The Lost World is a fun mahjong game featuring the era of amazing dinosaurs in a lost world. Discover the secrets of lost world in this Mahjong Solitaire game. Simply combine two of the same free tiles to remove the tiles from the playing field. Free tiles are highlighted. You can only use free stones. A free stone is one which is not covered by another stone and at least one side is open. Time is limited so match those same tiles quick and use hint sparingly. Good luck and enjoy playing The Lost World Mahjong game here at Y8.com!