Colyseus is described as 'Authoritative Multiplayer Game Server for Node.js. It allows you to focus on your gameplay instead of bothering about networking' and is a game development tool in the games category. There are three games similar to Colyseus for Windows, Web-based, Self-Hosted and SaaS. The best Colyseus alternative is Lance, which is both free and Open Source. Other Colyseus like games are Photon Engine and Reactor Multiplayer Engine.
Lance is a real-time multiplayer game server, it provides an extendible Node.JS based server, on which game logic runs, as well as a client-side library which synchronizes the client's game state with the server game state.
Global cross platform multiplayer game backend as a service (SaaS, Cloud) for synchronous and asynchronous games and applications. SDKs are available for android, iOS, .NET., Mac OS, Unity 3D, Windows, Unreal Engine, HTML5 and others.
Reactor is a fully server-authoritative multiplayer system which includes integrated hosting and orchestration as well as the most efficient networking stack available.
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