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The Times Sudoku - http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/games_and_puzzles/sudoku/
Daily sudoku and killer sudoku puzzles from The Times newspaper, London. |
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Sudoku.com - http://www.sudoku.com/
Includes an overview of how Sudoku is solved, a monthly contest and a downloadable Sudoku game. Also includes a kids section and discussion forums. |
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Wikipedia: Sudoku - http://en.wikipedia.org/wiki/Sudoku
An encyclopedia entry describing the rules, history, strategies and variants of Sudoku. Notes that these are a type of "Latin square" which have been analyzed since ancient times. |
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Sudoku enumeration - http://www.shef.ac.uk/~pm1afj/sudoku/
Several programs in different languages for analyzing possible Sudoku combinations. |
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Sudoku Online - http://www.sudoku.org.uk/
Includes Sudoku tips and strategies as well as a downloadable game and a 3D Sudoku puzzle. |
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Free Sudoku Puzzles - http://www.freesudokupuzzles.org
Offers a free javascript version of the sudoku game. |
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Sudoku Puzzles - http://www.sudoku-puzzles.net/
Offers four difficulty levels. The puzzles can be solved online or downloaded as a PDF file. [English/German/French/Spanish/Dutch/Portuguese/Italian] |
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Minimum Sudoku - http://www.csse.uwa.edu.au/~gordon/sudokumin.php
A project collecting Sudoku with the smallest number of givens that are still uniquely solvable. Offers the puzzle for download in text format. |
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Daily SuDoku - http://www.dailysudoku.co.uk/
Offers daily printable puzzles of varying difficulties, including Sudoku for Kids. Also offers archive of past puzzles, tool for rendering custom puzzles, FAQ, and books for purchase. |
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http://www.sudoweb.com - http://www.sudoweb.com
Free daily puzzles with five difficulty levels. Also offers printable e-book. |
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Gaby Vanhegan - http://vanhegan.net/sudoku/
Daily and random puzzles at six difficulty levels, Flash and JavaScript solvers, solving techniques and glossary of terms. |
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Hirofumi Fujiwara's Sudoku - http://www.pro.or.jp/~fuji/index-eng.html
Offers a tutorial for creating puzzles, a Java-based solver, and links to other resources. [English/Japanese] |
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Sudoku Addict - http://www.sudokuaddict.com/
Offers printable grids and solution walkthroughs. |
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The Guardian: So you thought Sudoku came from the Land of the Rising Sun... - http://www.guardian.co.uk/media/2005/may/15/pressandpublishing.usnews
Article by David Smith covering the puzzle's origins as "Number Place" by Dell Puzzle Magazine in New York in the 1970s. |
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Puzzle Bus - http://www.puzzlebus.com
Offers a daily puzzle, books, software, and related merchandise. Also offers puzzles for syndication. |
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SudokusWeb.com - http://www.sudokusweb.com/
Free daily printable Sudokus. Also offers history, rules, and solving techniques. [English/Spanish/French/Catalan/German/Portuguese] |
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Vegard Hanssen's page - http://www.menneske.no/sudoku/eng/
Offers a database of crafted puzzles, organized by difficulty. Also offers FAQ and forum. [Norwegian/English] |
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Sudoku Puzzles - http://www.sudokupuzz.com
Free daily puzzles with five difficulty levels with their solutions. Also offers guide to solve Sudoku puzzles. |
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Yosmany.net - http://sudoku.yosmany.net
Offers HTML to add a JavaScript-based puzzle to any site. [English/Spanish] |
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World Sudoku Championship - http://www.wsc2006.com/
Information on the 2006 World Sudoku Championship held in Italy. Includes background information, events, results and FAQ. [English, Italian] |
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Solve My Sudoku - http://www.solvemysudoku.com/
Solves puzzles based on inputted information. |
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Prize Sudoku - http://prizesudoku.com/
Offers competitions for prizes. Traditional Sudoku, Godoku (letters) and Super Sudoku (16x16). |
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Christiaan Olie - http://familieolie.filternet.nl/sudokuenglish.html
Personal page describing Sudoku, rules, strategies, and offering puzzles to print. [Dutch/English] |
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Knight Features - http://www.knightfeatures.com/KFWeb/content/features/kffeatures/puzzlesandcrosswords/KF/Sudoku/Sudoku_Classic/sudoku_classic.html
Publishing syndicate in the UK and Ireland. Offers several variations, including classic, colour, kids, and Sudoku Word. |
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SuDokuMate - http://www.sudokumate.com/sudokumate.asp
SuDokuMate is a SuDoku Helper (not a Solver) that replaces pencil and paper to aid solving. |