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The Top 18,224 Game Open Source Projects on Github

Categories > Games > Game
Pixijs ⭐ 34,276
The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.
Open Source Ios Apps ⭐ 28,252
📱 Collaborative List of Open-Source iOS Apps
Libgdx ⭐ 18,975
Desktop/Android/HTML5/iOS Java game development framework
Games ⭐ 18,130
🎮 A list of popular/awesome video games, add-ons, maps, etc. hosted on GitHub. Any genre. Any platform. Any engine.
You Dont Need Javascript ⭐ 15,661
CSS is powerful, you can do a lot of things without JS.
Awesome Python Applications ⭐ 12,983
💿 Free software that works great, and also happens to be open-source Python.
Mindustry ⭐ 12,577
A sandbox tower defense game
Openage ⭐ 10,544
Free (as in freedom) open source clone of the Age of Empires II engine 🚀
Lila ⭐ 10,009
♞ lichess.org: the forever free, adless and open source chess server ♞
Openra ⭐ 9,907
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
Openrct2 ⭐ 9,905
An open source re-implementation of RollerCoaster Tycoon 2 🎢
Opendiablo2 ⭐ 9,713
An open source re-implementation of Diablo 2
Craft ⭐ 8,583
A simple Minecraft clone written in C using modern OpenGL (shaders).
Warriorjs ⭐ 8,571
🏰 An exciting game of programming and Artificial Intelligence
Magictools ⭐ 8,534
🎮 📝 A list of Game Development resources to make magic happen.
Pysimplegui ⭐ 8,329
Launched in 2018 Actively developed & supported. Supports tkinter, Qt, WxPython, Remi (in browser). Create custom GUI Windows simply, trivially with a full set of widgets. Multi-Window applications are also simple. Python 2.7 & 3 Support. 300+ Demo programs & Cookbook for rapid start. Extensive documentation. Examples using Machine Learning(GUI, OpenCV Integration, Chatterbot), Desktop Widgets (Rainmeter-like), Matplotlib + Pyplot integration, add GUI to command line scripts, PDF & Image Viewer. For both beginning and advanced programmers. docs - PySimpleGUI.org GitHub - PySimpleGUI.com. Create complex windows simply.
Devilution ⭐ 8,225
Diablo devolved - magic behind the 1996 computer game
Osu ⭐ 7,945
rhythm is just a *click* away!
Open Source Flash ⭐ 7,353
Petition to open source Flash and Shockwave spec
Sfml ⭐ 7,135
Simple and Fast Multimedia Library
Citybound ⭐ 6,506
A work-in-progress, open-source, multi-player city simulation game.
Abstreet ⭐ 6,146
A traffic simulation game exploring how small changes to roads affect cyclists, transit users, pedestrians, and drivers.
Deeplearningflappybird ⭐ 6,113
Flappy Bird hack using Deep Reinforcement Learning (Deep Q-learning).
Chinese Dos Games ⭐ 6,002
🎮 Chinese DOS games collections.
Eastl ⭐ 5,921
EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.
Cataclysm Dda ⭐ 5,656
Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.
Hilo ⭐ 5,560
A Cross-end HTML5 Game development solution developed by Alibaba Group
Airtest ⭐ 5,335
UI Automation Framework for Games and Apps
Entitas Csharp ⭐ 5,247
Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
Flexboxfroggy ⭐ 5,187
A game for learning CSS flexbox 🐸
Ebiten ⭐ 5,097
A dead simple 2D game library for Go
Flame ⭐ 4,762
A minimalist Flutter game engine
Devilutionx ⭐ 4,730
Diablo build for modern operating systems
Opensc2k ⭐ 4,709
OpenSC2K - An Open Source remake of Sim City 2000 by Maxis
Hearthstone Deck Tracker ⭐ 4,450
A deck tracker and deck manager for Hearthstone on Windows
React Game Kit ⭐ 4,325
Component library for making games with React & React Native
Shapez.io ⭐ 4,186
shapez.io is an open source base building game inspired by factorio! Available on web & steam
Gameboy.live ⭐ 4,080
🕹️ A basic gameboy emulator with terminal "Cloud Gaming" support
Carp ⭐ 4,054
A statically typed lisp, without a GC, for real-time applications.
Open Project 1 ⭐ 4,022
Unity Open Project #1: Chop Chop
Magnum ⭐ 3,648
Lightweight and modular C++11 graphics middleware for games and data visualization
Cellnet ⭐ 3,625
High performance, simple, extensible golang open source network library
Openttd ⭐ 3,609
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe
Ultralight ⭐ 3,480
Next-generation HTML renderer for apps and games
Wesnoth ⭐ 3,368
An open source, turn-based strategy game with a high fantasy theme.
Endless Sky ⭐ 3,284
Space exploration, trading, and combat game.
Games ⭐ 3,220
Create interesting games by pure python.
Terasology ⭐ 3,173
Terasology - open source voxel world
Cute_headers ⭐ 3,140
Collection of cross-platform one-file C/C++ libraries with no dependencies, primarily used for games
Borderless Gaming ⭐ 3,131
Play your favorite games in a borderless window; no more time consuming alt-tabs.
Noahgameframe ⭐ 3,055
A fast, scalable, distributed game server engine/framework for C++, include the actor library, network library, can be used as a real time multiplayer game engine ( MMO RPG/MOBA ), which support C#/Lua script/ Unity3d, Cocos2dx and plan to support Unreal.
