Iron Sudoku: Free Daily Sudoku Puzzles and a Friendly Community

Iron Sudoku: Free Daily Sudoku Puzzles and a Friendly Community
I still haven’t tried this puzzle but this one looks nice. Might have to try it some evening.
Free Sudoku puzzles and a friendly community
Put down that boring old newspaper or magazine puzzle and join the global Iron Sudoku web community and have some fun while working on your daily Sudoku puzzle. There’s a new puzzle every day, and there are always people here to chat with or ask for help. Oh yeah, did we mention it’s free?