sudoku

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Sudoku HollandGoogle NL lists it as the top sudoku site for Holland.
Sudoku SusserRobert has created one of the best solvers on the web. Extremely knowledgeable in the techniques of solving sudoku he has incorporated his strategies into this program for Windows or the Mac.
The Daily SudokuA new graded and printable Sudoku puzzle every day for free on a well-established website by a sudoku author and enthusiast
WikipediaVery good description of what sudoku is all about, its origins how to play and loads of links.
Nick JordanAnother enthusiast's FAQ
NikoliWhere it all really started: this is the website of the Japanese publisher that tidied up sudoku and made it what it is today. Site offers sudoku samples and help.
Picture SudokuThis is a unique form of Sudoku where people can 'unravel' a picture whilst solving the puzzle.
Remote Pairs - A Particular Case of XY-ChainsA formal paper on the relationship between Remote Pairs and XY-Chains
Su-DokuAn attractive daily sudoku site. Good graphics from Inertia Software.
Sudoku Funan online puzzle with a speed challenge
Sudoku Solver... By Logicexactly what it says on the tin
Sudoku HelperFree-on-line Helper, not solver, big grid, big numbers
Telegraph Crossword SocietyPay-to-play site that features most of the Daily Telegraph's crosswords and puzzles. Subscription gets you access to online puzzles and features.
Top 50 Kakuro Sites
Sudoku - the holiday companionIt's the book to make a plane journey last half the time and to keep you occupied during your quiet moments on the beach. The Daily Telegraph Sudoku is packed with 132 new puzzles compiled by Mike Mepham. Orders for The Daily Telegraph Sudoku and The Daily Telegraph Sudoku 2 at £5.99 each (plus 99p P&P per order) can be taken at Telegraph Books Direct on 0870 155 7222 (UK only).

Sudokulist on NEWSNIGHTTelegraph puzzle compiler Michael Mepham explains a sudoku to Newsnight reporter Greg Neale.This week the television world caught up with news that sudoku has become a newspaper phenomenon.Telegraph puzzle compiler Michael Mepham spent the day rushing from one TV studio to the next, spreading the word.