Build and ship real-time multiplayer experiences with Colyseus. Open-source framework for Node.js with built-in matchmaking, state sync, and SDKs for Unity, Defold, Haxe, and JavaScript.https://colyseus.io/https://colyseus.io/blog/axie-game-jam-2023/https://colyseus.io/blog/axie-game-jam-2023/Make a multiplayer Axie-themed game in 2 weeks. Total prize of $20,500.Sat, 23 Sep 2023 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/colyseus-016-is-here/https://colyseus.io/blog/colyseus-016-is-here/Introducing StateView. Experimental WebTransport support, and more.Tue, 18 Feb 2025 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/colyseus-017-is-here/https://colyseus.io/blog/colyseus-017-is-here/Automatic reconnection, full-stack TypeScript safety, new defineServer() API, and more!Fri, 06 Feb 2026 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/colyseus-is-fully-independent/https://colyseus.io/blog/colyseus-is-fully-independent/It's a new and exciting chapter for Colyseus!Thu, 04 May 2023 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/discord-embedded-sdk/https://colyseus.io/blog/discord-embedded-sdk/Create immersive, instant multiplayer experiences without downloads within the Discord AppMon, 25 Mar 2024 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/kaplay-game-jam-2024/https://colyseus.io/blog/kaplay-game-jam-2024/Take on the multiplayer challenge for a chance to win!Fri, 25 Oct 2024 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/new-demos-realtime-tanks-turnbased-cards/https://colyseus.io/blog/new-demos-realtime-tanks-turnbased-cards/One Colyseus server, a pile of client engines. Pick a style, clone a repo, start hacking.Tue, 14 Apr 2026 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/product-update-november-2024/https://colyseus.io/blog/product-update-november-2024/Improved alerting & monitoring system, rolling updates, and more!Thu, 14 Nov 2024 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/product-update-october-2023/https://colyseus.io/blog/product-update-october-2023/Introducing horizontal scalability and custom domain names.Mon, 30 Oct 2023 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/vibe-jam-2026/https://colyseus.io/blog/vibe-jam-2026/All 48 of them — built in a one-month jam where 90%+ of every line of code had to come from AI.Fri, 08 May 2026 00:00:00 GMTEndel Dreyerhttps://colyseus.io/blog/vite-integration/https://colyseus.io/blog/vite-integration/Develop your multiplayer game with hot module reloading, unified builds, and zero-config server setup.Fri, 10 Apr 2026 00:00:00 GMTEndel Dreyer