单机版五子棋（仅可人人对战） 木质背景，二维立体棋子，可判输赢，可悔棋至开始。 可供初学者学习下。-Stand-alone version of backgammon (Everyone can play against only) wooden background, two-dimensional pieces, can be sentenced to win or lose, you can begin to undo. Available under the beginners