Jillian Michaels' Fitness Ultimatum 2011 for Nintendo Wii is an active simulation game that falls under the fitness and exercise genre. The game features celebrity fitness trainer Jillian Michaels and offers a variety of workout plans focused on cardiovascular, strength, and flexibility exercises. Players participate in intense physical challenges, utilizing the Wii's motion control capabilities to simulate real-life workout activities. The game aims to provide a personalized health and fitness experience, encouraging players to set goals and track their progress over time.