Dance Dance Revolution Universe 3 (for the Xbox 360)
basically, it's a workout game with a dance pad with four arrows (Down, up, left, right) as your controller, and you need to step to the arrows in time with the music and the arrows on the screen"
http://www.youtube.com/watch?v=67SSB...eature=related
The tougher songs can look like this (note, this is the second level of difficulty, and the kid's a prodigy, but...)
http://www.youtube.com/watch?v=6Jzcq...eature=related