SmartFoxServer is a comprehensive SDK for rapidly developing multiplayer games and applications with Unity, HTML5, Godot, iOS, Android, Java, UWP, 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.

July 20th, 2023Small API Update for all client platforms

We have just released a small update for our client API, which addresses the caching of UserVariables when users enter and leave multiple Rooms. A recent bug submission has pointed to a specific situation in which a UserVariable would remain in the cache, potentially wasting some memory.

You can read more in the related support forum discussion and download the latest release from our API Download page.

July 4th, 2023New Godot 4.x Examples available!

We have launched a new tutorial series for the Godot engine 4.x using our C# Client API.
The example pack contains five examples of increasing complexity with source code and detailed tutorials:

May 30th, 2023HTML5/Javascript API Cluster support is ready

We have now added SmartFoxServer Cluster support to our offical HTML5/JS client API.

You can obtain the new release from our client API download page and learn more on how to build a Cluster client from the Overcast documentation.

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  • New Shooter example and tutorial, substituting the outdated First Person Shooter example.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!

Hello,
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.

Read all the news