Fast, Simple, Customizable Multiplayer Framework

Colyseus is an open-source multiplayer solution that empowers game devs to Get To Fun Faster™. Built on Node.js

Ready to build? If so, check out Colyseus Arena, a fully managed solution for hosting your Colyseus server. If you're looking to develop and iterate multiplayer games FASTER, take advantage of all Arena has to offer:

Web IDE
Logs / Crash Reports
Realtime Gameplay Metrics
Global Data Centers
Auto-scaling and Load Balancing
Detailed Profiling Tools and Dashboard

With Colyseus Arena leave the hosting, scaling, and infrastructure to us so you can GET TO FUN FASTER™

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Synchronized

Automatic synchronization of server game states to all clients. Configurable messaging system to provide enhanced logic, such as game object-specific remote function calls & private messages.

Flexible

Support any game type and can be configured to fit your needs from a battle royale shooter to a desktop space MMORPG. Client SDKs to support multi-platform development including web, mobile, desktop, and console.

Authoritative

Rapid development with an authoritative implementation from the start. Easily build your games with server-side game loop/logic to provide fun mechanics and avoid client based hacks.

Join The Community

Get support. share games, and exchange ideas with our growing dev community. Check out our Forums and join us on Discord,

Github

Follow Colyseus on Github to view Source Code

Getting Started with Colyseus

Write your game server in TypeScript/JavaScript. Integrate into your game using one of our client SDK's. (See presentation overview, and more examples)

Building worlds with Colyseus

Colyseus' flexible framework and batteries-included examples will GET you from concept TO FUN FASTER than any other multiplayer solution. Colyseus server code is BATTLE-TESTED and is ready out-of-the-box to host your multiplayer game or social experience. See Colyseus in action below on these top games.

Raft Wars

Raft Wars Multiplayer is live! You'll be battling against people online. Some of the coolest features: build your own raft and take it to battle, lots of weapons, ammo and upgrades. Wind will affect your shots. And of course all the heroes from the original games, plus many more!
The game is playable in browser on Poki.com

SchoolBreak.io

Play quick 5 minute rounds with 6-10 players online as you try to make the greatest mess ever seen - but keep an eye out for teachers... and don't forget to frame Timothy for it - you don't want to end up stuck in detention.

Knight's Edge

Choose your weapon and take to the field in Knight’s Edge! Slay the monsters with your team, racing to see who will come out on top. Knight’s Edge is available in select countries on iOS and Android.

Teamflow

Teamflow is a virtual office for your team to hang out in. Bring back the presence of being in the office, the energy of working in the same room, the spontaneity of hallway conversations — the joy of feeling like a team.

NBA House Digital

NBA House Digital is an immersive social chat room experience where users can interact with each other, play mini games with chances to win incredible prizes, and get access to exclusive NBA content. All while watching the NBA Finals 2021 games live!

Decentraland

Decentraland is a 3D virtual world owned by the users! Colyseus is frequently utilized by the users to create unique multiplayer experiences within Decentraland!

MiniPool.io

MiniPool.io is a multiplayer billiards game with very realistic physics. Have fun playing this bar classic brought to your phone by Miniplay.com and become a true legend! Choose your avatar and customize both the stick and the table before you start playing against your friends.

Gunfight.io

Gunfight.io is an intense multiplayer game with pixel graphics. In the game, you and your team must eliminate the other team in a gunfight. Join either as a counter-terrorist or as a terrorist. The first team to accumulate 25 kills wins the battle. Crouch behind an object to protect yourself from the enemy's fire. To shoot, you need to enter scope mode; this mode has very limited visibility and you will have to stand up (which means your body is exposed and vulnerable to an attack). In certain maps, you can pick up a rocket and use it to deal high damage. Back up other team members to ensure victory. Good luck!

CSC

Get ready to embark on an adventure through the cosmos! CSC is a casual space MMO with fast-paced combat, a robust player economy, and an uncapped crafting system.

Players can discover & travel to different star systems, mine stellar bodies for resources, craft items and ships to sell, battle pirates and other players while commanding their very own starship! CSC's upcoming battle arena is built on Colyseus. CSC MMO is in the process of being fully migrated to use Colyseus Arena.

Super Battle Legends

Deploy, Shoot, Survive and become the ultimate Battle Legend. A fast paced battle royale experience for anyone and everyone to pick up and have fun. Battle upto 16 players, fight your friends, pickup your favorite legend, customize and have loads of fun in this casual take on the Battle Royale Genre.

Decentral Games

Play & earn gaming in the metaverse.

Ludo Express Winzo

Ludo is a famous board game that has been around since the beginning. People used to play a game called 'Pachisi,' which was a bit of a challenge, and Ludo is a simplified version of it.

Winzo Games

WinZO is the largest social gaming and interactive entertainment platform in India. Launched in early 2018, the Company provides a platform to third party game developers to host their games and earn up to 100x revenues when compared with conventional revenue models such as IAPs and Ads.

Squish

Squish! A fierce, competitive, and lightning fast local multiplayer platformer where you and up to three friends join an underground rave of the gooey undead and party it up until it starts falling down. Literally. Even as debris rain down on you, you must run, jump and push blocks around to put yourself in a better position and squish your opponents. Last goo around takes it all!

SongTrivia 2

SongTrivia2 is a music quiz game that allows you to play online with other players or your friends. Play Now!

Vocala

Vocala is a leading voice design studio and digital agency specializing in creating interactive experiences for smart speakers and voice-enabled devices.

VYS Games

VYS Games is an app development studio creating multiplayer mobile games.