Ggez ⭐ 3,033
Rust library to create a Good Game Easily
Gdevelop ⭐ 3,026
🎮 GDevelop is an open-source, cross-platform game engine designed to be used by everyone.
The Powder Toy ⭐ 2,969
Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.
Linuxgsm ⭐ 2,946
The command-line tool for quick, simple deployment and management of Linux dedicated game servers.
Crafty ⭐ 2,879
JavaScript Game Engine
Open_spiel ⭐ 2,870
OpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games.
Mirror ⭐ 2,703
#1 Open Source Unity Networking Library
Deck Of Cards ⭐ 2,669
Deck of Cards (old version)
Renpy ⭐ 2,601
The Ren'Py Visual Novel Engine
Zenject 2019 ⭐ 2,574
Dependency Injection Framework for Unity3D
Unciv ⭐ 2,532
Open-source Android/Desktop remake of Civ V
Isocity ⭐ 2,523
A isometric city builder in JavaScript
Vcmi ⭐ 2,457
Open-source engine for Heroes of Might and Magic III
Corsixth ⭐ 2,452
Open source clone of Theme Hospital
Sandspiel ⭐ 2,412
Creative cellular automata browser game
Epicsurvivalgame ⭐ 2,261
Third-person Survival Game for Unreal Engine 4 (Sample Project)
Gridgarden ⭐ 2,249
A game for learning CSS grid layout 🥕
Fxgl ⭐ 2,238
Java / JavaFX / Kotlin Game Library (Engine)
Neversink Filter ⭐ 2,121
This is a lootfilter for the game "Path of Exile". It hides low value items, uses a markup-scheme and sounds to highlight expensive gear and is based on economy data mining.
Stage.js ⭐ 2,081
2D HTML5 rendering and layout engine for game development
Yojimbo ⭐ 2,000
A network library for client/server games written in C++
Warzone2100 ⭐ 1,984
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+
Rust Doom ⭐ 1,980
A Doom Renderer written in Rust.
Behaviac ⭐ 1,979
behaviac is a framework of the game AI development, and it also can be used as a rapid game prototype design tool. behaviac supports the behavior tree, finite state machine and hierarchical task network(BT, FSM, HTN)
Compactgui ⭐ 1,939
Visual Interface for the Windows 10 Compact Function
Free Python Games ⭐ 1,876
Free Python Games
Facepunch.steamworks ⭐ 1,856
Another fucking c# Steamworks implementation
Nethack ⭐ 1,789
Official NetHack Git Repository
2048.cpp ⭐ 1,751
🎮 Fully featured terminal version of the game "2048" written in C++
Ioq3 ⭐ 1,750
The ioquake3 community effort to continue supporting/developing id's Quake III Arena
Sshtron ⭐ 1,735
Play Tron over SSH
Nano ⭐ 1,730
Lightweight, facility, high performance golang based game server framework
Gamedev Resources ⭐ 1,727
🎮 🎲 A wonderful list of Game Development resources.
Easystarjs ⭐ 1,671
An asynchronous A* pathfinding API written in Javascript.
Teeworlds ⭐ 1,666
A retro multiplayer shooter
Ratel ⭐ 1,637
命令行斗地主!
Aurora ⭐ 1,623
Unified lighting effects across multiple brands and various games.
Corona ⭐ 1,618
Solar2D Game Engine main repository (ex Corona SDK)
Azerothcore Wotlk ⭐ 1,607
Complete Open Source and Modular solution for MMO
Openjk ⭐ 1,599
Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software
Cloud Game ⭐ 1,567
Web-based Cloud Gaming service for Retro Game
Optick ⭐ 1,552
C++ Profiler For Games
Canvas Test ⭐ 1,519
🎮 happy canvas
Isowords ⭐ 1,513
Open source game built in SwiftUI and the Composable Architecture.
Julius ⭐ 1,504
An open source re-implementation of Caesar III
Gocraft ⭐ 1,479
A Minecraft like game written in go
Bdframework.core ⭐ 1,474
Simple and powerful Unity3d game workflow! 简单、高效的商业级unity3d 工作流。（已被多个大厂借鉴使用）
Battle City ⭐ 1,472
🎮 Battle city remake built with react.
Bwapi ⭐ 1,458
Brood War API
1-100 of 18,224 projects

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Advertising 📦 9
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Applications 📦 181
Artificial Intelligence 📦 72
Blockchain 📦 70
Build Tools 📦 111
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Code Quality 📦 28
Collaboration 📦 30
Command Line Interface 📦 48
Community 📦 81
Companies 📦 60
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Configuration Management 📦 39
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Data Storage 📦 132
Economics 📦 60
Frameworks 📦 198
Games 📦 122
Graphics 📦 103
Hardware 📦 148
Integrated Development Environments 📦 47
Learning Resources 📦 147
Legal 📦 28
Libraries 📦 119
Lists Of Projects 📦 21
Machine Learning 📦 336
Mapping 📦 61
Marketing 📦 15
Mathematics 📦 55
Media 📦 228
Messaging 📦 97
Networking 📦 304
Operating Systems 📦 84
Operations 📦 120
Package Managers 📦 52
Programming Languages 📦 229
Runtime Environments 📦 96
Science 📦 42
Security 📦 375
Social Media 📦 26
Software Architecture 📦 70
Software Development 📦 68
Software Performance 📦 57
Software Quality 📦 127
Text Editors 📦 45
Text Processing 📦 131
User Interface 📦 310
User Interface Components 📦 465
Version Control 📦 29
Virtualization 📦 68
Web Browsers 📦 38
Web Servers 📦 25
Web User Interface 📦 194
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