Sudoku Puzzles
Try to beat the clock with these free Sudoku puzzles of varying difficulty, from easy to extra-challenging. Need help solving Sudoku? Check out the Sudoku tutorial How to solve Sudoku Puzzles.
Sudoku Online
Here's an online version of the popular puzzle game that has taken the world by storm.
Here's an online version of the popular puzzle game that has taken the world by storm.
Free Sudoku Puzzle Game
Free online Sudoku puzzles for you to enjoy. Thousands of Sudoku puzzles in four difficulty levels: Simple, Easy, Intermediate and Expert.
Free online Sudoku puzzles for you to enjoy. Thousands of Sudoku puzzles in four difficulty levels: Simple, Easy, Intermediate and Expert.
Futoshiki: New Japanese Number Puzzle
Free printable sudoku puzzles in three difficulty levels: Easy, Intermediate, or Challenging. All you need to solve these puzzles is logic, perserverance and a sharp pencil.
Free printable sudoku puzzles in three difficulty levels: Easy, Intermediate, or Challenging. All you need to solve these puzzles is logic, perserverance and a sharp pencil.
About Puzzles - Books for Sudoku Puzzlers
Addicted to Sudoku? Here's a selection of books to help ease your craving for these popular number puzzles.
Addicted to Sudoku? Here's a selection of books to help ease your craving for these popular number puzzles.
About Puzzles - Free Sudoku - Extra Easy
If you're new to SuDoku, the aim is to enter a number from 1 through 9 in such a way that each row, column, and region contains only one instance of each number. These Sudoku are print-friendly with four puzzles to a page.
If you're new to SuDoku, the aim is to enter a number from 1 through 9 in such a way that each row, column, and region contains only one instance of each number. These Sudoku are print-friendly with four puzzles to a page.
About Puzzles - Free Sudoku - Easy
These puzzles are intended for those new to SuDoku. Difficulty is not only determined by how many numbers are given but also by which numbers and their placement in the grid.
These puzzles are intended for those new to SuDoku. Difficulty is not only determined by how many numbers are given but also by which numbers and their placement in the grid.
About Puzzles - Free Sudoku - Medium
These print-friendly SuDoku are of medium difficulty with four SuDoku to a page.
These print-friendly SuDoku are of medium difficulty with four SuDoku to a page.
About Puzzles - Free Sudoku - Challenging
These sudoku are intended for experienced solvers. These sudoku are printable with four puzzles to a page.
These sudoku are intended for experienced solvers. These sudoku are printable with four puzzles to a page.
About Puzzles - Free Sudoku - Extra Challenging
f you're looking for SuDoku at the highest level of difficulty, you've come to the right place. These SuDoku are print-friendly versions with four puzzles to a page.
f you're looking for SuDoku at the highest level of difficulty, you've come to the right place. These SuDoku are print-friendly versions with four puzzles to a page.
About Puzzles - Free SuDoku - Solutions
Solutions to Free SuDuko Puzzles at About Puzzles.
Solutions to Free SuDuko Puzzles at About Puzzles.
BrainBashers Sudoku
Six difficulty levels from Very Easy to Super Hard. Solve online or print and solve.
Six difficulty levels from Very Easy to Super Hard. Solve online or print and solve.
Daily Sudoku
This one comes in Classic, Monster, Kids and Squiggly (grid isn't divided into 9 squares, but into irregular blocks). Play online or print and solve (requires Adobe Acrobat Reader).
This one comes in Classic, Monster, Kids and Squiggly (grid isn't divided into 9 squares, but into irregular blocks). Play online or print and solve (requires Adobe Acrobat Reader).
Free AlfaDoku Puzzles
For the AlphaDoku Puzzle enthusiast, free AlfaDoku Puzzles for every level of expertise.
For the AlphaDoku Puzzle enthusiast, free AlfaDoku Puzzles for every level of expertise.
Free Sudoku - Extra Easy to Extra Challenging
A series of printable SuDoku for every level of expertise. The puzzles come four puzzles to a page in five levels of difficulty: Very Easy, Easy, Medium, Hard, Expert.
A series of printable SuDoku for every level of expertise. The puzzles come four puzzles to a page in five levels of difficulty: Very Easy, Easy, Medium, Hard, Expert.
Free Sudoku Puzzles
These puzzles, from About's Math guide, come in varying difficulty levels, from very easy 4x4 sudoku grids to the standard 9x9 sudoku grid.
These puzzles, from About's Math guide, come in varying difficulty levels, from very easy 4x4 sudoku grids to the standard 9x9 sudoku grid.
How To Solve SuDoku
This tutorial will help the novice Sudoku puzzler learn some basic Sudoku solving strategies. Tip and tricks on how to solve these popular number puzzles with reasoning and logic.
