Tag Archives: HARD

Killer Samurai Sudoku: 55 puzzles (vol. 1)

I am proud to announce that a new book is available – and this time it’s one of a kind! To the best of my knowledge, this is the first and only Sudoku book that contains only Killer Samurai Sudoku puzzles. The book is available as an e-book (PDF) or a paperback and can already […]
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Killer Samurai Sudoku – hard!

There have been no updates for about two weeks because I was away from home for a while. I will make sure to put everything into place now and also I will start working on making some major improvements on this site (more about that soon), but in the meanwhile, I’d like to present you […]
Posted in Free sample puzzles, Killer Sudoku, Samurai sudoku | Also tagged , , , , , , | 1 Response

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 […]
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Sudokuthon in aid of National Autistic Society

I’m posting this article on behalf of CathyW, one of our regular visitors. It’s about solving sudokus and raising funds at the same time for a very good cause The National Autistic Society (NAS) is calling upon the nation to take part in the first ever NAS Sudokuthon – the world’s largest Sudoku event. During […]
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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 […]
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The Way of Samurai: 101 Samurai Sudoku puzzles

Surely something that you have all been waiting for: a book with 101 of my carefully selected Samurai Sudoku puzzles! This book is being published in Portugal only, thanks to Via Optima. The title of the book in Portuguese is A Via do Samurai. However, knowing that you are all waiting for something like this, […]
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Advanced Sudoku and Kakuro

Since my Sudoku K book is still a few months away, it is time to introduce another book with my Killer Sudoku and Samurai Sudoku puzzles and puzzles from other puzzle creators. The book I’m talking about is called “Teach Yourself: Advanced Sudoku and Kakuro” by Nick ‘Afka’ Thomas. A few words about the author […]
Posted in Kakuro, Killer Sudoku, Puzzle books, Samurai sudoku | Also tagged , , , , , , , , , , , , , , | 8 Responses
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