Osu is a freeware rhythm game available on iPhone, originally designed for Microsoft Windows. Developed by ppy, this game is inspired by Osu! Tatakae! Ouendan. With its roots in the .NET Framework and coded in C#, Osu offers players a unique music gaming experience. Dive into a world of rhythmic challenges and music synchronization with this full version game.

Osu stands out in the Games category, specifically under Music, providing players with an engaging platform to test their rhythm and coordination skills. The game's roots in the Windows platform have now extended to iPhone, allowing a wider audience to enjoy its rhythmic gameplay.