Shanghai: True Valor (Very Rare) Since the advent of the PC, gamers of all ages have invested an eternity in solving the puzzle of the mahjongg tiles SHANGHAI: True Valor, a special collection of the greatest Shanghai puzzles of all times makes its first appearance on the Sony PlayStation The different modes of play include the perilous Arcade mode, which counts down your time and the more meditative Classic mode that gives you the needed time to solve the puzzles