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Play unlimited sudoku puzzles online. Four levels from Easy to Evil. Compatible with all browsers, tablets and phones including iPhone, iPad and Android. The best part of the game: This free online sudoku game delivers a new puzzle each and every day! Interesting Facts about Sudoku - What is Sudoku? 'Su' in Japanese means numbers while 'Doku' means single. Sudoku means single numbers. Therefore, in the sudoku game, we have to fill in numbers without repetition.

Disclaimer This game is optimized for standards compliant browsers like Mozilla Firefox. If you're using Internet Explorer, the experience will be passable but nowhere near as sweet as if you used a browser that isn't stuck in the stone age.
Important Your browser has a few restrictions on keyboard shortcuts that this game can use. If you're used to playing on Firefox or IE6, some keyboard shortcuts might be different. Take a look at the 'Shortcuts' tab to see which ones are different – the ones that aren't the same will be highlighted in red.

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Help Out Do you have any comments or suggestions? Is there some feature you'd love to have? Is there some feature you can't stand? What feature can you not live without? If you've got an opinion, we'd love to hear it. Contact Us.

Welcome to 24/7 Sudoku -- the best in free, online sudoku games! 24/7 Sudoku offers all the difficulties a beginner or seasoned sudoku player will enjoy! This free sudoku website features hundreds of Easy Sudoku puzzles, Medium Sudoku puzzles, Hard Sudoku puzzles, and Expert Sudoku puzzles! 24/7 Sudoku is sure to keep you playing this great sudoku game all day, every day!

Sudoku is a brain challenging number game, played on a 9x9 sudoku board. The sudoku board is broken down into nine 3x3 squares. The object of the sudoku game is simple. Every row, column, and 3x3 box in the sudoku board must contain the digits 1 through 9 only once! As the difficulty progresses, the sudoku game becomes harder, and you'll have to employ more advanced and strategic logic to solve the puzzles.

To play 24/7 Sudoku, employ the basic object of the game by clicking an open space and either typing the number that belongs, or selecting it from the numbers on the side of the sudoku board. If the number is correct, the sudoku tile will slide into its correct slot. If not, the number will return to the outside and time will be added to your overall sudoku game time. To highlight numbers, click a number that has aready been placed inside the sudoku puzzle. As the game progesses, you may want to use notes. Click the pencil in the right bottom corner to turn the numbers into notes. Just click it again to return to puzzle number form.

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• Every row, column, and 3x3 box contains the digits 1 to 9 only once on the sudoku board!
• Sudoku has many difficulties, all offered on 24/7 Sudoku!
• Use logic to solve this fun sudoku puzzle!
• Find 24/7 Sudoku on all your devices -- including your computer, phone, and tablet!

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DISCLAIMER: The games on this website are using PLAY (fake) money. No payouts will be awarded, there are no 'winnings', as all games represented by 247 Games LLC are free to play. Play strictly for fun.