The Top 101 Multiplayer Open Source Projects

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The Top 101 Multiplayer Open Source Projects

Categories > Games > Multiplayer

Openage ⭐10,040

Free (as in freedom) open source clone of the Age of Empires II engine 🚀

Openrct2 ⭐8,889

An open source re-implementation of RollerCoaster Tycoon 2 🎢

A simple Minecraft clone written in C using modern OpenGL (shaders).

Trinitycore ⭐6,453

TrinityCore Open Source MMO Framework (master = 8.3.7.35662, 3.3.5 = 3.3.5a.12340)

Nakama ⭐3,925

Distributed server for social and realtime games and apps.

Agones ⭐3,463

Dedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes

Game Networking Resources ⭐3,195

A Curated List of Game Network Programming Resources

Colyseus ⭐3,084

⚔ Multiplayer Framework for Node.js

Open Match ⭐2,067

Flexible, extensible, and scalable video game matchmaking.

Epicsurvivalgameseries ⭐1,896

Third-person Survival Game for Unreal Engine 4 (Sample Project)

Teeworlds ⭐1,508

A retro multiplayer shooter

Warzone2100 ⭐1,465

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

Forgenetworkingremastered ⭐1,265

In short, Forge Networking is a free and open source multiplayer game (multi-user) networking system that has a very good integration with the Unity game engine. You wanna make a multiplayer game or real time multi-user application? This is the library for you.

Evennia ⭐1,252

Python MUD/MUX/MUSH/MU* development system

Multiplayer game server based on Node.JS

Ancientbeast ⭐873

Turn Based Strategy Game. Master your beasts! 🐺

🚀 Making multi-player gamedev simpler since 2017

Openspades ⭐733

Compatible client of Ace of Spades 0.75

Mtasa Blue ⭐699

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

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

Gameproject3 ⭐564

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 Builder ⭐539

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

Freeorion ⭐481

Source code repository of the FreeOrion project.

Soldat is a unique 2D (side-view) multiplayer action game

Lasercrabs ⭐457

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

Openempire ⭐446

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

Multiplayer game engine/framework built using SocketCluster and Phaser

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

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

Multiplayer Fps ⭐367

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

Darkest Dungeon Unity ⭐354

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

Eureca.io ⭐338

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

Emptyepsilon ⭐324

Open source bridge simulator. Build with the SeriousProton engine.

Stuntrally ⭐303

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

Rpc Websockets ⭐302

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

Gdk For Unity ⭐287

SpatialOS GDK for Unity

Lunamultiplayer ⭐235

Multiplayer mod for Kerbal Space Program (KSP)

Coophordeshooter ⭐233

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

Colyseus.js ⭐232

⚔ Colyseus Multiplayer Client for JavaScript/TypeScript

Colyseus Unity3d ⭐223

⚔ Colyseus Multiplayer Client for Unity

Rustarok ⭐214

Multiplayer, fast-paced Moba style game

Flopnite Ue4 ⭐212

A remake of the popular battle royale game, Fortnite, made in Unreal Engine 4 and integrated with Amazon GameLift

Logisticspipes ⭐211

The RS485 take on LogisticsPipes -- ESTḌ 2012

Nakama Godot ⭐208

Godot client for Nakama server written in GDScript.

PyDark is a 2D and Online Multiplayer video game framework written on-top of Python and PyGame.

3D multi-player tank battle game

Nakama Unity ⭐195

Unity client for Nakama server.

Godot_goodies ⭐189

Collection of nice stuff for Godot

💪 SEGS - Super Entity Game Server

Warcraft Arena Unity ⭐185

World of Warcraft client-server combat system implementation in Unity with Photon Bolt.

Supermariowar ⭐181

A fan-made multiplayer Super Mario Bros. style deathmatch game

Setwithfriends ⭐178

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

Piano Rs ⭐176

A multiplayer piano using UDP sockets that can be played using computer keyboard, in the terminal

Arenagame ⭐175

A Unity First Person Shooter game made with Forge networking as an example project.

