The Top 109 Multiplayer Open Source Projects

Awesome Open Source

Awesome Open Source

Combined Topics

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210

The Top 109 Multiplayer Open Source Projects

Categories > Games > Multiplayer

Openage ⭐ 10,295

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

Openrct2 ⭐ 9,412

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Craft ⭐ 8,583

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

Trinitycore ⭐ 6,671

TrinityCore Open Source MMO Framework (master = 9.0.5.38134, 3.3.5 = 3.3.5a.12340)

Nakama ⭐ 4,608

Distributed server for social and realtime games and apps.

Agones ⭐ 3,776

Dedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes

Game Networking Resources ⭐ 3,656

A Curated List of Game Network Programming Resources

Colyseus ⭐ 3,417

⚔ Multiplayer Framework for Node.js

Open Match ⭐ 2,199

Flexible, extensible, and scalable video game matchmaking.

Epicsurvivalgameseries ⭐ 2,115

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

Warzone2100 ⭐ 1,746

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+

Teeworlds ⭐ 1,590

A retro multiplayer shooter

Forgenetworkingremastered ⭐ 1,362

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 ⭐ 1,321

Python MUD/MUX/MUSH/MU* development system

Soldat ⭐ 1,223

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

Magic Another Game Engine

Lance ⭐ 1,172

Multiplayer game server based on Node.JS

Veloren ⭐ 1,045

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

Com.unity.multiplayer.mlapi ⭐ 943

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

Ancientbeast ⭐ 921

Turn Based Strategy Game. Master your beasts! 🐺

🚀 Making multi-player gamedev simpler since 2017

Openspades ⭐ 799

Compatible client of Ace of Spades 0.75

Mtasa Blue ⭐ 786

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

Gameproject3 ⭐ 687

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 ⭐ 582

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

Freeorion ⭐ 521

Source code repository of the FreeOrion project.

Lasercrabs ⭐ 468

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

Openempire ⭐ 454

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

Multiplayer Fps ⭐ 422

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

Darkest Dungeon Unity ⭐ 384

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

Com.unity.multiplayer.samples.coop ⭐ 363

A small-scale cooperative game sample built on the new, Unity networking framework to teach developers about creating a similar multiplayer game.

Rpc Websockets ⭐ 360

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

Emptyepsilon ⭐ 345

Open source bridge simulator. Build with the SeriousProton engine.

Eureca.io ⭐ 344

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

Stuntrally ⭐ 320

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

Gdk For Unity ⭐ 311

SpatialOS GDK for Unity

Yourcontrols ⭐ 309

Shared cockpit for Microsoft Flight Simulator.

Setwithfriends ⭐ 296

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

Godot_goodies ⭐ 280

Collection of nice stuff for Godot

Lunamultiplayer ⭐ 273

Multiplayer mod for Kerbal Space Program (KSP)

Colyseus.js ⭐ 258

⚔ Colyseus Multiplayer SDK for JavaScript/TypeScript

Flopnite Ue4 ⭐ 256

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

Colyseus Unity3d ⭐ 255

⚔ Colyseus Multiplayer SDK for Unity

Coophordeshooter ⭐ 255

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

Nakama Godot ⭐ 248

Godot client for Nakama server written in GDScript.

Nakama Unity ⭐ 228

Unity client for Nakama server.

Rustarok ⭐ 223

Multiplayer, fast-paced Moba style game

Logisticspipes ⭐ 218

The RS485 take on LogisticsPipes -- ESTḌ 2012

Supermariowar ⭐ 212

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

Warcraft Arena Unity ⭐ 212

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

3D multi-player tank battle game

Scribble.rs ⭐ 205

A skribbl.io alternative - Play at https://scribblers-official.herokuapp.com/

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

Arenagame ⭐ 194

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

Kaetram Open ⭐ 194

Kaetram is an open-source 2D HTML5 MMORPG. It is an extended version of BrowserQuest (BQ).

💪 SEGS - Super Entity Game Server

Drawphone ⭐ 189

Draw what you see, and guess what your friends drew

Piano Rs ⭐ 182

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

Rhubarb ⭐ 170

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

Multiplayer ⭐ 167

Zetrith's Multiplayer mod for RimWorld

Unity Fastpacedmultiplayer ⭐ 166

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 ⭐ 165

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

The Open-Source IO Shooter is an open-source multiplayer game in the browser

Inexor Core ⭐ 156

UNMAINTAINED: Please have a look at the entity-system

Magicallife ⭐ 147

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

Ore Infinium ⭐ 142

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

Reldens ⭐ 139

Reldens - You can make it - Open Source MMORPG Platform

Gdk For Unity Fps Starter Project ⭐ 138

SpatialOS GDK for Unity FPS Starter Project

Betterspades ⭐ 122

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

Openmmo ⭐ 118

OpenMMO - Groundwork

Phaser3 Multiplayer With Physics ⭐ 117

Phaser 3 - Real-Time Multiplayer example with Physics (MatterJS and Arcade)

Colyseus Examples ⭐ 110

Colyseus Game Server examples for learning purposes

Arkit Multiplayer ⭐ 106

ARKit multiplayer experience explanation & example

Micro Racing ⭐ 104

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

Entitas Sync Framework ⭐ 101

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

Toast Haste.framework ⭐ 96

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

Swiftcode ⭐ 83

Multiplayer, interactive, realtime typing speed game

YSF Server Functions

FCNPC - Fully Controllable NPC

Unet Controller ⭐ 75

A CharacterController based controller for Unity's new Networking system

Janus Server ⭐ 73

JanusVR Presence Server

Timeline ⭐ 65

Timelines implementation for lag compensation techniques in networked games

Gophergameserver ⭐ 64

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

A libre multiplayer FPS game created in Godot Engine

Colyseus Tic Tac Toe ⭐ 61

Turn-based multiplayer example powered by Colyseus

Open Samp Api ⭐ 57

An open source API for GTA SA:MP

Fishgame Macroquad ⭐ 56

"Fish Game" for Macroquad is an online multiplayer game, created as a demonstration of Nakama, an open-source scalable game server, using Rust-lang and the Macroquad game engine.

Godot Multiplayer Demo ⭐ 53

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

P2P Dots & Boxes game with WebRTC & WebTorrent

Kiss Multiplayer ⭐ 47

Multiplayer mod for BeamNG.drive

Factorioscenariomultiplayerspawn ⭐ 43

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

Multiplay Grpc Server ⭐ 42

gRPC server for Multiplaying in Rust

Medguireborn ⭐ 41

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

Nakama Cpp ⭐ 38

Generic C/C++ client for Nakama server.

New demo version of Halo for the Mac.

Doom Lgs ⭐ 36

A multiplayer Node.js light gun shooter inspired on Doom

Mdframework ⭐ 36

A multiplayer C# game framework for Godot 3.2 Mono.

Landoftherair ⭐ 35

A high-fantasy MORPG.

1-100 of 109 projects

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210