# AvalonEmu: reconstructing an Albion Online local server

> AvalonEmu reconstructs an Albion Online local server for a specific client build in C# and .NET 10. It implements Photon UDP transport, Protocol18 serialization, encrypted handshakes, login and world systems, and a decoder for packet captures. The server loads GameData from the user's own client installation.

- Type: Case study
- Targets: Game · Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/MrGreenCheezz/AvalonEmu>
- Primary source: <https://github.com/MrGreenCheezz/AvalonEmu/blob/d93eb86c8bfc98ad2bd1e55f974eb2efb79469a0/README.md>
- Catalog page: <https://awesomerea.org/resources/avalonemu-case/>
- Record JSON: <https://awesomerea.org/resources/avalonemu-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/avalonemu-case/index.md)

## Requirements & limits

- **Prerequisites:** .NET 10 SDK and GameData from a client installation owned by the user are required.
- **Limits:** The server targets client build 1.32.030.345319; other builds are unsupported.
- **License:** MIT license.

## Primary sources

1. <https://github.com/MrGreenCheezz/AvalonEmu/blob/d93eb86c8bfc98ad2bd1e55f974eb2efb79469a0/README.md>

## More in Games

- [AZMCO: reconstructing Motor City Online and its renderers](https://awesomerea.org/resources/azmco-case/index.md) · Case study
- [Bandersnatch: an annotated ZX Spectrum code disassembly](https://awesomerea.org/resources/bandersnatch-zx-spectrum-case/index.md) · Case study
- [Banjo-Kazooie: rebuilding the game from base ROMs](https://awesomerea.org/resources/banjo-kazooie-rebuild-case/index.md) · Case study
- [Batla 3D server emulator (2015 client)](https://awesomerea.org/resources/batla-3d-server-emulator-case/index.md) · Case study
- [Battlefield Heroes: master-server protocol reconstruction](https://awesomerea.org/resources/bfh-master-protocol-case/index.md) · Case study
- [battlepod: reconstructing the BattleTech arcade cockpit](https://awesomerea.org/resources/battlepod-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.