Games like Shanghai Double Pack

If you finished Shanghai Double Pack, the closest matches are Mahjong Taikai II Special, Mahjong Taikai III, Jantaku Boy, Tsuushin Taisen Mahjong: Touryuumon and Simple 2000 Series Vol. 4: The Double Mahjong Puzzle. All 8 share its puzzle genre and are ranked by how closely their themes and modes overlap.