MahJong Ace - new MahJong Solitaire. You have to match tiles in couples until all of the tiles are gone. Once 2 tiles have been matched, they will vanish from the board. When you click on a tile - it becomes highlighted. In order to choose a tile, it must have at least one side edge free - no other tiles touching it, and can't have any tiles on top of it. You can select from 7 various Tile Sets.