Try getting the blocks into ascending order: from 'left to right' and from 'top to bottom'.
Click any block next to the space to swap them. You may choose a matrix grid size from the blue colored input field. The current available range values are from 2-5. If you want to change the color of the board piece labels, select a color and press reset. Then, press the reset button.
You may use the game timer toggle to select game time values of 4 min, 7 min or 11 minutes.
Press the music icon/toggle to hear some background music while you are playing.