SmartFoxServer is a comprehensive SDK for rapidly developing multiplayer games and applications with Unity, HTML5, iOS, Android, Java, Universal Windows Platform, Adobe Flash/Flex/Air, C++ and more.
SmartFoxServer comes with a rich set of features, an impressive documentation set, tens of examples with their source, powerful administration tools and a very active support forum.

Born in 2004, and evolving continuously since then, today SmartFoxServer is the leading middleware to create large scale multiplayer games, MMOs and virtual communities.
Thanks to its simplicity of use, versatility and performance, it currently powers hundreds of projects all over the world, from small chats and turn-based games to massive virtual worlds and realtime games.

January 12th, 2022SmartFoxServer 2.18.1 is available!

We just released a small update for SFS2X 2.18 that addresses a bug and a couple minor issues we’ve found. You can read the release notes and proceed with the download from here.

Please note: the patch requires SFS2X 2.18.0 to be already installed.

December 13th, 2021SmartFoxServer 2.18 is out!

We have just released SmartFoxServer 2X 2.18.0, which provides several library updates, new runtime, support for M1 Macs, extra features and bug fixes.

Please note: the new release comes as a standalone installer so it can’t be used to update a previous instance.

» Get the new SmartFoxServer 2.18.0 installer from our download section.
» Read the full release notes here.

October 20th, 2021Load Balancing SmartFoxServer 2X with HAProxy

In this article we are going to explore several ways to use the open source HAProxy load balancer in conjunction with SFS2X, to increase the scalability and availability of a multiplayer project.

We are going to show different configurations for TCP and Websocket connections and several ways to setup the system for common use cases.

To get the most out of this tutorial we require a basic knowledge of what a Load Balancer is and how it works, and some familiarity with the basics of networking and the OSI Model.

September 10th, 2021How to switch to a different JRE

We have added a new article to our SFS2X documentation website for developers who need to run SFS2X with a different Java Runtime version.

We provide a short list of JRE/JDK vendors that we have tested over the course of many years and a detailed table of compatibility with the more recent Java Runtimes, up to version 16.

You can read the JRE Compatibility article here.

September 10th, 2021SFS2X 2.17.3 is available!

We have just released cumulative patch 2.17.3 for SmartFoxServer 2X, addressing an issue with the Flood Filter and another with MMORooms.

For more details on all recent changes and updates check our release notes here.

Download the update.

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