Build next .IO games with Colyseus.

Focus on the gameplay instead of networking.

If you're a solo indie developer, small or large game studio, Colyseus will allow you to deliver realtime or turn-based multiplayer games in record time.


Authoritative server. Designed to be intuitive and simple to use.

Supported platforms

Colyseus comes with official support for these platforms.

Need a client for a different platform? Share your interest on the discussion board!


A selection of games using Colyseus as Multiplayer Realtime Server


Go totally on your own. We're here if you need support, too.

Have a question? Feel free to leave us a message.