This mahjong mountain has two peaks, so take them down together with Double Play Mahjong! This mahjong solitaire may look easy, but it is definitely for the intermediate mahjong player. Just disassemble the mahjong peaks one by one and meet in the middle to take over Double Play mahjong like a true champ! Mahjong Solitaire is a popular puzzle game that is great for all ages. Mahjong is a tile matching game where you match tiles on the puzzle.