Top 238 multiplayer open source projects

Generic C/C++ client for Nakama server.

New demo version of Halo for the Mac.

A multiplayer Node.js light gun shooter inspired on Doom

A high-fantasy MORPG.

A multiplayer C# game framework for Godot 3.2 Mono.

A reimplementation of the board game "A Game of Thrones: The Board Game 2nd Edition"

Powder Toy Multiplayer Script

A Simple Multiplayer Game, built with Mage Game Engine.

Multiplayer turn-based browser strategy game

Flexible networking library for Unity

RetroTanks: Atari Combat Reimagined, built in Meteor.js. Great isomorphic JavaScript example.

Multiplayer First-Person Shooter written in C++ using my own engine, Qor

🚀 Making multi-player gamedev simpler since 2017

khan will drive all your enemies to the sea (and also take care of your game's clans)!

Turn Based Strategy Game. Master your beasts! 🐺

[Mirror] An open world, open source voxel RPG inspired by Dwarf Fortress and Cube World

Shoebill-api is one main part of the shoebill project.

TrinityCore Open Source MMO Framework (master = 9.1.5.41488, 3.3.5 = 3.3.5a.12340)

A game networking framework built for the Unity Engine to abstract game networking concepts.

Compatible client of Ace of Spades 0.75

Multi Theft Auto is a game engine that incorporates an extendable network play element into a proprietary commercial single-player game.

游戏服务器框架，网络层分别用SocketAPI、Boost Asio、Libuv三种方式实现， 框架内使用共享内存，无锁队列，对象池，内存池来提高服务器性能。还包含一个不断完善的Unity 3D客户端，客户端含大量完整资源，坐骑，宠物，伙伴，装备, 这些均己实现上阵和穿戴, 并可进入副本战斗，多人玩法也己实现, 持续开发中。

Open "Minecraft-like" game with multiplayer support and Lua scripting support for the both client and server

Source code repository of the FreeOrion project.

Distributed server for social and realtime games and apps.

Launch your LASERCRAB at walls, ceilings, and enemy heads in this indie multiplayer shooter where "move" and "attack" are synonymous.

Source code for the Cities: Skylines Multiplayer mod (CSM)

Multiplayer game engine/framework built using SocketCluster and Phaser

A multiplayer lockstep RTS engine compatible with the Age of Empires II Trial assets

🎮 A multiplayer first person shooter game based on Unity Game Engine

Dedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes

Darkest Dungeon port in Unity. Almost completely identical to the original. Platforms: PC/Android.

A Curated List of Game Network Programming Resources

JSON-RPC 2.0 implementation over WebSockets for Node.js and JavaScript/TypeScript

eureca.io : a nodejs bidirectional RPC that can use WebSocket, WebRTC or XHR fallback as transport layers

Open source bridge simulator. Build with the SeriousProton engine.

⚔ Multiplayer Framework for Node.js

The main repository containing Stunt Rally sources and game data. A 3D racing game based on VDrift and OGRE with track editor.

SpatialOS GDK for Unity

Shared cockpit for Microsoft Flight Simulator.

🎮 A frictionless multiplayer web app that lets you play Set with friends

Collection of nice stuff for Godot

Multiplayer mod for Kerbal Space Program (KSP)

C++ Coop Horde Third-person Shooter for Unreal Engine 4 (Udemy Project)

State Management and Multiplayer Networking for Turn-Based Games

gRPC server for Multiplaying in Unity

A basic multiplayer game framework

WEdit is a tech mod that allows you to edit the world around you on a larger scale through various functions and features not present in the game.

Multiplayer RTS game prototype written in Java using LibGDX

Patch for Civilization V to allow modded multiplayer. Currently under development.

Online web role playing game (RPG) engine let you build your own game directly from your browser.

Typescript project based on matter.ts implementation."This version 2 of visualjs game engine, totally different approach. Whole project is based fully dependency build. Main file is app.ts and ioc.ts. Class ioc saves singleton instances also bind. In this project html and css is also present, webpack helps and handle this type of files. GamePlay…

a Multiplayer WebVR Space Shooter made with A-Frame and Socket.io

⚔️ Colyseus Multiplayer SDK for Cocos2d-x

A platform for real-time multiplayer trivia games 🎮

A multiplayer web real-time implementation of the famous Tic Tac Toe game in Haskell.

Node List Server is a multi-purpose server list system. NodeJS powered and supports Docker.

Bachelor's degree thesis on Unity DOTS architecture

A better version of Ogar

Symphony of the Empires is a RTS strategy game and map game.