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