Remove identical mahjong tiles from the field. You can only remove identical tiles that do not border others with at least one side. You can choose the type of tiles in the game. The playing field can be moved around the screen, enlarged or reduced. Shuffling and hint options are available. Press the PLUS/MINUS keys to increase or decrease the tiles.After purchasing, you will have the opportunity to complete 100 levels of this exciting mahjong board game.