Mahjongg Builder is a collection of 19 mahjong solitaire games.

The goal of the game is to disassemble a figure constructed of 144 tiles. Two identical unlocked tiles are removed in one move. A tile is unlocked if no tile is on it and its left or right side is free.

Available: Unlimited undo/redo, quick undo/redo, autoplay, bookmarks, demo, highlighting moves...

The game editor is built-in in the program. It allows for creating new game figures.