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Awesome List
Collection of Games that have the source code available on GitHub
GitHub stars and default-branch commits for michelpereira/awesome-open-source-games.
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Traditional roguelike game with pixel-art graphics and simple interface
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+
Official NetHack Git Repository
Terasology - open source voxel world
Drivers and libraries for the Xbox Kinect device on Windows, Linux, and OS X
A modular, extendable, and easy-to-use physics engine for javascript
Information about signing up for a free Epic Games account, and getting access to UnrealEngine source code.
JavaScript Game Engine
The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript
MIT Licensed Open Source version of Torque 3D from GarageGames
Lightweight 3d physics engine for javascript
SuperTux source code
Cocos2d for Web Browsers. Built using JavaScript.
The Cross Platform Game Engine
This is the master Information repository for MaNGOS
Descent 3 by Outrage Entertainment
Dungeon Crawl: Stone Soup official repository
No description.
🎮 The best way to play your itch.io games
The ioquake3 community effort to continue supporting/developing id's Quake III Arena
[DEPRECATED] Git mirror of the 0 A.D. SVN source code (migrated to https://gitea.wildfiregames.com on August 20th 2024)
A retro multiplayer shooter
2D HTML5 rendering and layout engine for game development
Fast paced HTML5 puzzle game inspired by Tetris!
A fast and lightweight 2D game physics library.
Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software
The first level of Super Mario Bros made with Python and Pygame.
Open-source clone of the original X-Com 👽
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Freeciv-web is an Open Source strategy game implemented in HTML5 and WebGL, which can be played online against other players, or in single player mode against AI opponents.
A web-based roguelike written in Dart.
[ARCHIVED] Modern reimplementation of the Diablo 1 game engine
The official Allegro 5 git repository. Pull requests welcome!
Advanced rhythm game for Windows, Linux and OS X. Designed for both home and arcade use.
Python MUD/MUX/MUSH/MU* development system
A puzzle game inspired by functional programming
A game framework written with osu! in mind.
A game of lonely space adventure
Rogue Legacy Source Code
The Turn Based Strategy Game/eSport. Master your beasts! 🐺
3d city builder game
Source code of HexGL, a futuristic HTML5 racing game
Brood War API
A completely free, open-source, 2D game engine built on proven torque technology.
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱
:bird: :video_game: A MelonJS port of the famous Flappy Bird Game
A free and open-source Touhou Project fangame
a node.js plugin to integrate nw.js/electron games with steamworks
An open-source fighting game engine that supports MUGEN resources.
Open source release of Canabalt for iOS