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/