I can help you with that.
I myself am about to enter a 12-step program to overcome my Sudoku addiction, but if you’re able to do just a puzzle or two and then walk away, this one’s for you.
Download GameHouse Sudoku from RealArcade, absolutely free (a $19.99 value). Sorry, Mac users. You are far too pretty and smart for this offer; it’s for us disadvantaged Windows users only.
I do free sudoku here every day:
http://www.cambridge-news.co.uk/lifestyle/games/sudoku.lpf
and here:
http://www.websudoku.com/
and I’m a very pretty and smart mac user.