Kakuro or Kakkuro or Kakoro (Japanese: カックロ) is a kind of logic puzzle that is often referred to as a mathematical transliteration of the crossword. Kakuro puzzles are regular features in many math-and-logic puzzle publications across the world. Kakuro are easy to learn yet highly addictive language-independent logic puzzles now following the footsteps of the worldwide Sudoku success.

All you need is pure logic and simple add/subtract calculations, these numerical-crossword puzzles will carry you into a fascinating world of number combinations you never imagined could exist.

Best defined as number crosswords, Kakuro puzzles come in endless variations, are available in almost any grid size and range from very easy to extremely difficult taking anything from ten minutes to several hours to solve. Make one mistake and you’ll find yourself stuck later on as you get closer to the solution.

If you like Sudoku and other logic puzzles, you will love Conceptis Kakuro as well Each puzzle consists of a blank grid with sum-clues in various places.The object is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once.

But be warned…

These puzzles are NOT for the feint of heart.

If you’re expecting your boring newspapaer level challenge of difficulty be ready to face disappointment.

Are you ready to spend hours training your brain and sharpening your logic skills?

Are you ready to put your skills to the test with the third level of our diabolically hard Kakuro puzzles?

THESE KAKURO PUZZLES ARE NOT FOR EVERYBODY

Don’t believe me? Check out what our reviewers have to say about our level 1 Kakuro Book.

★

Not at all what I thought. Too frustrating.

★

These are puzzles are hard. I expected Level 1 to be much easier.

How to know if our book is right for you

If you love a true challenge then treat yourself to some of The Most Challenging Kakuro Puzzles ever.

Don’t settle for the easy and childish Kakoro Puzzle books… give yourself a challenge that is worth your time and effort.

As you unleash your inner Kakuro Mastery you will keep your brain Active & Engaged