Desktop/Android/HTML5/iOS Java game development framework
Solar2D Game Engine main repository (ex Corona SDK)
UCI chess engine
Multi-platform 2D and 3D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A promising chess program
Orx: Portable Game Engine
3D modeler, 3D game maker, 3D demo maker
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Klotsky class block slider puzzles.
Urho3D Game engine
Updated emulator of Forgotten Realms: Unlimited Adventures
MAME Android Emulator.
A cross-platform 2D game engine
Realtime 3D engine for game development
Bot for id Software's Wolfenstein 3D
The Atomic Game Engine is a multi-platform 2D and 3D engine
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
plugin-based RPG manager in C++ and Qt5
Open Game Bootstrap
DirectX 1-11 to OpenGL wrapper
This is a hacking style game set in the early '80s
Source code of the game "Color Flood Filler" for Android OS
2D physics engine for games