Set of Python modules designed for writing video games
Animation Compression Library
A simple and easy-to-use library to enjoy videogames programming
C# application with primary purpose of farming Steam cards
UCI chess engine
Multi Theft Auto is a game engine
Open source cross-platform multi-purpose game toolkit
One framework for creating powerful cross-platform games
GUI for downloading/managing homebrew apps for video game consoles
Powerful, mature open-source cross-platform game engine for Python
Cross-Platform C++ 2D/3D game engine
A charting and data visualization library for Unity
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
A game of dungeon exploration, combat and magic
Solar2D Game Engine main repository (ex Corona SDK)
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
RPG Maker 2000/2003 and EasyRPG games interpreter
Open-source engine for Heroes of Might and Magic III
Homebrew development library for Nintendo 3DS/Horizon OS user mode
2D game development library for Ruby and C++
Accuracy-focused XNA4 reimplementation for open platforms
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A dead simple 2D game library for Go
A multi core friendly rigid body physics and collision detection lib
A Steam library categorizing tool