StepMania is a dance and rhythm video game created by Chris Danford. It was
originally developed as a simulator of Konami's popular arcade game series 
Dance Dance Revolution, and has since evolved into an extensible rhythm game 
engine capable of supporting a wide variety of rhythm-based game types.

Features 3D graphics, visualizations, support for gamepads/dance pads, a 
step recording mode, and more!

WWW: http://www.stepmania.com