Dance Dance Revolution 2, also known as DDR II, is a music rhythm game for the Nintendo Wii, released in 2011. It's part of the larger Dance Dance Revolution franchise, which is known for its energetic gameplay and use of a dance pad controller. Players step on the pad's arrows in time with music, hitting notes for accuracy and timing to score points. The game features a variety of songs across different genres and provides a good workout, making it popular among players looking to combine gaming with exercise.