Scrabb.ly is a MMO Scrabble Game … oops, I mean crossword game whose instructions include (I kid you not) “Don’t Tell Hasbro” . Search around the massive board looking for a place to put your word. You have two chances to swap tiles before your game ends.  I don’t think anyone from Hasbro reads this site, so *whew*!
Scrabb.ly, a MMO Scrabble Game