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 19th, 2023SmartFoxServer 2.19.0 is available!

We have just released SmartFoxServer 2X 2.19.0, which introduces Extension Flood Filters to limit the number of Extension calls on a per-request basis. The release comes also with updated Tomcat (websocket/BlueBox), updated GeoIP database and a host of 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 2.19.0 installer from our download section.
» Read the full release notes here.

December 19th, 2022SmartFoxServer 2.18.4 patch is available!

We have just released SFS2X patch 2.18.4 which fixes a rare issue with encryption. You can read the release notes and proceed with the download from here.

While you are at it, also check out the latest client API in our dedicated download section.

Please note: the patch requires SFS2X 2.18.0 or higher.

September 21st, 2022New examples pack for Unity

We have updated the Unity examples pack and tutorials for SmartFoxServer 2X.
The new pack contains the following demo examples:

  • Connector
  • Lobby: Basics
  • Lobby: Buddies
  • Lobby: Matchmaking
  • Tic-Tac-Toe
  • First Person Shooter
  • MMO Basics
  • SpaceWar 2

What’s new?

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May 12th, 2022SmartFoxServer 2.18.3 is out!

We just released SFS2X patch 2.18.3 which fixes a couple of problems with the Analytics module, adds IP-range support for Admin clients and fixes a minor UI issue with the AdminTool. You can read the release notes and proceed with the download from here.

While you are at it, also check out the latest client API in our dedicated download section.

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

March 25th, 2022SmartFoxServer 2.18.2 is available!

We just released SFS2X patch 2.18.2 which provides a series of features that have been requested and launches updated client-side APIs for all supported platforms. You can read the release notes and proceed with the download from here.

The latest client API can be obtained from our dedicated download section.

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

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