# CS:GO Legacy: reconstructing Game Coordinator matchmaking

> CS:GO Legacy matchmaking research reconstructs a Game Coordinator path for starting and joining matches in the archived game. It combines a JavaScript coordinator, protobuf definitions, client and Linux server patches, and findings about reservation messages, match draft data, and map transitions; the author reports completing a match with map veto.

- 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/rawetrip/csgo-legacy-matchmaking>
- Primary source: <https://github.com/rawetrip/csgo-legacy-matchmaking/blob/955cca6f3fc590a270ace91349670844c78f8b3c/README.md>
- Catalog page: <https://awesomerea.org/resources/csgo-legacy-matchmaking-case/>
- Record JSON: <https://awesomerea.org/resources/csgo-legacy-matchmaking-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/csgo-legacy-matchmaking-case/index.md)

## Requirements & limits

- **Prerequisites:** CS:GO Legacy client build 1575 and a Linux srcds server, supplied separately.
- **Prerequisites:** The documented setup also requires a game-server login token and separately built client/server redirection components.
- **Limits:** Only the Prime queue is implemented; other matchmaking modes remain unfinished.
- **License:** GPL-3.0 License.

## Primary sources

1. <https://github.com/rawetrip/csgo-legacy-matchmaking/blob/955cca6f3fc590a270ace91349670844c78f8b3c/README.md>
2. <https://github.com/rawetrip/csgo-legacy-matchmaking/blob/955cca6f3fc590a270ace91349670844c78f8b3c/INSTALL.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.