The Mah-Jong Key is a good game avaliable on freemahjong.info
The Mah-Jongg Key Game Description
The most fascinating features of the game — original interface and completely new, laconic design. The charade will be interesting to children and grown up people aswell. At the first sight it seems, that puzzle has standard set of rules for gamers, and all you need to do is just match similar tiles together. But in reality everything is more complicated.
How to play
The rules of the charade are very specific, and they are quite difficult for understanding. But you can win the charade if you train your skills in Mahjong Dragon game at first.