Shanghai is a captivating computer game developed by Activision in 1986. Offering a unique digital take on mahjong solitaire, the game promises an engaging puzzle-solving experience. Each victory reveals the enigmatic dragon's eye, adding a touch of mystery to the gameplay. The 144 tiles are strategically arranged in a complex four-layer pattern, setting the stage for countless hours of puzzle-cracking fun. The goal of the game is to expose and match identical tiles, gradually revealing the hidden layers underneath. The game boasts a rich history, hailing from the era of the Amiga, Macintosh, Apple IIGS, and the Sega Master System. With its retro charm and intense gameplay, Shanghai offers a nostalgic trip down memory lane.