A 2D rigid body physics engine for the web
Free game engine for development of desktop, mobile, and web games
Ct.js is a desktop game engine that makes learning programming fun
Mini game engine for games104
Retro game engine for creating games like it's 1997
QQ Group:538722494,KSFramework = KEngine + SLua(or xLua)
Turbulenz is a modular 3D and 2D game framework
A lightweight HTML5 Game Engine
Zap Engine