LightsOff - Version 2.0 Game very similiar to the LightsOut(tm). Player has to turn lights off by pressing the buttons. It sounds very easy, but it is not!. Player can select size of the puzzle (from 3x3 to 9x9) and difficulty level (from 1 to 20). For all puzzles there is a full solver available (1 move hint and whole solution options). Players can also define their own puzzles.