Grab & Go Game, Guess Who?, Ages 6+ Ages 6+ Contents: 2 game tray. 40 face cards. 1 deck of mystery cards. Instructions. The original guessing game. 2 players. Ask yes or no questions to discover who your opponent’s mystery character is. When you think you know, guess! Colors and parts may vary from those pictures. Please retain this information for further reference. Parents also look for Hasbro Arcade.