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This demo project shows how to develop a full multiplayer first/third person combat game with Godot and SmartFoxServer 3.

The game utilizes SmartFoxServer 3's ability to mix TCP and UDP -based messaging. All critical game informations (shooting, animation sync, damage, etc) exchanged between the server and clients are sent via TCP for reliable delivery. On the other hand, sending updates to the player position, which is continuously sent by and to all clients, is executed using UDP.

For more information, check our in-depth tutorial on the SmartFoxServer 3 documentation website.

SmartFoxServer is a comprehensive platform for rapidly developing multi-user applications and games with Godot, HTML5, iOS, Android, Java and more. It comes with an extremely rich set of features, an impressive documentation set, tens of examples with their source, powerful administration tools, an included free 100 CCU license 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 powers hundreds of projects all over the world, from small chats and turn-based games to massive virtual worlds and realtime games. Learn more on the SmartFoxServer website.

Main SmartFoxServer features

SmartFoxServer 3 expands the capabilities of its predecessor (SmartFoxServer 2X) with a host of important new features, support for the latest Java runtime, improved performance, new API and management tools:

Built on Java 25 LTS, leveraging the latest Java features for performance and scalability
Proprietary TCP/UDP socket engine with new architecture supporting virtual threads and multiple UDP channels
Simplified architecture, with virtual threads taking care of scalability complexity
Improved protocol: less overhead and more efficient serializer providing even higher throughput than its predecessor
Low-latency, multi-channel reliable UDP implementation, providing both reliable/ordered and unreliable/ordered options, in addition to raw UDP
Multi-language server-side Extensions (Java / Kotlin / Scala / Groovy), with new sync/async processing option
Advanced class loading mechanism that avoids dependency conflicts between Extensions and relative .jar libraries
HRC system for transparent reconnection of unstable clients
BlueBox add-on for firewall and proxy traversal
Flooding filter with auto-kick / auto-ban functions
Customizable bad words filter with auto-kick / auto-ban functions
Real-time live audio streaming allowing in-game chats, messenger type applications and more
Public and private chat messaging; moderation support (kick, ban)
Server-side variables
Game API for match-making
Game spectators support
Advanced Buddy List system with black-list, permissions, offline buddy variables, etc.
Invitations and challenges system
Special MMO API for "Area of Interest"-based users proximity notification
Web-based administration dashboard with live metrics, persistent performance history and advanced configuration options
Embedded web server