Try to line up 5 or more marbles with the same color to make them disappear. This puzzle game has unlimited undo!
Click on a marble to select it, then click at a new position to move it there. Try to make lines of at least 5 marbles with the same color. You can undo moves by pressing Backspace.
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.