W4 is a word guessing game similar to Jotto, Password, or Mastermind. Each player selects a four letter word and the guessing begins.
Players pick four letter words (with 4 unique letters) and make alternating guesses. You are given the clue of now many letters are common between the word you are trying to discover and your guess.
You will see all of your guesses and the clues. You may also mark letters in the alphabet and your guesses to help eliminate or mark letters. There is a dictionary lookup screen to help you find just the right word.
The full version allow you to play with a dictionary of over 3000 English words.