Dance Dance Revolution, otherwise known as DDR, is one of the great advanced that have happened to the gaming industry. The normal game console does not provide quite the same experience as a full-on cardio-vascular exercise built into this game.
People enjoy this game at their homes, in the arcades and also now on the internet watching young people like the one in this video:
Next time you're in the arcade, give it a shot. It is exhilarating to learn and become better and better.