Do you remember Mastermind? Well this game is similar.
The GuessWord server hides a word and you try to guess what it is. Tweet any word to @GuessWord and you will get clues to the mystery word within 20 seconds. Be the first to get the points. As a never-ending game, a new round is constantly created after one completes.
outwit .me/twitter-games/games.php (currently offline) to visit GuessWord