Coffee Mahjong
Combine two of the same mahjong stones to remove them from the playing field. You only can use free stones. A free stone is not covered by another stone and at least one side (left or right) is open.
Combine two of the same mahjong stones to remove them from the playing field. You only can use free stones. A free stone is not covered by another stone and at least one side (left or right) is open.