Tag Archives: technique

How to solve Hidoku: “cornering” (or “dead-end”)

Here is an explanation of a Hidato solving technique that some people might find obvious and they use it without even thinking of it as a special technique. But, for those who still struggle with the more difficult puzzles, here is a quick guide of the technique that I call “cornering“. It can be used […]
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Weekly Kakuro (Cross Sums) #3

This puzzle requires you to use the “Innies/Outies” technique. I hope you are familiar with it. I might post an explanation of this technique soon. Rules: Solve the puzzle so that the numbers in every horizontal and vertical region add up to the sum indicated for that region. Numbers CAN NOT be repeated in any […]
Medium Hard Kakuro Puzzles Book

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The Law of Leftovers (LOL)

I promised to explain this technique, which applies to Jigsaw Sudoku (aka irregular blocks) puzzles, a while ago, so it’s time to keep the promise. You can find the same technique explained on various other sites, too. This technique is somewhat similar to innies/outies which is used for solving Killer Sudoku puzzles, but there is […]
Posted in Jigsaw Sudoku, Killer Sudoku, Solving tips | Also tagged , , , , , , , , , , , , , , , , , , , | 3 Responses

Jigsaw Samurai Sudoku

It has been hinted that this kind of puzzle was going to be posted soon – and to end the suspense, here it is! 🙂 My first ever Jigsaw Samurai Sudoku! Not so many sites produce these puzzles. I might consider including them more often, or maybe even on a regular basis. We’ll see. Jigsaw […]
Jigsaw Samurai Sudoku book

Posted in Free sample puzzles, Jigsaw Sudoku, Samurai sudoku | Also tagged , , , , , , , , , | 7 Responses


Ok, this time I will show you a hanjie puzzle that is relatively straightforward until halfway through the puzzle you come to a point where you have to use one advanced solving technique. It will be explained in detail in the next few days. Until then – try to solve it yourself! UPDATE: There is […]
Big Picross Hanjie Griddlers Nonograms Oekaki Japanese Picture puzzles book

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Butterfly Killer Sudoku X

It’s been a while since I last posted a Butterfly Killer, let alone one with the “X” factor. So, here it is – and to spice it up a little, I made it quite hard (altho I expect someone to get back in 20 minutes and say it was way too easy). So, you get […]
Fiendish Killer Sudoku Book

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Extra special – Butterfly Killer Sudoku (hard)

Somehow butterfly puzzles have been neglected in the past few months and it’s time to rectify. A quick reminder – this breed of overlapping sudoku puzzles was suggested by udosuk and implemented by myself. There are 4 “classic” 9×9 Killer Sudoku puzzles inside this one. They all overlap and they all must be solved according […]
The Way of Samurai Sudoku, volume 5

Posted in Free sample puzzles, Killer Sudoku | Also tagged , , , , , , , , , | 7 Responses
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