mahjong 21The most common being the 3-tile-match mahjong or triple mahjong, and 3D mahjong. 3-tile match Triple Mahjong - This has the same rules as Mahjong solitaire regarding free tiles thatPlay free mahjong games on: classic mahjong, butterfly mahjong, cross mahjong, pyramid mahjong, fish mahjong, snake mahjong and many more!