It’s a peggle like game. The objective is to clear all the stars by hitting them with a ball shot.
You can earn 20 achievements by clearing all the objects on the screen in each level.
Press mouse left button in order to shot the ball. Press Ctrl key alternatively.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.