Osu! is a free-to-play rhythm game primarily developed, published, and created by Dean 'peppy' Herbert, written in C# on the.
Screenshot of osu!lazer, the in development stage of an open source version of osu!.Ģ0210821 (August 21, 2021 2 months ago ( )) Ģ021.820.0 (August 20, 2021 2 months ago ( ))