## The KenKen Puzzle | Online Brain Games Highlight

The KenKen puzzle game is today’s online brain games highlight.

KenKen was invented in 2004 by a Japanese math teacher named Tetsuya Miyamoto. The game was originally intended as a learning tool to improve both the math and reasoning skills of his students.

“Ken” means wisdom in Japanese, therefore KenKen means “wisdom squared”.

The game is very similar to the layout and rules of Sudoku, but KenKen adds the requirement of solving simple math problems in order to complete the puzzle.

KenKen puzzles come in 3×3 all the way up to 9×9 grid sizes.

The rules of KenKen are simple. For a 4×4 grid puzzle the rules are as follows:

1. Every box in the grid will contain a number 1~4
2. Every row and column will contain the numbers 1~4 only once.
3. The numbers in each heavily outlined set of squares, called cages, must combine (in any order) to produce the target number shown in the top corner using the mathematical operation indicated.

Starting puzzle (4×4)    Solved Puzzle (4×4)

The resource links below contain a link to the official KenKen website. From there you can find out more about the history and rules of KenKen. You’ll also find free online KenKen puzzles there to play as well.

Also included in the resource link section below is a link to the New York Times KenKen online puzzle offering. They offer 6 free online puzzles per day ranging from easy to hard.

Have fun and tell me what you think about KenKen!

Resources:

http://www.kenken.com/

http://www.nytimes.com/ref/crosswords/kenken.html

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1. [...] KenKen – Similar to Sudoku, but with a math twist! [...]

2. [...] The KenKen Puzzle | Online Brain Games Highlight | The Online … [...]

3. it’s much harder than sudoku
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4. This version seems to be a lot more complicated than standard Sudoku. But it’s definitely a brillant twist! For me Sudoku gets boring pretty quickly so I’ll definitely try this addon as soon as I get some time.

Thanks for the info!

5. Very mind inciting game. Love it!
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6. KenKen is an interesting game. As the above comment said, it is kind of like a sudoku with a twist. I can’t tell which one I prefer more though.

7. it’s a great game. I love playing sudoku kind of games. It really helps you to do that mental exercise and trust me it is very important to keep your brain busy with such kind of games if you are in any decision making roles. I think kenken is also very good exercise for brain.
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8. Sweet game! similar to sudoku, but even more addicting, keep on posting these. As more and more games become apps, my day gets a lot more exciting.

9. http://www.mathdoku.com has an unlimited number of Kenken puzzles to play online in three sizes and several difficulty levels.

10. Exercising your brain is as important as the remainder of your body. We often spend time on physical muscles of the major limbs, without considering our eyes, our hearing and of course our brain. I like Kenken.

11. This seems to be a great game with wonderful concept.
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12. [...]The KenKen puzzle game is today’s online brain games highlight.[...]

13. Excellent weblog, many thanks a lot for your awesome posts!

14. This is not a difficult excercise.

15. I want to download brain games as they generally increase learning capacity.Pls tell me, I am waiting.

16. I saw my friend playing this game. He really enjoyed it. I think this is a good way to exercise your mind and your thinking skills as well.

17. Je suis tout à fait d accord avec cette opinion. En tout cas, je vais revenir vous rendre visite très prochainement. Continuez !

18. A motivating discussion is definitely worth comment. There’s no doubt that that you should publish more on this subject, it might not be a taboo subject but usually folks don’t speak
about these subjects. To the next! All the best!!