One more cheese

The rules are simple: the board consists of cells which designate the mouse movement. You need to click on cells to turn them 90 degrees clockwise, and let the mouse empty rows (eat a piece of cheese in each one) for the empty row to disappear. The row vanishes as the mouse leaves it. New rows keep falling down. As soon as they fill the board, the game is finished. Thats all. To compete against other players, click the menu button, enter a player name and password. When the game is finished, you...