Your mouse side buttons press your two osu! keys, held exactly as long as you hold them. By default Mouse 4 sends Z and Mouse 5 sends X. It runs only while osu! is focused.
Needs Rebind 3.5.0 or newer on Windows or macOS. No extra permissions.
Settings
- First side button and Second side button: defaults Mouse 4 and Mouse 5.
- First side button sends and Second side button sends: set these to your osu! keys. Defaults Z and X.
Key changes apply while the package runs on Rebind 3.9 or newer. On older versions, restart the package after changing a key.
Before you use it
A 1:1 remap changes which button you press, not what the game sees. Macros that press for you are not allowed in ranked play.
Limits
- The focused program's process name must contain "osu".
- Live use remains unverified on Windows and macOS.
Stop
Stop the package from the editor toolbar, or press Left Ctrl + Left Alt + K to stop all scripts.

