# Colyseus

> Colyseus is an open-source Node.js framework for building authoritative multiplayer game servers with real-time state synchronization, matchmaking, and integration into any game engine.

## Getting Started

- [Introduction](https://docs.colyseus.io/): Overview of Colyseus and quick start guide
- [Getting Started](https://docs.colyseus.io/getting-started): Platform-specific setup guides for TypeScript, JavaScript, React, Unity, and more

## API Reference

- [Client SDK](https://docs.colyseus.io/sdk): Client-side SDK for connecting to Colyseus servers
- [Server](https://docs.colyseus.io/server): Server configuration, presence, drivers, and debugging
- [HTTP Routes](https://docs.colyseus.io/server/http-routes): Defining custom API routes on the server
- [Rooms](https://docs.colyseus.io/room): Room API, lifecycle, sending and receiving messages, etc.
- [Room Messages](https://docs.colyseus.io/room/messages): Message composability and communication between clients and server
- [Room Reconnection](https://docs.colyseus.io/room/reconnection): Handling client reconnection to rooms
- [State Synchronization](https://docs.colyseus.io/state): Schema-based automatic state sync between server and clients
- [State Callbacks](https://docs.colyseus.io/sdk/state-sync-callbacks): Listening to state changes on the client
- [Matchmaker API](https://docs.colyseus.io/matchmaker): API for joining, creating, and querying rooms
- [Authentication](https://docs.colyseus.io/auth): Built-in authentication system

## Tools & Integrations

- [Built-in Tools](https://docs.colyseus.io/tools): Playground, monitoring, load testing, and unit testing
- [Database](https://docs.colyseus.io/database): Database integration guide
- [Payments](https://docs.colyseus.io/payments): Payment integration

## Infrastructure

- [Deployment](https://docs.colyseus.io/deployment): Deployment guides for various platforms
- [Scalability](https://docs.colyseus.io/scalability): Horizontal and vertical scaling strategies
- [Colyseus Cloud](https://docs.colyseus.io/cloud): Managed cloud service

## Additional Resources

- [Best Practices](https://docs.colyseus.io/best-practices): Recommended patterns and practices
- [Recipes](https://docs.colyseus.io/recipes): Common recipes and implementation guides
- [FAQ](https://docs.colyseus.io/faq): Frequently asked questions
- [Migrating to 0.17](https://docs.colyseus.io/migrating/0.17): Migration guide for the latest version