Shanghai Tycoon (Shang Hai Da Heng) is a polished Mahjong Solitaire game for the NES developed by Waixing Technology. Based on the classic 'Shanghai' rules, players must remove matching pairs of tiles from a stacked formation. The goal is to clear the board with the fastest time and fewest moves. The game features various tile layouts, multiple difficulty levels, and a clean interface that makes the 8-bit tiles easy to distinguish. It is a classic relaxing puzzle title that challenges the player's observation and strategic thinking.