Bring back childhood memories and introduce the original guessing game to your kids and grandkids. With the Guess Who? game. Each player chooses a mystery character card and then using yes or no questions they try to figure out the other player's mystery person. Challenge opponents to a series of games or up the challenge by not asking if the mystery person is a boy or a girl until the third turn. The Guess Who? game is a great indoor activity for kids ages 6 and up.