# Haxball Rooms API: decoding the binary room listing

> Haxball Rooms API documents the binary room-listing response used by the Haxball game and displays parsed rooms in a browser table. Its layout notes identify length fields, room IDs, names, flags, coordinates, password status and player counts by byte offset.

- 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/Skarmunds/haxball_rooms_api>
- Primary source: <https://github.com/Skarmunds/haxball_rooms_api/blob/0f8c997f7ffef84230ed513608a9f1bc44bd91b9/README.md>
- Catalog page: <https://awesomerea.org/resources/haxball-rooms-api-case/>
- Record JSON: <https://awesomerea.org/resources/haxball-rooms-api-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/haxball-rooms-api-case/index.md)

## Requirements & limits

- **Prerequisites:** The browser page reads the Haxball Rooms API.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/Skarmunds/haxball_rooms_api/blob/0f8c997f7ffef84230ed513608a9f1bc44bd91b9/README.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.