If you think you can't play new levels, check the other campaign with the arrows
You can zoom in/out with scroll wheel

Space sonata is a cool rythm game made for the Interstellar Gamejam on the theme Singularity, you can download the windows executable for less lag

The game was made by Roseshell Studio (Summerdev and Neru) as well as Purpledesv, Punduch and Seldon

Controls are all mouse

Ranks unlocks and settings saves in the windows version, it's also a lot less laggy, so give it a try.