Build software better, together

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

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

An advanced, modern networking library for Luau/Roblox

C# Rollback network SDK

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

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

⚔ Colyseus Multiplayer SDK for Haxe

Fast and light BitWriter and BitReader.