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.

April 27th, 2023Updated examples pack for Unity

We have updated the Unity examples pack and tutorials for SmartFoxServer 2X.

What’s new?

  • New Shooter example and tutorial, substituting the outdated First Person Shooter example.
  • All examples now feature an Editor window providing setup instructions; all tutorials now reference those instructions.
March 31st, 2023SmartFoxServer Cluster launch and new updates!

we are pleased to announce that SmartFoxServer Cluster is finally here, as part of the tools in the Overcast cloud.

The new Cluster feature offers additional scalability super-powers to your SmartFoxServer based games with:

  • Automatic horizontal scaling
  • Automatic load balancing
  • Advanced cluster-wide matchmaking
  • Advanced monitoring and management via SFS2X AdminTool
  • Extended SFS2X client side API with new events and requests

Consult our website for more info on the Overcast cloud service

To learn more about the SmartFoxServer Cluster check the documentation website 

Also you can learn how to create SmartFoxServer Cluster applications in Unitythanks to a number of new detailed tutorials with source code that we have just released.

» Two months Cluster promotion

Starting today and until May 31st. 2023 all SmartFoxServer Cluster prices will be discounted by 20%

The promotion includes all prepaid server renewals until the end of the offer. After May 31st, server renewals will be reverted to the standard service price.

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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