An article by Seth Stevenson offering a brief overview of Sudoku.
Includes an overview of how Sudoku is solved, a monthly contest and a downloadable Sudoku game. Also includes a kids section and discussion forums.
Includes Sudoku tips and strategies as well as a downloadable game and a 3D Sudoku puzzle.
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.
A website representation of Sudoku, the broad sheet newspaper puzzle imported from Japan. Leaderboard lets players compare completion times.
From the company that introduced the game to Japan in 1984. Description, history, tutorial, and instructions on constructing custom puzzles.
Offers tutorial, downloadable puzzles (PDF format), and a Java applet.
Publishing syndicate in the UK and Ireland. Offers several variations, including classic, colour, kids, and Sudoku Word.
Offers a number of applications and solvers for a variety of platforms. Also offers custom puzzles.
Article on the puzzle's popularity in the United Kingdom and elsewhere.
Games /
Video_Games /
Puzzle /
Go_Sudoku
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