Guessing Games
A guessing game is a game in which the object is to guess some kind of information, such as a word, a phrase, a title, or the location of an object.
Many of the games are played co-operatively. Some player(s) know the answer, but cannot tell the other(s), instead they must help them to guess it.
Examples are:
Battleship
Charades
Hangman
I spy
Mastermind
Name that tune
Pictionary
Quizbowl
Seekipedia
Twenty questions
Who's closest
Guess Who?