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Zer0 Killer Sudoku

Ok, I know you prefer Killer Sudokus, but I have to introduce new puzzles every once in a while. So, don’t be mad at me, there is something for everyone on this site!

This time it’s a Killer. And it’s a Zer0. See the 0 in Zer0? It means it’s not a regular Zero Killer Sudoku, but it’s a 10×10 Zero Killer in which you use all 10 digits, from 0 to 9!
The rule of 45 applies, but be careful when you analyze the sums! For example, 3 over two cells can now also be 0+3, not just 1+2!

I tried not to make it too difficult, which means that half of you will complain that it’s too easy. What can I do?

Zer0 Killer Sudoku – difficulty BRAIN

Click on the puzzle thumbnail to access the puzzle.

PDF Version of this puzzle: Zer0 Killer Sudoku puzzle PDF.

Posted in Free sample puzzles, Killer Sudoku | Tagged | Leave a comment

Number Fill-Ins

I’ve been quiet for some time because I’ve been working on my thesis diligently. Anyway… it’s time for a new free sample puzzle for you. :)

This time it’s a number fill-in puzzle. I started making them only recently, so I’m very keen to hear from you how you like them. Is this puzzle I’m posting now too easy or too difficult or just right?

The rules of fill-ins are simple: fill the grid with the numbers listed below. Each number must be used precisely once. You must place them either horizontally or vertically. Just like in crosswords, but here you are crossing the numbers instead.

How do you proceed in solving them? Well, you must start with a little bit of “what if”. For example, in this puzzle there are only 2 numbers with 10 digits. See where they can fit in the grid and check the perpendicular intersecting sequences to see if there are listed numbers that conform with the 10 digit number. In other words, is there another number that can be crossed with the 10 digit number. If there isn’t, it means that the 10 digit number must go into the only other possible spot in the grid.

So… here it is… please comment if you like it or not and how difficult was it for you.

Free Number Fill In puzzle

Click on the puzzle thumbnail to access the puzzle.

PDF Version of this puzzle: Number Fill-Ins puzzle PDF.

Posted in Free sample puzzles, Puzzle variants | 2 Responses

New volumes of the most popular sudoku books

Well, it’s time to announce new volumes of the 4 of my most popular sudoku book series. Instead of bothering you with multiple posts, I decided to put all 4 of them in one.

So… without further ado, ready for your holiday gifts, here they are:

Posted in Jigsaw Sudoku, Killer Sudoku, Puzzle books, Samurai sudoku | Leave a comment

Happy Holidays (30% OFF!!!)

Well, folks, the holiday season has now officially started. To those of you who celebrate today – I wish a very Happy Thanksgiving! :)

Apparently folks at Amazon are also celebrating with all of us and they are offering 30% off any book! To redeem this offer, use coupon code HOLIDAY30 at checkout. The promotion is valid for a limited time only, from November 26, 2014 at 9pm PST to November 30, 2014 at 11:59pm PST.

Here are the full terms of this offer.

So, click on any of the covers of my books and use the coupon code HOLIDAY30 to get 30% off. Here you can see a list of all new releases of my puzzle books.

One book I’d like to make a special announcement for: it’s volume 2 of the Coloring books series by Anna and myself. This is a great opportunity to buy this book with 30% off. The coloring pages in this book are filled with illustrations of flowers, animals, ornaments, other objects, scenery and abstract drawings. So it is much more detailed than the first one, which was full of coloring patterns and tessellations. I think this new one is even more beautiful than the first one. So, go get it, you won’t regret it! :)

To celebrate with you, I am showing you one sample page from the book. It’s low res here, in the book they are beautiful and large 8″x10″ pages!

Posted in General, Puzzle books | Leave a comment

Difficult Kakuro book 2

Remember the Difficult Kakuro book, published last year? It is my third best-selling title this year (after Super Samurai Sudoku and Hanjie Griddlers Nonograms books).

Anyway… here is volume 2 of the series! And again, it really is difficult, just as volume 1. It contains big puzzles, such as 18×18 and 15×20 in size (and some smaller ones, too). It also contains Kakuro variants, such as odd/even Kakuro, consecutive Kakuro, non-consecutive Kakuro, greater/less Kakuro and finally, Kenkuro!

However, the first 150 puzzles in the book are standard, but difficult, Kakuro puzzles.

In case you are wondering, I’ve already published all new puzzle books for this year, although I haven’t made the announcements for all of them yet. So, if you know where to find my puzzle books, you don’t have to wait any longer, you can go ahead and order them from Amazon. Just one thing: there is one more coloring book coming in a couple of days and it will be even more beautiful than the first one! :)

Posted in Kakuro, Puzzle books | Tagged | Leave a comment

Non Consecutive Sudoku Compendium volume 2

It’s very busy times, folks. The books are being released I’m trying to balance out new posts here on the website and the newsletter mail outs, while all the time trying not to overwhelm you with too much information.

Anyhow… I’m already a few announcements behind, so I’ll try to catch up in the next few days.

This time, some of you will be very happy to learn that volume 2 of the Non Consecutive Sudoku compendium has been released!

Volume 1 was my first “Compendium”: a collection of variants of one particular sudoku variant. And it was a huge success! It has received only 5/5 stars reviews on Amazon.

This new volume has even more variants than the first one, including:

  • Diagonal Non-Consecutive Sudoku
  • Jigsaw Non-Consecutive Sudoku
  • Odd/Even Non-Consecutive Sudoku
  • Greater/Less Non-Consecutive Sudoku
  • Killer Non-Consecutive Sudoku
  • Outside Non-Consecutive Sudoku
  • Overlapping Non-Consecutive puzzles: TwoDoku, Flower and Samurai Sudoku
  • Non-Consecutive Sudoku in various sizes: 6×6, 8×8, 10×10
  • Frame Non-Consecutive Sudoku

So… what are you waiting for? :)

Posted in Puzzle books, Reviews, Samurai sudoku, Sudoku Variants | Tagged , , | 2 Responses

Random Griddlers Nonograms Picross Hanjie book

Here is a novelty: a book of picross puzzles, but unlike others, in this one the solutions are random patterns, not images of anything in particular!

I know some of you won’t like this, but I still think you should try it. The puzzles are slightly more difficult when the solution is a random pattern, so this book will definitely challenge you. Give it a try!

To show you what’s inside, here is a sample puzzle. It requires you to apply the “Cornering” solving technique rather early in the process. Or so I think. Perhaps you can solve it without using the Cornering technique?

Random Picross Hanjie Griddlers Nonograms puzzle – difficulty IQ

Click on the puzzle thumbnail to access the puzzle.

PDF Version of this puzzle: Free Random Griddlers Puzzle PDF..

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Posted in Free sample puzzles, Picross, Puzzle books | Leave a comment
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