Butterfly Sudoku
I realized that I never posted a classic Butterfly Sudoku puzzle on the main page of the website. A few of them have been posted on the Daily Sudoku Variants page, but the puzzles posted there disappear from this website…
The Home of Perfect Sudoku and other puzzles
I realized that I never posted a classic Butterfly Sudoku puzzle on the main page of the website. A few of them have been posted on the Daily Sudoku Variants page, but the puzzles posted there disappear from this website…
A few hours ago another review came in. This time it’s for Jigsaw Sudoku: 150 very twisted puzzles. It’s another short review. Also 5/5 stars. This Jigsaw Sudoku book, containing nothing but the squiggly variant of sudoko puzzles, has 5…
A new review of Flower Sudoku: 5 in 1 Sudoku puzzles book has been posted on Amazon. It’s a short, 5/5 stars review. Interestingly enough, so far there have been 4 reviews of this book – and all reviews of…
Here is a new review of The Way of Samurai: 101 puzzles on Amazon.com. It’s a 5/5 stars. 🙂 Concerning the training of the brain it was 4 years ago stated in the Danish engineering news that research had found…
Today’s puzzle on the Daily Sudoku variants page is somewhat ambiguous. This is why I’m duplicating it here on the main page. Basically, it’s a Classic and Jigsaw Sudoku combination. In addition to 9 Jigsaw nonets, there are 9 classic…
At long last, I just uploaded my first ever Killer Samurai Sudoku. As all our other puzzles – it’s PERFECT ;). Why: 1. It has one and only one solution. If you claim differently – triple check all the rules…
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…