Shanghai may astonish players who are accustomed to fast-paced action games. No space aliens or ninjas to worry about here — just a big pile of mah-jongg tiles. The 144 pieces from the ancient Chinese game are arranged in a formation called the Dragon, and the object is to remove them in pairs and, eventually, to clear the screen. Eliminating the Dragon requires some luck but even more careful planning and strategy. The game will delight kids and parents who enjoy crossword or jigsaw puzzles. The Chinese characters can be difficult to read on the small screen, but this cartridge also includes an eyestrain-reducing version with roman alphabet tiles. A