One of game development's most used engines is adding support for Windows 8, Windows Phone 8 and Blackberry 10 today in its latest version, 4.2. Some support was already offered in the latest version's beta run, but today Unity 4.2 drops out of beta and into primetime. That brings Unity's mobile platform support up to four: Android, iOS, Windows Phone 8 and BB10 (for both free and paid version of the engine). Of course, the implications here ar