HTML5 Phigros chart player/simulator
RPG Maker 2000/2003 and EasyRPG games interpreter
Aim assistance for blocks and mobs
An open source re-implementation of RollerCoaster Tycoon 2
Open-source Android/Desktop remake of Civ V
Open-source rhythm game
Access GameLift resources and integrate GameLift into your Unity game
Play chess from your terminal
Classic overhead run-and-gun game
Endless Sky is a sandbox-style space exploration game
Doom-based AI research platform for reinforcement learning
Widelands is a free, open source real-time strategy game
The Shiptest Codebase
A game of dungeon exploration, combat and magic
Voxel game-creation platform with easy modding and game creation
Build multiplayer web games played by millions
Multi Theft Auto is a game engine
Free and open source real-time strategy game
You can make it - Open Source MMORPG Platform
The Ren'Py Visual Novel Engine
The main repository for the development of the evolution game Thrive
The source code to VVVVVV
3D space trading and combat game
Magic Another Game Engine
New Modpack with Gregtech, Thaumcraft and Witchery