Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform 2D and 3D game engine
Use the Delta Executor APK with Roblox on a Windows PC.
A MUD client for Android, iOS, Linux, Mac OS X and Windows
3D modeler, 3D game maker, 3D demo maker
2D Game Engine
The Atomic Game Engine is a multi-platform 2D and 3D engine