gentoo.LinuxHowtos.orgManual: pressing and holding the middle or the right mouse button rotates the view of the cube. to rotate the faces, press and hold the left mouse on the center cubicle of the face. pressing and holding the mouse on one of the edges rotates the middle layers. You can always undo your moves with the undo button and redo them with the redo button. puzzle mixes the cube and reset resets the cube to a finished state.