Inexor Core ⭐156

UNMAINTAINED: Please have a look at the entity-system

Unity Fastpacedmultiplayer ⭐156

Features a Networking Framework to be used on top of Unity Networking, in order to implement an Authoritative Server with Lag Compensation, Client-Side Prediction/Server Reconciliation and Entity Interpolation

Mrboom Libretro ⭐155

Mr.Boom is an 8 player Bomberman clone for RetroArch/Libretro

A WebSocket library optimized for multiplayer JS games, works on WebWorkers with binary data.

Yourcontrols ⭐143

Shared cockpit for Microsoft Flight Simulator.

Magicallife ⭐142

A 2d game that aspires to be similar to Rimworld, with more depth, magic, and RPG concepts.

Ore Infinium ⭐138

Ore Infinium, Open Source multiplayer Terraria-inspired Sci-fi game, focused on technology, devices and researching. Written in Kotlin (JVM), LibGDX. Cross platform

Scribble.rs ⭐138

A clone of skribbl.io - Play on https://scribblers-official.herokuapp.com/ or

Multiplayer ⭐131

Zetrith's Multiplayer mod for RimWorld

Drawphone ⭐124

Draw what you see, and guess what your friends drew

Kaetram Open ⭐112

An open-source 2D HTML5 adventure based off BrowserQuest (BQ).

OpenMMO - Groundwork

Reldens - You can make it - Open Source MMORPG Platform

Arkit Multiplayer ⭐106

ARKit multiplayer experience explanation & example

Betterspades ⭐105

BetterSpades, an Ace of Spades client targeted at low end systems (GL/ES 1.1). Runs on your grandmother's rig!

Colyseus Examples ⭐101

Colyseus Game Server examples for learning purposes

Toast Haste.framework ⭐95

TOAST Haste framework is a pure java implementation of asynchronous game server framework

Entitas Sync Framework ⭐94

Networking framework for Entitas ECS. Targeted at turnbased games or other slow-paced genres.

Micro Racing ⭐90

🚗 🏎️ 🎮 online 3D multiplayer neural networks based racing game

Swiftcode ⭐83

Multiplayer, interactive, realtime typing speed game

Unet Controller ⭐75

A CharacterController based controller for Unity's new Networking system

YSF - kurta999's version

Janus Server ⭐72

JanusVR Presence Server

FCNPC - Fully Controllable NPC

Timelines implementation for lag compensation techniques in networked games

Colyseus Tic Tac Toe ⭐55

Turn-based multiplayer example powered by Colyseus 0.13

Gophergameserver ⭐54

🏆 Feature packed, easy-to-use game server API for Go back-ends and Javascript clients. Tutorials and examples included!

Open Samp Api ⭐49

An open source API for GTA SA:MP

Godot Multiplayer Demo ⭐49

A multiplayer demo using Godot Engine's (2.2) high level networking

P2P Dots & Boxes game with WebRTC & WebTorrent

Factorioscenariomultiplayerspawn ⭐41

A custom scenario for Factorio which provides each player a unique starting spawn point in a multiplayer game.

Multiplay Grpc Server ⭐38

gRPC server for Multiplaying in Rust

Nakama Cpp ⭐37

Generic C/C++ client for Nakama server.

New demo version of Halo for the Mac.

Landoftherair ⭐35

A high-fantasy MORPG.

A multiplayer Node.js light gun shooter inspired on Doom

Medguireborn ⭐32

MedGui Reborn is a frontend/launcher (GUI) for Mednafen multi emulator, written in VB .Net with Microsoft Visual Studio Community

Swords And Ravens ⭐26

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

Mdframework ⭐25

A multiplayer C# game framework for Godot 3.2 Mono.

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

Shoebill Api ⭐16

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

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 ⭐9

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

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