Mahjong Solitaire (Mahjong King) is a free mahjong game based on a classic Chinese game. The goal of Mahjong Solitaire (Mahjong Titan) is to clear the board by removing all the matching identical pairs from the layout. A valid pair consists of two tiles which are both free and identical or of the same type.

Rules:
A free Mahjong tile is a tile that has only one or zero neighbor tile in its left or right side.