http://apps.facebook.com/duodoku/
Try this site for a Scrabble'ized version of Sudoku - 2 can play taking turns. Scoreboard, chat window and timer clock keep the game Fast(*), Free and FUN.
(*) Mefinks this site shuffles the player's moves to and from a web server in Colorado soze take a doze between moves - ENJOY
Not a member? Joining is quick and free. As a member you get heaps of benefits.