osu! is a rhythm game based on the gameplay of a variety of popular commercial rhythm games. While aiming to keep authentic gameplay and scoring, osu! increases the epic factor through online rankings, multiplayer, replay exchange, and a huge community following.
Also available is a fully functional built-in editor, allowing intuitive creation of your own beatmaps for the songs you want to play.
In its current state, osu!'s features also include a beatmap storyboard editor, full online multiplayer, and four different game modes inspired by the Ouendan/EBA series, the Taiko no Tatsujin series, an old Beatmania sim minigame, and the Beatmania games themselves.
Whatever your rhythm, it's just a click away.