3G Studios today announced that Jillian Michaels' Fitness Ultimatum 2009, the first Wii game that combines a celebrity fitness trainer and the motion-based Wii system and Wii Balance Board accessory, has sold over 500,000 units and is an NPD Top Seller. In Jillian Michaels' Fitness Ultimatum 2009 players become new recruits in Jillian's boot camp where they enroll in a unique training program composed of challenging fitness tests and an ever-changing series of workouts. Jillian Michaels' Fitness Ultimatum 2009 is now available across North America.