The Biggest Loser Challenge
13. The Biggest Loser Challenge ($39.99; biggestloserthegame.com)
Why we like it: One of the best health and fitness video games for the Nintendo Wii, the Biggest Loser Challenge guides users through more than 125 exercise exercises, ranging from warm-ups and cool-downs, core-strengthening moves, cardio boxing drills, yoga poses, and circuit training exercises. You can create your own custom fitness program, or, let the program think for you by selecting from one of ten preset fitness routines.