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Multiplayer

140 projects

Showing 36 of 140 projects

GDevelop
GDevelopJavaScript

An open-source, no-code game engine for creating 2D, 3D, and multiplayer games across mobile, desktop, and web platforms.

#gamemaker#multiplayer#no-code
Stars27.8k
Forks1.6k
Last commit1 day ago
Lichess
LichessScala

A forever free, adless, and open-source chess server focused on realtime gameplay and ease of use.

#multiplayer#functional-programming#realtime-gaming
Stars18.9k
Forks2.8k
Last commit1 day ago
OpenRCT2
OpenRCT2C++

An open-source re-implementation of RollerCoaster Tycoon 2, adding modern features, multiplayer, and cross-platform support.

#multiplayer#msbuild#community-driven
Stars16.5k
Forks2.0k
Last commit2 days ago
PPSSPP
PPSSPPC++

A fast, portable, and high-level emulator for the PlayStation Portable (PSP) that runs on Android, Windows, Mac, Linux, and iOS.

#multiplayer#open-source#graphics-upscaling
Stars14.7k
Forks2.7k
Last commit1 day ago
Nakama
NakamaGo

A scalable open-source game backend server providing multiplayer, matchmaking, leaderboards, chat, and social features.

#multiplayer#matchmaking#game-backend
Stars13.6k
Forks1.5k
Last commit2 days ago
boardgame.io
boardgame.ioTypeScript

A JavaScript engine for creating turn-based games with built-in state management and multiplayer networking.

#multiplayer#javascript-framework#game-prototyping
Stars12.5k
Forks833
Last commit1 month ago
Craft
CraftC

A simple Minecraft clone written in C using modern OpenGL with online multiplayer support.

#multiplayer#procedural-generation#opengl
Stars11.1k
Forks1.5k
Last commit2 years ago
Devilution
DevilutionC++

A reverse-engineered source code reconstruction of the 1996 game Diablo, serving as a modding and preservation base.

#multiplayer#game-preservation#c-plus-plus
Stars9.0k
Forks923
Last commit1 year ago
Game Networking
Game NetworkingC

A curated collection of resources, libraries, and tools for multiplayer game network programming (netcode).

#multiplayer#unity3d#gamedev
Stars8.7k
Forks545
Last commit1 month ago
OpenTTD
OpenTTDC++

An open-source transport simulation game based on Transport Tycoon Deluxe, featuring expanded gameplay and multiplayer support.

#multiplayer#sandbox#isometric
Stars8.4k
Forks1.3k
Last commit2 days ago
Leaf
LeafGo

A pragmatic and easy-to-use game server framework built with Go (Golang).

#multiplayer#game-server#leaf
Stars5.5k
Forks1.3k
Last commit2 years ago
SuperTuxKart
SuperTuxKartC++

A free, fun-focused kart racing game with no realistic physics, offering single-player and online multiplayer modes.

#multiplayer#community-driven#opengl
Stars5.4k
Forks1.2k
Last commit5 days ago
Warzone 2100
Warzone 2100C++

A free, open-source 3D real-time strategy game with a story-driven campaign, online multiplayer, and customizable units.

#multiplayer#vulkan#single-player-campaign
Stars4.0k
Forks628
Last commit1 day ago
Ambient
AmbientRust

An open-source runtime for building and deploying high-performance multiplayer games across web and desktop.

#real-time-database#multiplayer#webassembly
Stars3.9k
Forks129
Last commit1 year ago
Facepunch.Steamworks
Facepunch.SteamworksC#

A modern, idiomatic C# Steamworks wrapper for Unity and .NET, providing a fully-featured, open-source alternative to existing implementations.

#achievements#multiplayer#workshop
Stars3.8k
Forks439
Last commit10 days ago
fheroes2
fheroes2C++

An open-source recreation of the Heroes of Might and Magic II game engine with modern enhancements.

#multiplayer#heroes-of-might-and-magic#strategy-game
Stars3.5k
Forks508
Last commit1 day ago
RakNet
RakNetHTML

A cross-platform C++ networking engine designed for game development with features like NAT traversal and voice chat.

#multiplayer#client-server#voice-chat
Stars3.4k
Forks1.1k
Last commit4 years ago
Torque 3D
Torque 3DC++

MIT-licensed open-source 3D game engine originally developed by GarageGames.

#multiplayer#simulation#open-source
Stars3.4k
Forks1.2k
Last commit4 years ago
nano
nanoGo

A lightweight, high-performance Go framework for building real-time game servers and distributed systems.

