Voici le site en question http://www.kinectronic.com/kinect-reviews/just-dance-3/
et la phrase qui a retenu mon attention "The second time comes just a short while later, when you’ve played for an hour or so and are too tired to run about the room as the moves become more and more intense. Instead, you just move your arms, and still manage to get a four-star rating and a bunch of “perfect” moves down"