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This category in other languages:
Automatic Sudoku solver Web-based application for automatic Sudoku solving. After setting a part of grid the puzzle will be automatically solved. http://www.jarek.cz/en/logical-puzzles/sudoku/automatic-solver/
Christiaan Olie Personal page describing Sudoku, rules, strategies, and offering puzzles to print. [Dutch/English] http://familieolie.filternet.nl/sudokuenglish.html
Daily SuDoku 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. http://www.dailysudoku.co.uk/
Daily Sudoku Offers a different printable puzzle each day. Also includes solutions and FAQ. http://www.daily-sudoku.com/
Dan Rice's Sudoku Blog Weblog discussing techniques for creating and solving puzzles, including hard puzzles. Also offers a daily puzzle. http://sudokublog.typepad.com/sudokublog/
Flying Frog Consultancy This web page describes a 19-line (769-byte) OCaml program that solves Sudoku puzzles. http://www.ffconsultancy.com/free/sudoku/
Free Sudoku Puzzles Offers a free javascript version of the sudoku game. http://www.freesudokupuzzles.org
Gaby Vanhegan Daily and random puzzles at six difficulty levels, Flash and JavaScript solvers, solving techniques and glossary of terms. http://vanhegan.net/sudoku/
Grant Gibson Offers syndicated puzzles for websites as well as print publications. http://www.grantgibson.co.uk/sudoku/
The Heebie Su Doku Site Offers a glossary of terms, links to puzzles and variants, and tips for solving. http://sudoku.toplisted.net/syndicate/feed.php?syndtype=top&syndid=1648
Hirofumi Fujiwara's Sudoku Offers a tutorial for creating puzzles, a Java-based solver, and links to other resources. [English/Japanese] http://www.pro.or.jp/~fuji/index-eng.html
Information For Beginners Collection of printable grids, ordered by difficulty level. Solutions provided. Includes rules and solving methods. http://www.forbeginners.info/sudoku-puzzles/
Knight Features Publishing syndicate in the UK and Ireland. Offers several variations, including classic, colour, kids, and Sudoku Word. http://www.knightfeatures.com/KFWeb/content/features/kffeatures/puzzlesandcrosswords/KF/Sudoku/Sudoku_Classic/sudoku_classic.html
Maths Is Fun Offers a number of applications and solvers for a variety of platforms. Also offers custom puzzles. http://www.mathsisfun.net/puzzles.htm
Minimum Sudoku A project collecting Sudoku with the smallest number of givens that are still uniquely solvable. Offers the puzzle for download in text format. http://www.csse.uwa.edu.au/~gordon/sudokumin.php
Play Sudoku Flash version of the Sudoku game. Also offers solution. http://www.play-sudoku.com
Prize Sudoku Offers competitions for prizes. Traditional Sudoku, Godoku (letters) and Super Sudoku (16x16). http://prizesudoku.com/
Puzzle Bus Offers a daily puzzle, books, software, and related merchandise. Also offers puzzles for syndication. http://www.puzzlebus.com
Simple Sudoku Solver JavaScript brute force solver. http://homepage.ntlworld.com/valleyway/solver.html
Sky One Information on UK-based cellular provider's world-record largest Sudoku puzzle and accompanying contest. http://www.skyone.co.uk/programme/pgefeature.aspx?pid=48&fid=129
Solve My Sudoku Solves puzzles based on inputted information. http://www.solvemysudoku.com/
Solving Sudoku Step by step guide to solving sudoku puzzles. Goes from basic to advanced techniques. http://angusj.com/sudoku/hints.php
Sudoku Provides sudoku puzzles in easy, medium and hard levels with their solutions. Also provides facility for daily email sudoku newsletter. http://www.sudokutoday.com
Sudoku Free daily puzzle with solution. Includes archive of past puzzles. http://sudoku.cc/
Sudoku History, instructions, variants and puzzles in four difficulty levels (PDF format). [German/French/English/Spanish/Italian] http://www.sudoku.li/english/
Sudoku Generates and solves classic and X-Sudoku Problems. Diverse options and an integrated help facility makes this program best of class. http://home.arcor.de/clemens-pichl/Sudoku.htm
Sudoku Addict Offers printable grids and solution walkthroughs. http://www.sudokuaddict.com/
Sudoku enumeration Several programs in different languages for analyzing possible Sudoku combinations. http://www.shef.ac.uk/~pm1afj/sudoku/
Sudoku Online Includes Sudoku tips and strategies as well as a downloadable game and a 3D Sudoku puzzle. http://www.sudoku.org.uk/
Sudoku Online Solver Free online generator, solver, and helper. [English/French/Spanish/Polish] http://sudoku.friko.net/
Sudoku Place Offers daily puzzle in PDF format. Includes archive, FAQ, and a "dozen" variant. http://sudokuplace.com/
Sudoku Puzzles Free daily puzzles with five difficulty levels with their solutions. Also offers guide to solve Sudoku puzzles. http://www.sudokupuzz.com
Sudoku Puzzles Offers four difficulty levels. The puzzles can be solved online or downloaded as a PDF file. [English/German/French/Spanish/Dutch/Portuguese/Italian] http://www.sudoku-puzzles.net/
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. http://www.sudoku.com/
SuDoKu-Cracker Only creates puzzles with a "unique solution". The built-in generator has six different levels of difficulty and can generate many (millions) different puzzles. All puzzles can be printed, exported, saved and opened again. http://www.the24net.com/sudoku/
SuDokuMate SuDokuMate is a SuDoku Helper (not a Solver) that replaces pencil and paper to aid solving. http://www.sudokumate.com/sudokumate.asp
Sudoku-san Free daily puzzles with four difficulty levels. Also offers a solving assistant and downloadable e-book collections for purchase. http://www.sudokusan.com/
SudokusWeb.com Free daily printable Sudokus. Also offers history, rules, and solving techniques. [English/Spanish/French/Catalan/German/Portuguese] http://www.sudokusweb.com/
Sudoweb Free daily puzzles with five difficulty levels. Also offers printable e-book. http://www.sudoweb.com
The Times Sudoku Daily sudoku and killer sudoku puzzles from The Times newspaper, London. http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/games_and_puzzles/sudoku/
Universal Press Syndicate Offers monochrome and color grids and variations for online and print syndication. Information on syndication as well as an interview with creator David Bodycombe. http://www.amuniversal.com/ups/features/sudoku/
Vegard Hanssen's page Offers a database of crafted puzzles, organized by difficulty. Also offers FAQ and forum. [Norwegian/English] http://www.menneske.no/sudoku/eng/
Wikipedia: 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. http://en.wikipedia.org/wiki/Sudoku
World Sudoku Championship Information on the 2006 World Sudoku Championship held in Italy. Includes background information, events, results and FAQ. [English, Italian] http://www.wsc2006.com/
Yosmany.net Offers HTML to add a JavaScript-based puzzle to any site. [English/Spanish] http://sudoku.yosmany.net
My Days Are Numbered An article by Seth Stevenson offering a brief overview of Sudoku. (May 31, 2005) http://www.slate.com/id/2119796
The Economist: Do you sudoku? Article on the puzzle's popularity in the United Kingdom and elsewhere. (May 19, 2005) http://www.economist.com/displaystory.cfm?story_id=3992476
XML Feeds :
The Daily Sudoku Today's daily Sudoku puzzle from www.dailysudoku.co.uk. [RSS] http://www.dailysudoku.co.uk/sudoku/rss.xml
Sudoku Madness Seven days of daily puzzles. [RSS] http://www.sudokumadness.net/syndication/weekly.rss
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