#multiplayer#websocket-server#game-server
Stars3.2k
Forks465
Last commit7 months ago
goworld
goworldGo

A scalable distributed game server engine written in Go, featuring hot-swapping for live updates.

#multiplayer#game-server#distributed-systems
Stars2.7k
Forks472
Last commit11 months ago
San Andreas Unity
San Andreas UnityC#

An open-source reimplementation of GTA San Andreas game engine in Unity, focusing on gameplay, multiplayer, and modding.

#multiplayer#unity3d#gta
Stars2.7k
Forks469
Last commit3 years ago
Teeworlds
TeeworldsC++

A free retro multiplayer shooter with up to 16 players, featuring team deathmatch, capture the flag, and custom map creation.

#multiplayer#sdl2#opengl
Stars2.6k
Forks655
Last commit1 year ago
FerrumC
FerrumCRust

A high-performance, memory-efficient Minecraft server implementation written in Rust, compatible with vanilla 1.21.8 clients.

#multiplayer#async-rust#high-performance
Stars2.4k
Forks102
Last commit2 months ago
Barotrauma
BarotraumaC#

A 2D online multiplayer submarine survival game set in the icy oceans of Jupiter's moon Europa.

#multiplayer#procedural-generation#role-playing
Stars2.3k
Forks482
Last commit1 month ago
Freeciv-web
Freeciv-webJavaScript

An open-source turn-based strategy civilization-building game playable in HTML5 and WebGL browsers.

#multiplayer#open-source#turn-based
Stars2.2k
Forks383
Last commit7 months ago
Evennia MUD/MU* Creation System
Evennia MUD/MU* Creation SystemPython

A modern Python library for creating online multiplayer text games (MUD/MUSH/MUX/MU*) with great freedom.

#text-based-gaming#multiplayer#text-based-adventure
Stars2.1k
Forks770
Last commit3 days ago
ClassiCube
ClassiCubeC

A custom Minecraft Classic client written in C from scratch, offering enhanced performance and cross-platform support.

#multiplayer#singleplayer#minecraft-classic
Stars2.1k
Forks343
Last commit1 day ago
OpenLoco
OpenLocoC++

An open-source re-implementation of Chris Sawyer's Locomotion, a transport company simulation game.

#multiplayer#simulation#simulation-game
Stars1.9k
Forks226
Last commit8 days ago
Ancient Beast
Ancient BeastTypeScript

A free, open-source turn-based strategy game where players collect creatures and battle opponents in 1v1 or 2v2 matches.

#multiplayer#free-to-play#creature-collection
Stars1.9k
Forks715
Last commit6 days ago
MTA:SA
MTA:SAC++

Multi Theft Auto is a game engine that turns Grand Theft Auto: San Andreas into networked multiplayer.

#multiplayer#game-mod#multi theft auto
Stars1.9k
Forks596
Last commit2 days ago
Hypersomnia
HypersomniaC++

A community-driven multiplayer top-down shooter built from scratch in C++ with an in-game map editor and cross-platform play.

#multiplayer-shooter#multiplayer#community-driven
Stars1.7k
Forks117
Last commit1 day ago
freeciv
freecivC

A free and open-source empire-building strategy game inspired by human civilization history.

#multiplayer#turn-based#freeciv
Stars1.6k
Forks303
Last commit1 day ago
librg
librgC

A lightweight C99 single-header library for efficient world replication and entity synchronization in multiplayer games.

#multiplayer#library#bandwidth-optimization
Stars1.5k
Forks44
Last commit8 months ago
librg
librgC

A lightweight C99 library for efficient world replication and entity synchronization in multiplayer games.

#multiplayer#library#gamedev
Stars1.5k
Forks44
Last commit8 months ago
gonet
gonetGo

A scalable game server skeleton implemented in Go with hub-based architecture for multiplayer games.

#multiplayer#game-server#distributed-systems
Stars1.3k
Forks289
Last commit2 years ago
OpenSpades
OpenSpadesC++

An open-source, cross-platform client for Ace of Spades 0.75, offering enhanced graphics and audio via OpenGL/AL.

#multiplayer#self-hosted-gaming#opengl
Stars1.2k
Forks233
Last commit2 years ago
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#Game Development70
#Cross Platform49
#Game49
#Open Source Game35
#Game Engine35
#Networking28
#C Plus Plus20
#Real Time17
#Game Server15
#Client Server15
#Gamedev15
#Godot Engine15