osu! is rated 3 out of 5 in the category computer games. Read and write reviews about osu!. 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.