HTML5 Phigros chart player/simulator
RPG Maker 2000/2003 and EasyRPG games interpreter
Open-source rhythm game
OptiScaler bridges upscaling/frame gen across GPUs
An open source re-implementation of RollerCoaster Tycoon 2
A simple tool for turning windowed video games into fullscreen apps
Aim assistance for blocks and mobs
Stream switch games to your PC via USB or network
Open-source Android/Desktop remake of Civ V
Set of Python modules designed for writing video games
Access GameLift resources and integrate GameLift into your Unity game
Retro Bowl is an American football game in retro style
Classic overhead run-and-gun game
Accuracy-focused XNA4 reimplementation for open platforms
One of the best Prodigy hacks
Voxel game-creation platform with easy modding and game creation
Doom-based AI research platform for reinforcement learning
Archipelago Multi-Game Randomizer and Server
A game of dungeon exploration, combat and magic
Free and open source real-time strategy game
Fully async, multithreaded, predictive, open source, 3.01 reach
Endless Sky is a sandbox-style space exploration game
Build multiplayer web games played by millions
The Ren'Py Visual Novel Engine
The Oldschool Runescape API wrapper that does more