Colyseus

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Score7.3

Rank#8 of 37

From$15/mo

Free planYes

Runs onAndroid, API, iOS, Linux, macOS, Self-hosted, Web, Windows

Summary

Colyseus is an open-source Node.js framework for building real-time multiplayer games, with matchmaking and state synchronization. Its authoritative server model has clients send inputs while the server decides game outcomes. Developers define game state on the server, which Colyseus synchronizes to clients without manual serialization. The framework creates rooms and matches players automatically; rooms can be distributed across processes or machines. The site says this approach can scale from 10 to 10,000+ concurrent users. SDKs or integrations are listed for JavaScript, Unity, Godot, GameMaker, Defold, Haxe, C, and Construct 3. The MIT-licensed framework is free for commercial games and can be self-hosted as a standard Node.js application on cloud platforms or bare metal. Colyseus Cloud provides deployment, scaling, and monitoring across 32 global locations. Its plan starts at $15/mo and includes email support, while the Open Source plan includes community support. Cloud currently has no free tier or automatic scaling; heavier workloads require increasing deployment resources through the dashboard.

Who it is for

It suits developers building real-time multiplayer games who want server-authoritative state synchronization and matchmaking. Teams can choose self-hosting or Colyseus Cloud, depending on their deployment needs.

What is good

MIT-licensed framework is free for commercial games
Built-in room creation and player matching
Listed SDKs span game engines and languages
Self-hosting and cloud hosting options

What to know first

Colyseus Cloud has no free tier
Cloud does not currently offer auto-scaling
Cloud starts at $15/mo

Verdict

Colyseus provides core multiplayer framework capabilities with either self-hosted deployment or a managed cloud option. The Cloud plan’s lack of a free tier and automatic scaling matters for teams weighing managed hosting.

Colyseus plans and pricing

All plans

Open Source Free Free Self-host on your own servers · Community support · No restrictions colyseus.io · 29 Sept 2026

Colyseus Cloud $15/mo Starting at $15/mo No CCU/DAU/MAU limits · Unlimited bandwidth · Managed SSL certificates · Support by email colyseus.io · 29 Sept 2026

Compared on game leaderboard software

Free plan: Yescolyseus.io
Paid from: $15/mocolyseus.io
Multiplayer networking: Yescolyseus.io
Player accounts: Yescolyseus.io
Matchmaking: Yescolyseus.io
Cloud data: Yescolyseus.io
Live-ops tools: Yescolyseus.io
Deployment model: hybridcolyseus.io

Facts

What it does: Colyseus is an open-source Node.js framework for building real-time multiplayer games, with built-in matchmaking and state synchronization.colyseus.io · 29 Sept 2026
Authoritative servers: Colyseus uses an authoritative server architecture in which clients send inputs and the server decides what happens.colyseus.io · 29 Sept 2026
State sync: Developers define game state on the server, and Colyseus synchronizes it to clients automatically without manual serialization.colyseus.io · 29 Sept 2026
Matchmaking and scale: The framework provides automatic room creation and player matching, and its site says it can scale from 10 to 10,000+ concurrent users by distributing rooms across processes or machines.colyseus.io · 29 Sept 2026
SDKs and engines: The site lists SDKs or integrations for JavaScript, Unity, Godot, GameMaker, Defold, Haxe, C, and Construct 3.colyseus.io · 29 Sept 2026
Open-source license: Colyseus describes the framework as MIT licensed and free for commercial games.colyseus.io · 29 Sept 2026
Hosting options: Colyseus is a standard Node.js application that can be deployed on AWS, Google Cloud, DigitalOcean, Fly.io, Railway, or bare metal.colyseus.io · 29 Sept 2026
Cloud locations: Colyseus Cloud provides deployment, scaling, and monitoring across 32 global locations.colyseus.io · 29 Sept 2026
Cloud availability limit: The Cloud hosting page says there is no free tier at this moment.colyseus.io · 29 Sept 2026
Cloud scaling limit: The Cloud hosting page says auto-scaling is not currently offered, and heavier workloads require upgrading deployment resources through the dashboard.colyseus.io · 29 Sept 2026
Cloud reliability: The Cloud hosting page advertises a 99.9% uptime SLA, monitoring and alerts, and zero-downtime rolling deployments.colyseus.io · 29 Sept 2026
Support: The Open Source plan includes community support, while Colyseus Cloud includes support by email.colyseus.io · 29 Sept 2026
Authentication integration: The official authentication module supports email and password, anonymous authentication, password reset, and OAuth 2.0 providers.docs.colyseus.io · 29 Sept 2026