The Home of Perfect Sudoku and other puzzles
Here is this weekend’s special – a unique and never-seen-before Killer Butterfly X There are 4 “classic” 9×9 Sudoku puzzles inside this one. They all overlap and they all must be solved according to the rules of Sudoku and Killer…
I don’t know if there is a species that go under that name and if there are, my apologies to them. Another world premiere Sudoku variation puzzle – Butterfly Killer Sudoku. Thanks to one of our regular visitors udosuk for…
There is a new website for Killer Sudoku puzzles in Italian language – KillerSudoku.it. I will be providing some puzzle for this site – actually they will repost some of the puzzles that have been previously shown on our site.…
I just uploaded my first ever overlapping Killer Sudoku puzzle. I can now create any kind of such puzzles, including Killer Samurai The puzzle should be very easy to solve – I wanted you to get used to them first.…
I just uploaded another Double Trouble X puzzle on the Daily Sudoku Page. I intend to post these puzzles everytime I post an “Easy” or “Cool” Killer Sudoku, so keep an eye on that page too.
Another proud announcement – Compupress, a publishing company from Athens, Greece, will start printing our puzzles in their magazines in December issues of their bi-weekly and monthly magazines. The puzzles will include all of the following: Sudoku X, Samurai and…
I posted another classic Sudoku that requires Swordfish/X-Wing solving technique. You should practice this technique because at some stage I might post a Killer Sudoku that will require you to use this technique to solve the puzzle. Maybe. 🙂 Of…
It is with great pleasure that I announce that two books with Perfect Sudoku puzzles have been printed and will reach bookshops very soon. I have hinted this before but it’s now official. Both books will be available in bookshops…
I have another announcement to make – as of tomorrow – Friday, November 18, our Samurai puzzles will be published every Friday in Washington Express a free daily commuter newspaper that is published in Washington D.C.. It is highly likely…
As promised, I implemented the Swordfish classic Sudoku solving technique in my Perfect Sudoku software and generated a few puzzles. I just posted one of them on the Daily Sudoku page. However, I ran my generator and generated a couple…