Killer Sudoku on Saturdays!

I should’ve announced this before, but was too busy making the sudoku variants book. So… As of today, every Saturday on the Killer Sudoku page a Killer Sudoku 10×10 will be posted! Almost 8 years after I started posting daily…

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Odd Even Sudoku

Merry Christmas to all who celebrate this day! 🙂 As a small gift for you, I’ve prepared an odd-even sudoku variation puzzle. It’s not the first odd even puzzle I ever posted, but it is the first plain odd even…

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Sudoku Variations

I’ve created numerous variations of Sudoku puzzles. Here is a list of some of them. View a more comprehensive list on the Sudoku Variants page. And then you can find even more of them in the Sample Puzzles category. You…

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Hyper Sudoku

I’ve realized that there are several “staple” Sudoku Variants that I’ve never posted here on the main page. One of them is Hyper Sudoku. Although I never posted a “vanilla” Windoku puzzle (Hyper Sudoku = Windoku), I have posted, for…

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Outside Twodoku

Here is something completely new! 🙂 A new variant of Sudoku puzzles, previously unseen anywhere! Two overlapping Outside Sudoku puzzles arranged in the Twodoku format. What else needs to be said? 🙂 Well, just that some clues had to be…

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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…

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Jigsaw Sudoku: Squiggly puzzles

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…

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