Rhythm is just a click away

osu! is a freeware rhythm game developed by Dean "peppy" Herbert, originally for Microsoft Windows. It is written in C# on the .NET Framework. The game has also been ported to OS X, iOS, Android, and Windows Phone.[1] Its gameplay is based on commercial titles including Osu! Tatakae! Ouendan, Elite Beat Agents, Taiko no Tatsujin, beatmania IIDX, O2Jam, and DJMax.

osu! gameplay is based on a variety of popular commercial rhythm games. While keeping some authentic elements, osu! adds huge customisation via skins/beatmaps/storyboarding, online rankings, multiplayer and boasts a community with over 500,000 active users! Play the way you want to play, with your own music, and share your creations with others.