Weekly Samurai X
Samurai X for Saturday, November 12 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about…
The Home of Perfect Sudoku and other puzzles
Samurai X for Saturday, November 12 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about…
Here is another very special Sudoku puzzle. In fact, it’s not only one puzzle but rather six of them, although you cannot solve them separately. Instead, you must solve them in the given sequence, because in order to solve a…
Udosuk, one of our visitors who is most active in giving hints for the puzzles we post here, has made a suggestion for a new solving technique for Killer Puzzles. He calls it “subtraction combo”. I’m posting his explanation here…
Samurai X for Saturday, November 05 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about…
Since it seems that this week’s brain X was a tricky one, today I didn’t post an INSANE puzzle, but rather just an IQ. It’s still quite difficult – maybe even more difficult than the brain X. I also posted…
Yesterday there was a post at blogs.guardian.co.uk about Killer Sudokus and a link to our site was posted. As a consequence, we’ve had some 600 referrals from that post within 12 hours (and overnight too)! I’d like to welcome our…
There were quite a few comments from our visitors, especially on the Daily Killer Sudoku page, which makes that and other pages load slow. Therefore, I have moved some of the old comments to this new category. If you’d like…
First of all, I posted a Killer X puzzle rated THINKER for today. I would like to know how difficult you find this one. Regarding the INSANE puzzle posted on Friday – I see that there has been a lot…
Samurai X for Saturday, October 29 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about…
As promised, I just posted a puzzle with the rating that is currently in the lead in our poll. And that, apparently, is INSANE. This puzzle requires all Killer techniques + it requires some advanced classic Sudoku techniques (match subsets…