RPG Maker 2000/2003 and EasyRPG games interpreter
HTML5 Phigros chart player/simulator
Open-source rhythm game
Aim assistance for blocks and mobs
An open source re-implementation of RollerCoaster Tycoon 2
Stream switch games to your PC via USB or network
Open-source Android/Desktop remake of Civ V
Lutris desktop client in Python
Set of Python modules designed for writing video games
Doom-based AI research platform for reinforcement learning
Accuracy-focused XNA4 reimplementation for open platforms
Tool made to launch the popular Game Trainer / Cheat tool
The Shiptest Codebase
Access GameLift resources and integrate GameLift into your Unity game
DOSBox Staging is a modern continuation of DOSBox
Voxel game-creation platform with easy modding and game creation
Endless Sky is a sandbox-style space exploration game
You can make it - Open Source MMORPG Platform
Classic overhead run-and-gun game
Build multiplayer web games played by millions
Multi Theft Auto is a game engine
Free and open source real-time strategy game
Widelands is a free, open source real-time strategy game
Sandbox video game with a powerful physics engine
Play chess from your terminal