Tag Archives: technique

Jigsaw Sudoku in Flower Sudoku format (5 in 1 Gattai-5)

This should be a tough one – perhaps too tough? It’s only rated “BRAIN”, but the layout makes it quite difficult, I think. 5 overlapping Jigsaw Sudoku puzzles put together in the Flower Sudoku (Gattai-5) layout, which is similar to Samurai Sudoku but not exactly the same. Make sure to use the “Twin Nonets” solving […]
Posted in Free sample puzzles, Jigsaw Sudoku, Samurai sudoku | Also tagged , , , , , , , , | 8 Responses

Prices on some of my books – SLASHED!

Some of my books are being heavily discounted at the moment. Before I introduce them to you once more, let me kindly ask you again to review my books on Amazon if you buy them. If you have already bought them, you can still do that. It means A LOT to me! My first Kakuro […]
Posted in Kakuro, Puzzle books, Sudoku Variants | Also tagged , , , , , , , , , , , , , , , | Leave a comment


Here is a puzzle that I think deserves a lot of attention: TriDoku! It’s a great puzzle-type but for some reason it’s very rarely seen in the Sudoku world. I want to change that! Even though it may not appear obvious, there are 81 cells in this puzzle. And there are 9 nonets. Just like […]
Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , , , , , , , | 11 Responses

Introducing Slitherlink (loop the loop, takegaki, fences, dotty dilemma… you name it)

Another kind of puzzles that I’ve started creating recently… Slitherlink! These puzzles are also known under many different names. Slitherlink puzzles are not a Sudoku variant. They can be of any size and the rules are: 1. Connect the dots to form a single loop with no points of intersection. 2. The clues given tell […]
Posted in Free sample puzzles, Puzzle variants | Also tagged , , , , , , , , , , , , , | 5 Responses

My first Nurikabe puzzle (a difficult one)

Another addition to my portfolio of various number/logic puzzles are Nurikabe puzzles. I think these puzzles are being undeservedly somewhat neglected in the puzzle world and I intend to change that. The number of solving techniques and approaches that can be found in Nurikabe puzzles far exceeds any other puzzle type. For me it was […]
Posted in Free sample puzzles, General, Puzzle variants | Also tagged , , | 14 Responses

Hitori: 150 puzzles that won’t leave you alone!

Having perfected my Hitori generator, I’m ready to present you with my first Hitori book. This book contains 150 puzzles in 6 levels of difficulty, varying in size from 5×5 up to a humongous 20×20! A very detailed introduction with solving strategies and techniques is also given. (click on the cover page to go to […]
Posted in Puzzle books, Puzzle variants | Also tagged , , , , , | 1 Response

How to solve Hitori: basic techniques

Solving Hitori puzzles is about recognizing patterns. I will show you some examples of those patterns. They can be split into two groups, one of those that depend solely on the initial positioning of numbers, and another group of patterns that depend on the black and white cells which have been painted in the solving […]
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