Solitaire is a board game for one player. Players must remove the balls one by one in ascending or descending order. At the end, there may be only one ball left in the middle. This strategy game is never played the same way twice. Have you tried it? This is an entertaining and engaging strategy game! The polished ball must jump over another ball which must then be removed. At the end, there may be only one ball left in the middle hole of the board.