A curated list of Multiplayer Game Network Programming Resources

Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.

🚀 Making multi-player gamedev simpler since 2017

Megacity-Metro: a thrilling shooter game, using Netcode for Entities for a multiplayer experience supporting 128+ players. Latest DOTS packages and Unity Gaming Services elevate the user experience, demonstrating how to craft engaging multiplayer games.

Addons for building multiplayer games with Godot

A server-authoritative replication crate for Bevy.

• Updated Dec 31, 2025
• TypeScript

Netick is a C# networking solution for Unity.

Open-source cross-platform MMORPG built with Godot 4

C# ORM - High Performance, SQL, NoSQL, Messaging, Pub-Sub

3D Three.JS, Node.js Multiplayer Game - Cars - Physics - WWW.NOTBLOX.ONLINE - Roblox Like

C# Rollback network SDK

An advanced, modern networking library for Luau/Roblox

A template used for quickly setting up new Godot 4 C# games that features ENet multiplayer, visual in-game debugging and more.

A Multiplayer Platformer game demo on websocket+UDP peer-to-peer with delayed-input Rollback Netcode inspired by GGPO

Network physics with rollback test using Godot and netfox

General purpose client/server networking library written in Rust, built on top of the QUIC protocol which is implemented by quinn

⚔ Colyseus Multiplayer SDK for Haxe

This repository is designed to help developers learn how to get started with Facepunch/Steamworks Networking and Unity Netcode For GameObjects.

Fast and light BitWriter and BitReader.