KILLER Samurai

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…

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More exclusive puzzles

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.…

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We’re going to Greece!

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…

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More Swordfish

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…

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Perfect Books in bookshops!

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…

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Swordfish

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…

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