Open Directory - Games: Puzzles: Brain Teasers: Sudoku
See also: This category in other languages: - Offers classic Sudoku and variants, as well as an online solver. - 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. - Offers a different printable puzzle each day. Also includes solutions and FAQ. - This web page describes a 19-line (769-byte) OCaml program that solves Sudoku puzzles. - Offers a free javascript version of the sudoku game. - Free online sudoku. Offers online game on 5 difficulty levels, changeable skins and printing up to 4 sudoku boards on one sheet of paper. - Offers a tutorial for creating puzzles, a Java-based solver, and links to other resources. [English/Japanese] - A project collecting Sudoku with the smallest number of givens that are still uniquely solvable. Offers the puzzle for download in text format. - Enjoy from a wide array of Sudoku variants including Killer and Jigsaw. Available on iPhone / Mac / Facebook. - Flash version of the Sudoku game. Also offers solution. - Daily and random puzzles at six difficulty levels, Flash and JavaScript solvers, solving techniques and glossary of terms. - Offers five difficulty levels.For each sudoku ,You can print with normal and candidate mode. - Easy printing of 6 sudokus per page. - Offers competitions for prizes. Traditional Sudoku, Godoku (letters) and Super Sudoku (16x16). - Offers a daily puzzle, books, software, and related merchandise. Also offers puzzles for syndication. - Solves puzzles based on inputted information. - Step by step guide to solving sudoku puzzles. Goes from basic to advanced techniques. - Generates Sudoku and Wordoku puzzles with seven different levels of difficulty. All puzzles can be printed, exported, and saved. - SuDokuMate is a SuDoku Helper (not a Solver) that replaces pencil and paper to aid solving. - Provides sudoku puzzles in easy, medium and hard levels with their solutions. Also provides facility for daily email sudoku newsletter. - History, instructions, variants and puzzles in four difficulty levels (PDF format). [German/French/English/Spanish/Italian] - Play sudoku puzzles online for free. - Collection of printable grids, ordered by difficulty level. Solutions provided. Includes rules and solving methods. - Sudoku solver for all your puzzles. Offers free puzzles at 3 levels of difficulty (easy, normal, hard) and a practical stopwatch. - Includes Sudoku tips and strategies as well as a downloadable game and a 3D Sudoku puzzle. - Free online generator, solver, and helper. [English/French/Spanish/Polish] - Offers daily puzzle in PDF format. Includes archive, FAQ, and a "dozen" variant. - Free, daily Sudoku puzzles to print or play online. - Offers four difficulty levels. The puzzles can be solved online or downloaded as a PDF file. [English/German/French/Spanish/Dutch/Portuguese/Italian] - Free daily puzzles with five difficulty levels with their solutions. Also offers guide to solve Sudoku puzzles. - A scratch pad to help you fill in a Sudoku puzzle. You still have to solve it yourself. Every day, you get three fresh Sudokus. - Shows the logic behind solving sample games square by square. - Sudoku Workplace will generate and help you solve Sudoku puzzles of multiple dimensions and difficulties on your computer and even let you manage your own pencil marks. - Several programs in different languages for analyzing possible Sudoku combinations. - A free web-based sudoku puzzle with 40 difficulty levels and tournament competition. Interface in English, French, and Russian. - Endless Supply of Free Sudoku Puzzle At Any Level You Might Appreciate. Includes an advanced hinting and solving module. - Free daily printable Sudokus. Also offers history, rules, and solving techniques. [English/Spanish/French/Catalan/German/Portuguese/Korean/Japanese] - Free daily printable Sudokus. Also offers history, rules, and solving techniques. [English/Spanish/French/Catalan/German/Portuguese] - Sudopedia, the free Sudoku reference guide and source for in-depth knowledge about the popular game of Sudoku. A MediaWiki site. - Free daily puzzles with five difficulty levels. Also offers printable e-book. - Offers a database of crafted puzzles, organized by difficulty. Also offers FAQ and forum. [Norwegian/English] - 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. - Information on the 2006 World Sudoku Championship held in Italy. Includes background information, events, results and FAQ. [English, Italian] - Offers HTML to add a JavaScript-based puzzle to any site. [English/Spanish] - Generates and solves classic and X-Sudoku problems. Diverse options and an integrated help facility. - Article on the puzzle's popularity in the United Kingdom and elsewhere. (May 19, 2005) - Article by David Smith covering the puzzle's origins as "Number Place" by Dell Puzzle Magazine in New York in the 1970s. (May 15, 2005) - Article by Paula Dear. Covers history in Japan and the UK and compares to the Rubik's cube craze of the 80s. (April 22, 2005) XML Feeds: - Today's daily Sudoku puzzle from www.dailysudoku.co.uk. [RSS]