Dance Dance Revolution: Ultramix 4 is a rhythm-based music video game, part of the iconic DDR series, exclusive to the Microsoft Xbox. Released in 2006, it falls under the dance and exercise game genre, where players step on a dance pad in time with arrows that match the beat of a song's rhythm. This installment features a diverse soundtrack coupled with new game modes, multiplayer battles, and online play. It's designed to test players' coordination and stamina, providing an entertaining physical workout that challenges both beginners and seasoned dancers alike.