Unity 2.0 is a major upgrade to the engine with more than 50 new features. The software features a shader graphics engine, support for physics model using Ageia’s PhysX engine, audio and video, scripting and more. Unity is used to create 3D games that run on Mac OS X and Windows, and can also work on the Web or even as Dashboard widgets in Tiger. It’s available for download for free as a 30-day trial licenses start at $199. Unity 2.0, a new version fo the Mac-native game and 3D simulation engine. Unity Technologies has announced the release of