited for a native plugin](https://awesomerea.org/resources/simcity-3000-gta-mode-case/index.md) · Case study
- [inFAMOUS Second Son native PC port](https://awesomerea.org/resources/infamous-second-son-pc-port-case/index.md) · Case study
- [Left 4 Dead 2: recovering the AI Director's behavior](https://awesomerea.org/resources/l4d2-director-research-case/index.md) · Case study
- [MTG Arena Collection Export: reconstructing the Frontdoor collection request](https://awesomerea.org/resources/mtg-arena-collection-export-case/index.md) · Case study
- [OpenPigeon: reconstructing GamePigeon iMessage game messages](https://awesomerea.org/resources/openpigeon-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.