Cocos simplifies game creation and distribution with Cocos Creator
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Accelerate cross-platform MR app development in Unity
Augmented Reality NativeScript plugin
swift implementation of flappy bird
Have fun with a variety of Christmas Snow Scenes
The Atomic Game Engine is a multi-platform 2D and 3D engine
3D .NET engine for Windows, Linux, Mac
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Cocos2d for iOS and OS X, built using Objective-C
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross-platform 2D game engine