 Released by Zynga in June 2011, the game was available for cross-platform play on iPhone and Android.Players who challenge opponents must create a word between four and eight letters long, using the letters provided to them.The challenge is then sent to a player who must guess the word with a limited number of guesses (number of guesses based on the number of letters used to make the word; the longer the word, the fewer guesses the player gets).