Excel Sudoku Sample some Sudoku, or number place, puzzles here. To start with, Wikipedia in Excel - July 6, 2006 -

Puzzle by Sudoku Fun	06/7/11	06/7/12
Puzzle by Nikoli.co.jp	06/7/8	hard 06/7/14
Puzzle by WebSudoku.com	06/7/8	06/7/14
Puzzle by Sudoku.com	06/7/8
Puzzle by Su Doku The Times Times Online	'easy' 06/8/3	'fiendish' 06/7/20
Puzzle by Nikkei	'Need over 20 minutes? You need more practice.' 07/5/28

And a lot more. Check the latest on Excel Sudoku