opsu! is an unofficial open-source client for the rhythm game osu!, written in Java using Slick2D and LWJGL (wrappers around OpenGL and OpenAL).

opsu! runs on Windows, OS X, Linux. A libGDX port also supports Android devices.

06.11.17 Android release v0.16.1a.

06.03.18 Desktop release v0.16.1.

09.17.17 Android release v0.16.0b.

09.04.17 Android release v0.16.0a.

07.02.17 Desktop release v0.16.0.



Get a copy of opsu! from the releases page. APK releases can be found here.

For detailed setup and building instructions, see the README.

This software was created by Jeffrey Han (@itdelatrisu). All game concepts and designs are based on work by osu! developer Dean Herbert. Other credits can be found here.

This software is licensed under GNU GPL version 3. You can find the full text of the license here.