Online Mahjong Solitaire, a variation of the classic "Demolish the Tile Turtle" puzzle, is an online version. You have to remove tiles one at a time to reduce the turtle shell. Each tile has a different construction and you must disassemble the whole structure.Online Mahjong Solitaire, a variation of the classic "Demolish the Tile Turtle" puzzle, is an online version. You have to remove tiles one at a time to reduce the turtle shell. Each tile has a different construction and you must disassemble the whole structure.