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Tag Archives: HARD
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 killer, Killer Samurai, Killer Samurai Sudoku, killer sudoku, samurai, Samurai Sudoku, Sudoku Samurai
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 […]
Posted in Free sample puzzles, Killer Sudoku
Also tagged Butterfly Killer, Butterfly Killer Sudoku, EASY, IQ, killer, killer sudoku, sudoku x, technique, Twin Nonets
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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 […]
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 […]
Posted in Free sample puzzles, Killer Sudoku
Also tagged Butterfly Killer, Butterfly Killer Sudoku, IQ, killer, killer sudoku, overlapping sudoku, rules, solving technique, technique, Twin Nonets
7 Responses
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 BOOK, books, how to solve, INSANE, IQ, KAKURO, killer, killer sudoku, samurai, Samurai Sudoku, standard sudoku, swordfish, technique, THINKER, x-wing
8 Responses
Double Harakiri Sudoku X
More unique Sudoku puzzles that you’ve never seen before – for die hard fans of big Sudoku puzzles, here is another one – Double Sudoku Harakiri X! There are 13 classic sub-puzzles, which of course don’t have their own (unique) solutions but all together constitute a puzzle with a single solution. This time, however, you […]
Posted in Free sample puzzles, Samurai sudoku, Sudoku Variants
Also tagged Double Sudoku, harakiri, IQ, Sudoku Harakiri, sudoku x
4 Responses
Harakiri Sudoku X
For die hard fans of big Sudoku puzzles, here is another one – Sudoku Harakiri X! Basically, it’s a double-Samurai Sudoku puzzle: 8 classic sub-puzzles, which of course don’t have their own (unique) solutions but all together constitute a puzzle with a single solution. This time, however, you must also pay attention to diagonals: ALL […]
Posted in Free sample puzzles, Samurai sudoku
Also tagged harakiri, IQ, samurai, Samurai Sudoku, Sudoku Harakiri, sudoku x
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Samurai Sudoku rules
I’ve been asked a few times to post some Samurai sudoku solving tips. Well – there aren’t any special tips that apply exclusively to Samurai. Standard Sudoku rules apply, but to make things clear for newcomers, I’d like to give a brief set of instructions. Rules of Samurai Sudoku 1. Each Samurai Sudoku puzzle consists […]
Posted in Samurai sudoku, Solving tips
Also tagged Classic Sudoku, hidden subsets, instructions, interactions, IQ, rules, samurai, Samurai Sudoku, solving tip, solving tips, standard sudoku, SUBSETS, suggestions, swordfish, technique, x-wing
48 Responses
Weekend Samurai
So far I’ve posted 3 Samurai puzzles so on average it’s about one per week. I think it’s about time to make it “official” – from now on, we will be posting a Weekly Samurai puzzle on this site. These puzzles will be available through the “samurai” link on the right hand side. Please do […]
Was it too difficult?
Hmm, I might have overdone today’s puzzle… Maybe it was a little bit too hard? Any thoughts? Anyone solved it without using Perfect Sudoku? ANYONE? Anyhow, I promise tomorrow’s daily puzzle will be somewhat easier. Don’t give up! It’s a great game and it’s worth playing. Tommorrow I will also create an archive where you […]