✓For all ages
✓Millions of players worldwide
✓The World's Fastest Growing Math & Logic Puzzle
✓As seen in 150 Newspapers Worldwide


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Sudoku Websites


Discover the fascinating world of Sudoku websites, a haven for enthusiasts of free online sudoku games. As a premier destination for online sudoku puzzles, KenKen Puzzles has an extensive range of challenges that cater to both beginners and seasoned players. And, if you like sudoku, you’ll LOVE KenKen. Our platform is designed to provide an engaging and stimulating environment where you can explore a variety of sudoku and KenKen puzzle games, enhancing your logical thinking and problem-solving skills. With a diverse selection of puzzles, with grid sizes ranging from 3x3 to 9x9 and the ability to design your own puzzles tailored to your difficulty level, we ensure that every visit to our site will be a new adventure in the world of sudoku and KenKen. Within our collection of Sudoku and KenKen options, every enthusiast of online sudoku puzzles will find a game that speaks to their skill level. From challenging sudoku puzzle games to interactive free online KenKen games to our Daily Challenges of both puzzles, our platform continually evolves to ensure an enriching and enjoyable experience for every user, every time.

KENKEN for your Mobile

Fun, addicting, yet educational. The KenKen iOS and Android apps are perfect for the whole family!

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Where to Find Free Online Sudoku Games


In your quest for the best free online puzzles, look no further than our extensive collection of sudoku for beginners and experts alike. Our site stands out among sudoku websites for its user-friendly interface and a wide range of engaging sudoku puzzle games, and of course our iconic KenKen puzzles. Each puzzle is crafted to challenge your intellect and improve your cognitive abilities. Whether you’re in the mood for a quick brain teaser or a more complex challenge, our unique collection of logic puzzle games provides the perfect blend of entertainment and mental exercise. As you progress through different levels of our free online sudoku and KenKen games, you’ll find yourself immersed in a world of strategic thinking and mental agility. Our commitment to offering diverse sudoku puzzle games ensures that every visit to our sudoku websites is a unique adventure. From sudoku puzzle games that test your reasoning to free online puzzles designed for leisure, we provide a comprehensive and engaging experience for everyone interested in online sudoku puzzles, from beginners to experts. Our KenKen puzzle is the ideal next step, combining the joys of a sudoku with the challenges of math, from easy up to expert for challenges catered to your level. Try our Daily Challenge or design your own puzzles…we’re sure you’ll love them.

Visit for Daily Sudoku Puzzle Games


Ready to elevate your puzzle-solving experience? Visit us now on our Sudoku websites and start playing sudoku puzzle games today. Our platform offers an unmatched variety of online sudoku and KenKen puzzles, suitable for all skill levels. Whether you’re a beginner or a sudoku aficionado, our collection is tailored to provide endless hours of engaging gameplay. With an unlimited number of puzzles and new free online sudoku and KenKen games added every day, there’s always a fresh challenge waiting for you. Don’t miss out on the excitement – play now and join a community of sudoku and KenKen enthusiasts who share your passion for our timeless brain games.

Will Shortz, NY Times Crossword Puzzle Editor and
NPR Puzzle Master Loves KenKen! Find out why

Rules For Playing KenKen®

The numbers you use in a KenKen puzzle depend on the size of the grid you choose. A 3 x 3 grid (3 squares across, 3 squares down) means you use the numbers 1, 2, and 3. In a 4 x 4 grid, use numbers 1 to 4. A 5x5 grid requires you use the numbers 1 to 5, and so on.

The numbers in each heavily outlined set of squares, called cages, must combine (in any order) to produce the target number in the top corner using the mathematic operation indicated (+, -, ×, ÷).

Here's how you play:

  1. Use each number only once per row, once per column.
  2. Cages with just one square should be filled in with the target number in the top corner.
  3. A number can be repeated within a cage as long as it is not in the same row or column.
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  1. To start, click on any square. A "number ring" appears with that grid's possible numbers. These numbers will also show up on the left side above the grid as the "Notes" box.
  2. Ready to fill a number in that square? Just click the one you want in the number ring. It will then appear in the middle of the square.
  3. Narrowed it down to a couple of numbers but still not totally sure? Click the numbers you want from the Notes box. They'll show up smaller in the square.

    Hints: Also in the candidates bar are , :
    • Clicking will place all possible Notes in the square.
    • Clicking will get rid of all the Notes in the square.
    • If you'd like to repeat a note (notes) in another square, simply drag the number from the original square to the new one. Click here to see the video of how it works.
  4. When you've ruled out one of your notes, click on it again in the Notes box. The number will disappear from the square.
  5. When you fill in a number in a square (by selecting from the number ring), any notes in that square will disappear.
  6. Changed your mind about a number? In the number ring, click the red eraser icon to clear the square.
  7. To hide the number ring, click the red "X."
  8. How to Use the Keyboard: You can enter numbers and notes by using the keyboard. Once you’ve selected a square, you can press shift and a number key to enter (or delete) that number as a note. Or, to just enter a number in a square, press that number on the keyboard (no shift). To delete a number or note, press C.
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