osu! - Rhythm is just a *click* away! With Ouendan/EBA, Taiko and original gameplay modes, as well as a fully functional level editor. StepMania is a cross-platform rhythm video game and engine. It was originally developed as a simulator of Konami's arcade game series Dance Dance Revolution, and has since evolved into an extensible rhythm game engine capable of supporting a variety of rhythm-based game types. Contribute to ppy/osu development by creating an account on GitHub. rhythm is just a *click* away! Contribute to ppy/osu development by creating an account on GitHub. Aug 21, 2001 · Stepmania is a freeware PC music game similar to Dance Dance Revolution. It has many additional features missing from official DDR games including the ability to create dance patterns for custom songs, extensive theming, and online multiplayer.