Mahjong Bird Tiles

Mahjong solitaire in its proper form: a layered stack of tiles, and the only ones you may touch are free — nothing lying on top of them and at least one side clear. Match free pairs until the board is gone. The skill is not spotting the pair, it is spotting which pair to take, because every tile you lift opens the ones under it and a careless match can bury the tile its twin needs. Mahjong Bird Tiles tells you the free-tile rule up front, which half of these games forget to do.