Drag the pieces and put them in the right place using your mouse. In addition to this, multiple pieces can be selected using Ctrl+left click. The game has 4 levels of difficulty: easy, medium, hard and expert and the difference between them is the number of pieces, which increases, according to the level chosen. In the same time you have to be careful and watch out for the time because if it expires you will lose again and you will have to start all over again. Or, if you want to play relaxed and without feeling the pressure of the time, you can disable it. To start the game, click Shuffle.as you play along, you can check whenever you want, the time you have left in the upper part of the screen. Have fun playing this awesome game!