3D game engine and real-time rendering software
Whether you’re a developer creating 3D games or a design professional creating real-time visualizations, the Stingray engine helps you produce visually stunning 3D experiences.

Desktop Subscription gives you access to the latest updates and releases, 1-on-1 web support, priority support in the forums, flexible licensing, and more.

http://www.autodesk.com/products/stingray/overview