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Tag
Riddles
51 sites carry this tag.
Sudoku Puzzles
Sudoku Puzzles- Free daily puzzles with five difficulty levels with their solutions. Also offers guide to solve Sudoku puzzles.
Play Sudoku
Play Sudoku- Flash version of the Sudoku game. Also offers solution.
Sudoweb
Sudoweb- Free daily puzzles with five difficulty levels. Also offers printable e-book.
Solve My Sudoku
Solve My Sudoku- Solves puzzles based on inputted information.
Sudoku
Sudoku- Provides sudoku puzzles in easy, medium and hard levels with their solutions. Also provides facility for daily email sudoku newsletter.
9x9, 6x6 and Samurai Sudoku
9x9, 6x6 and Samurai Sudoku- Offers classic Sudoku and variants, as well as an online solver.
Puzzle Bus
Puzzle Bus- Offers a daily puzzle, books, software, and related merchandise. Also offers puzzles for syndication.
Prize Sudoku
Prize Sudoku- Offers competitions for prizes. Traditional Sudoku, Godoku (letters) and Super Sudoku (16x16).
Yosmany.net
Yosmany.net- Offers HTML to add a JavaScript-based puzzle to any site. [English/Spanish]
Daily-Sudoku.com
Daily-Sudoku.com- Offers a different printable puzzle each day. Also includes solutions and FAQ.
Sudoku Online Solver
Sudoku Online Solver- Free online generator, solver, and helper. [English/French/Spanish/Polish]
The Daily Sudoku
The Daily Sudoku- Today's daily Sudoku puzzle from www.dailysudoku.co.uk.
Sudoku Place
Sudoku Place- Offers daily puzzle in PDF format. Includes archive, FAQ, and a "dozen" variant.
Solving Sudoku
Solving Sudoku- Step by step guide to solving sudoku puzzles. Goes from basic to advanced techniques.
Vegard Hanssen's page
Vegard Hanssen's page- Offers a database of crafted puzzles, organized by difficulty. Also offers FAQ and forum. [Norwegian/English]
Hirofumi Fujiwara's Sudoku
Hirofumi Fujiwara's Sudoku- Offers a tutorial for creating puzzles, a Java-based solver, and links to other resources. [English/Japanese]
Wikipedia: Sudoku
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 s…
Cluemaster Sudoku
Cluemaster Sudoku- Daily Sudoku, Jigsaw, and Killer puzzles. Interactive Sudoku solver/teacher and tutorials.
World Sudoku Championship
World Sudoku Championship- Information on the 2006 World Sudoku Championship held in Italy. Includes background information, events, results and FAQ. [English, Italian]
Sudoku-Puzzles.net
Sudoku-Puzzles.net- Offers four difficulty levels. The puzzles can be solved online or downloaded as a PDF file. [English/German/French/Spanish/Dutch/Portuguese/Italian]
SudokusWeb
SudokusWeb- Free daily printable Sudokus. Also offers history, rules, and solving techniques.