Projects sharing features with Colyseus

This project is a browser-based, real-time multiplayer action game where players control a character on a 2D canvas to absorb objects and grow in size. It utilizes a Node.js game server and WebSockets to synchronize game state, player movement, and chat across all connected participants. The application is delivered as a dockerized game application, ensuring consistent hosting and deployment across different cloud environments through containerized server environments. The system implements an authoritative server model that processes all game logic and physics to prevent cheating and mainta

FiveM is a multiplayer modification framework and game engine modding tool. It serves as a platform for creating and hosting community-driven modifications for open-world game engines, functioning specifically as a framework for Grand Theft Auto V to enable custom servers and multiplayer game modes. The project provides a dedicated game server host for managing network traffic and synchronized game states in modified environments. Its capabilities extend to modding Red Dead Redemption 2, allowing for the extension of game mechanics and the addition of custom content. The framework supports c

This project is a first-person shooter template for Unity that implements networked gameplay, weapon systems, and player traversal. It functions as a multiplayer system designed to synchronize movements and actions between a server and clients via a network transport layer. The project serves as an example of high-fidelity game rendering using the High Definition Render Pipeline to deliver authored content and advanced visual quality. It also demonstrates the use of an entity component system to organize game data and logic for optimized processing and execution performance. The implementati

PartyKit is a serverless WebSocket backend platform for building real-time multiplayer applications. It provides a globally distributed edge computing runtime that runs stateful server code close to users, with automatic scaling and hibernation for idle rooms. The platform handles WebSocket connections, HTTP requests, and durable storage without requiring infrastructure management, and includes a client and server SDK with hooks, storage, and Yjs integration for building collaborative features. The platform distinguishes itself through per-room isolation using Durable Objects, where each uniq

Agones is a Kubernetes game server orchestrator designed for deploying, scaling, and managing dedicated multiplayer game server processes across a distributed cluster. It provides the core infrastructure needed to provision individual or grouped server processes to support real-time multiplayer gaming sessions. The system includes a fleet manager to automate the lifecycle of server groups based on player demand and a health monitor to track the connectivity and operational status of active processes. It integrates with cluster autoscalers to synchronize server resource requirements with cloud

KCP is a low-latency transport protocol and reliability layer designed to provide TCP-like guaranteed delivery and ordering over UDP. It implements an automatic repeat request protocol to minimize network jitter and delays, prioritizing timeliness over bandwidth efficiency. The project distinguishes itself through a pluggable congestion controller and flow control logic, allowing the transport layer to be tuned for specific network environments. It includes a NAT keep-alive system that uses periodic heartbeat packets to maintain active communication paths and prevent address translation timeo

This project is a networked first-person shooter framework built for the Unity game engine. It provides a foundational architecture for managing multiplayer sessions, enabling real-time synchronization of player movement, health, and combat actions across all connected clients. The framework utilizes an authoritative server model to maintain a consistent game state, supported by remote procedure calls to handle networked events. It incorporates a component-based entity system to define gameplay logic and uses state machines to manage character animations, ensuring smooth transitions between m

Turbulenz Engine is a cross-platform game engine and HTML5 framework designed for rendering graphics and simulating physics across desktop, mobile, and web environments. It functions as a WebGL graphics engine and a web-based physics engine, providing the necessary tools to build 2D and 3D games that run within browsers. The project includes a real-time multiplayer framework that synchronizes game states and player interactions between multiple users via server-side communication. This allows for the coordination of both real-time and asynchronous turn-based actions to maintain a consistent s

Fabric API is a modular framework designed for Minecraft mod development, providing a standardized set of hooks and libraries that enable the integration of custom content into the game. It serves as a foundational toolkit for injecting custom logic, assets, and networked data into the game environment during both startup and runtime phases. The framework distinguishes itself by facilitating interoperability between independent modifications through shared events and interface-based contracts, which allow different mods to interact without requiring direct dependencies. It manages the complex

This project is a first-person shooter game engine and a pseudo-3D rendering engine written in C. It serves as a software framework for rendering three-dimensional environments and managing entity physics. The engine includes a networked multiplayer system designed to synchronize game state and player actions across a client-server network. It utilizes a portable codebase that allows game logic to be adapted across different operating systems and hardware architectures. Core capabilities cover 3D game engine architecture, including spatial partitioning and depth-based rendering. The system a

Cuberite is a high-performance multiplayer game server for Java Edition clients, designed to provide a low-memory and low-CPU environment for hosting shared virtual spaces. The server is built for cross-platform deployment across various operating systems and hardware types. It allows for the extension of game mechanics and server logic through a Lua scripting interface, enabling functionality changes without recompiling the core engine. The project includes tools for server administration via a remote console and world data management for analyzing statistics and optimizing save file storag

Pomelo is a distributed Node.js game server framework designed for building scalable multiplayer game backends and real-time web applications. It employs a multi-process architecture to distribute application logic horizontally across a cluster of machines, enabling high concurrency and balanced network traffic. The framework utilizes a WebSocket communication layer to manage bidirectional data exchange between diverse web clients and server clusters. It incorporates a remote procedure call system for triggering functions across remote server processes and uses Protocol Buffers for binary ser

ET is a C# game server framework and distributed actor model runtime designed for large-scale multiplayer environments. It provides a comprehensive toolkit for building distributed game backends, incorporating a multiplayer network transport layer and a specialized suite for game AI and pathfinding. The framework is distinguished by its use of a distributed actor model to scale processing across multiple threads and servers, utilizing isolated actors for state management and messaging. It features a unified codebase architecture that allows shared logic between the server and client, enabling

Packet acknowledgement system for UDP

Lidgren Network Library

yojimbo is a network library for client/server games written in C++.

The socket manager

See various forks, also please join the Forge Community fork of Forge Alloy! -> https://github.com/ForgeAlloyCommunity/ForgeAlloy

Master Server framework for Unity

RakNet is a cross platform, open source, C++ networking engine for game programmers.

MagicOnion is a .NET RPC framework used to build type-safe remote procedure call services using shared interfaces for communication between servers and clients. It functions as a binary serialization framework and a distributed service orchestrator, providing a network layer for low-latency streaming and real-time data exchange. The project distinguishes itself through an AOT-compatible network client that uses source generators to support ahead-of-time compilation in restricted runtime environments. It enables bidirectional communication and real-time data streaming, allowing servers and mul