RARE Sega Master System Shanghai game, complete in box, not tested

RARE Sega Master System Shanghai game, complete in box, not tested Shanghai by Sega is a Mahjong solitaire puzzle game where players match pairs of mahjong tiles to clear a pyramid-like formation on the board. To win, players must match identical or special matching tiles (like flowers or seasons) that have at least one free vertical side. The game is a race against time or a strategic challenge, as removing the wrong tiles can lead to a dead end, making the puzzle unwinnable.