Solitaire Lexulous
You can check out what Lexulous is like before you go to the sign up page. You can play the game by yourself, or improve your skills by playing against Lex, our robot.
Note: The OFFICIAL SCRABBLE PLAYERS DICTIONARY, the OFFICIAL TOURNAMENT AND CLUB WORD LIST, and associated word lists are properties owned by Hasbro, Inc. in the United States and Canada, and are used with permission.