This tutorial will help the novice Sudoku puzzler learn some basic Sudoku solving strategies. Tip and tricks on how to solve these popular number puzzles with reasoning and logic.
Jigsaw Sudoku
This online game, as its name would imply, is a cross between the jigsaw puzzle and the sudoku puzzle. Move the number squares to their proper place. Easy 6x6 grid.
This online game, as its name would imply, is a cross between the jigsaw puzzle and the sudoku puzzle. Move the number squares to their proper place. Easy 6x6 grid.
New York Times Sudoku
These puzzles, updated daily, come in Easy, Medium and Difficult versions, so you can select the one which best suits your level of expertise. Play online or print and solve (requires Adobe Acrobat Reader). Unlike the Daily Crossword, it's free!
These puzzles, updated daily, come in Easy, Medium and Difficult versions, so you can select the one which best suits your level of expertise. Play online or print and solve (requires Adobe Acrobat Reader). Unlike the Daily Crossword, it's free!
Opensky Sudoku Generator
This service lets you create up to 50 sudoku puzzles in Adobe PDF format to print and solve. You can choose from easy, medium, hard, or very hard puzzles or have the program randomly select puzzles for you to solve.
This service lets you create up to 50 sudoku puzzles in Adobe PDF format to print and solve. You can choose from easy, medium, hard, or very hard puzzles or have the program randomly select puzzles for you to solve.
Shockwave - Daily Sudoku
Easy, medium and hard versions available. This one lets you know immediately if you've made a mistake and won't let you enter the wrong number.
Easy, medium and hard versions available. This one lets you know immediately if you've made a mistake and won't let you enter the wrong number.
Sudoku - Wikipedia
Everything you ever wanted to know about Sudoku from the folks at Wikipedia.
Everything you ever wanted to know about Sudoku from the folks at Wikipedia.
SuDoku Games - Electronic Games - Puzzle Games
If you're looking to buy sudoku games, you've come to the right place. Shop online and get the best price for electronic, hand-held sudoku games, wooden sudoku board games, wipe-off sudoku board games, sudoku card games and sudoku games for kids.
If you're looking to buy sudoku games, you've come to the right place. Shop online and get the best price for electronic, hand-held sudoku games, wooden sudoku board games, wipe-off sudoku board games, sudoku card games and sudoku games for kids.
Sudoku History
Find out the origins of this popular number puzzle game.
Find out the origins of this popular number puzzle game.
Sudoku of the Day
Compete with other players to see who can solve these diabolical sudoku puzzles the fastest.
Compete with other players to see who can solve these diabolical sudoku puzzles the fastest.
SuDoku Solver
A freeware program designed to help in solving sudoku. It uses the same logical methods to solve puzzles as a human would, and explains how it arrived at that conclusion. Excellent aid for those new to Sudoku who need a bit of help figuring out how to play.
A freeware program designed to help in solving sudoku. It uses the same logical methods to solve puzzles as a human would, and explains how it arrived at that conclusion. Excellent aid for those new to Sudoku who need a bit of help figuring out how to play.
Sudoku Terms and Jargon
A comprehensive list of sudoku terms with definitions.
A comprehensive list of sudoku terms with definitions.
Super Sudoku
Online Sudoku generator and solver. Generates and/or solves regular sudoku puzzles or the extra challenging Super Sudoku (a 16x16 grid which uses the letters A-F as well as the numbers 1-9). You must register to play, it's free.
Online Sudoku generator and solver. Generates and/or solves regular sudoku puzzles or the extra challenging Super Sudoku (a 16x16 grid which uses the letters A-F as well as the numbers 1-9). You must register to play, it's free.
Surviving Sudoku or...
How the Japanese puzzle's invasion has rocked the world of American crossword writers -- and what they’re doing to cope. Interesting article by Matt Gaffney.
How the Japanese puzzle's invasion has rocked the world of American crossword writers -- and what they’re doing to cope. Interesting article by Matt Gaffney.
USA Today Sudoku
Available in online, print and mobile phone versions.
Available in online, print and mobile phone versions.
Web Sudoku
Features easy, medium, hard and evil sudoku that you can play online, but you need to buy the Deluxe version for the solutions. You can also create your own customized sudoku ebook with 8 pages of either easy, advanced, kid or combination puzzles.
Features easy, medium, hard and evil sudoku that you can play online, but you need to buy the Deluxe version for the solutions. You can also create your own customized sudoku ebook with 8 pages of either easy, advanced, kid or combination puzzles.
Who is Leonhard Euler? - Did he invent Sudoku? - SuDoku Puzzles
Who is Leonhard Euler and did he invent the Sudoku puzzle more than 220 years ago?
Who is Leonhard Euler and did he invent the Sudoku puzzle more than 220 years ago?