sudoku [n.]

a puzzle typically consisting of a large grid of 81 squares [9 across and 9 down] subdivided into 9 smaller grids of 9 squares [3 across and 3 down], with each of the squares to be filled in with the numbers 1 through 9 without repeating a number in any of the large grid’s rows, columns, or smaller grids.
- Etymology : Japan ‹ sū, number + doku, single.

Your Dictionary

This page includes topics related to Sudoku. There is advice, software, printable sudoku, online sudoku, different types, … .

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Sudoku

• Advanced Sudoku
  ‘A logic-based placement puzzle. It is a complex version of Traditional Sudoku. AvexLab Advanced Sudoku is game for experienced players. The object is to fill the grid so that every column, every row and every 4x4 box contains the digits 1 to 16’. Freeware.
• Blubbie Sudoku
  Work the puzzle that shows, print several puzzles, get hints and more.
• CR-Sudoku
  ‘With CR-Sudoku you can generate, play, solve and save Sudoku games. It’s a Freeware program’.
• Cudoku
  ‘Cudoku is a simple Sudoku solver, creator and teacher. It can be used to create and print Sudoku puzzles. Game boards in any stage can be printed or saved into a vector format file. You may solve puzzles generated by program, or created manually. 3 hint levels available’.
• Daily SuDoku
  The day’s sudoku ‘is shown on the right. Click the grid to download a printable version of the puzzle. Visit the archive for previous daily puzzles and solutions. Play online, print a Sudoku, solve and get hints using the new improved Draw/Play function’. There is also a separate page for a Daily SuDoku for Kids
• Dan Rice’s Sudoku Blog
  ‘Tips on solving and generating Sudoku number puzzles’.
• dkm Sudoku Online
  You need to log in to access the puzzles, but koining is Free. Also has links to other online puzzle formats.
• Free Sudoku Puzzles
  Find puzzles, history, rules, tips, more.
• HoDoKu - Sudoku for addicts
  ‘Welcome to HoDoKu, a Sudoku generator/solver/trainer/analyser’. Highly regarded. Includes manual, solving techniques and much more.
• How to Solve Sudoku Puzzles
  ‘Solving sudoku puzzles is easier than it looks, and all but the very hardest puzzles can be solved using just a few simple techniques. You don’t need any maths, and you don’t need to guess’.
• Ideafarms Sudoku
  Freeware program. Create your own games.
• Kakuro Nichiyou
  ‘With Kakuro Nichiyou you can create and play Kakuro puzzles or let the solver automatically solve them. Versions for Windows 98/XP/Vista, Linux and MacOS exist’. Also has ‘How to’ files.
• Isanaki 2.6b
  ‘A Free Multilingual Sudoku and Wordoku Game, Board Generator, Solver and Printer’.
• Lexoku
  ‘In Lexoku, Sudoku’s are mixed with crossword puzzles because in a crossword, new words crop up all the time’.
• Play Daily Sudoku Puzzle Online
  Tackle today’s challenge and when you’re finished, click over to YouPlay.com where you’ll find an even greater variety of fabulous and Free online sudoku puzzles’.
• Pure Sudoku
  Free program with approximately 20 000 puzzles, multiple levels of difficulty, different backgrounds, auto save mechanism, shows duplicate numbers.
• Solving Sudoku
  Advice for beginners to advanced players. Text and graphics.
• SourGumdrop
  ‘A Sudoku playing program that can help players learn new techniques for solving puzzles. Beginners can benefit from its quick and simple user interface and its range of helpful options. Experienced solvers can use its automatic filtering techniques to allow themselves time to concentrate on the more interesting and challenging components of puzzles. Beginners and experienced players alike can take advantage of the program’s range of hint options’.
• Strategy Families
  ‘There are two ways one can group all the stratgies for Sudoku. This strategy list is by no means complete. Many can be further extended and we do not have a complete theory of all sudoku puzzles’. Also has puzzles, solvers, more.
• Sudogo
  Free online Sudoku puzzles.
• Sudoku
  Puzzles, tips on how to solve Sudoku puzzles, browse the forum, use the archive, print blank grids, more.
• SudokuBan
  ‘SudokuBan allows you to view, create, edit and solve Sudoku puzzles. For a description of Sudoku, see the Wikipedia article.’.
• Sudoku Blues
  ‘Solve the puzzle yourself. Get hints & other assistance. Save your games to continue later on. Download new puzzles’. Freeware.
• SuDoKu-Cracker
  ‘Fast, efficient and returns accurate solutions for all SuDoKu problems. It can solve all 9 x 9 puzzles’. You can also create 9 x 9 puzzles.
• Sudoku Kingdom
  Daily Sudoku, Tutorial, Beginners section, rules, FAQs, more.
• Sudoku Online
  How to play sudoku, sudoku puzzles at different levels from Kids to Wicked, links and more games, more.
• Sudoku Place
  PDF, daily puzzle, archive of puzzles, links to other sources and the rest of the Sudoku Web Ring.
• Sudoku Portable
  ‘The entertaining and addictive Sudoku puzzle game packaged as a portable app, so you can play on the go. You can place it on your USB flash drive, iPod, portable hard drive or a CD and use it on any computer, without leaving any personal information behind’.
• Sudoku Puzzles
  ‘Here you find lots of Free Sudoku puzzles. The puzzles can be played online, printed out and even exported as PDF Files’. Help with how to do sudoku.
• Sudoku Puzzles [Aust.]
  Work puzzles online, visit the archive, check the solving techniques, link to other sites.
• Sudoku Puzzles For Beginners [and Others]
  Multiple levels of difficulty, solutions provided, game rules and how they can be solved.
• Sudoku Solver
  Information on its use. Options provided.
• Sudoku [Wikipedia]
  Information on rules, history of the puzzle, solution methods, variants of the puzzle, construction, external links and more.
• Sudoku X
  ‘This game is the same as sudoku, except that there is an additional constraint that the numbers in the diagonals must not repeat. In this game there will be a grid of 9 x 9 squares’.
• SudokuXL
  ‘More than one million sudoku puzzles. Four difficulty levels with high-score option’. Print or play online.
• Websudoku
  ‘Each Sudoku has a unique solution that can be reached logically without guessing. Enter digits from 1 to 9 into the blank spaces’. Play online.
• Word Sudoku Printables
  Listing of programs that will create Word Sudokus. Freeware programs.

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