- SuDoku
Logic puzzle in which the player must fill in a grid so that every row, every column, and every 3x3 box contains the digits 1 through 9.
www.sudoku.com
- Wikipedia: Sudoku
Hyperlinked article on the number placement puzzle.
en.wikipedia.org/wiki/Sudoku
- Daily Telegraph: Sudoku
The newspaper's site for the addictive puzzle game includes help files, news articles, and other Su Doku fun.
www.sudoku.org.uk
- Su Doku Solver
Just in case you get stuck.
sudoku.sourceforge.net
- Sudoku Kingdom
Provides Sudoku puzzles for printing, or to play online. Select a puzzle by difficulty level, time constraints, or simply print out a puzzle to take with you on a trip.
www.sudokukingdom.com
- Sudoku Classic
Daily Sudoku puzzles from The Guardian.
www.guardian.co.uk/sudoku
- Number Logic: Sudoku
Offers a variety of Sudoku puzzles to play online. Choose between easy, medium, hard, and impossible puzzles.
www.number-logic.com
- Sudoku Craving
Offers players new sudoku challenges daily, along with recorded stats.
www.sudokucraving.com
- Sudoku Solver
Free utility for quickly solving Sudoku problems.
www.sudoku-solver.com
- Su Doku Work Pad & Solution
Microsoft Excel workbook which gives puzzlers a work pad to jot down possible grid values when solving SuDoku challenges.
www.sudoku-xls.com
- Sudoku129
Daily SuDoKu, printable custom puzzle booklets, downloadable software, tips, and history. Also in French.
www.sudoku129.com
- Sudoku Fun
Offers a new puzzle every day, as well as a speed challenge.
www.sudokufun.com/sudoku.php
- Sudoku Programmers
Forum dedicated to the puzzle game SuDoku. Discuss techniques for solving and creating puzzles.
www.setbb.com/sudoku
- Daily SuDoku
Download and print a puzzle every day.
www.griffiths-jones.co.uk/sudoku
- Sudoku Online
Offers online version of the popular logic puzzle Sudoku. Features various game modes like easy, medium, and hard.
www.sudoku-online.yoyo.pl
- Speed Sudoku
Play fast-paced Sudoku races online for free.
www.speedsudoku.com
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