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…
The Home of Perfect Sudoku and other puzzles
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…
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…
After two new book reviews from Amazon that I posted, here I’m posting all reviews of one of the books that should catch your attention: Outside Sudoku and its variants. This book is special because it contains a variety of…
It’s been a while since I last posted a Samurai Sudoku variant puzzle. Here is a new one. As far as I remember, I never posted such puzzle before. Remember: shaded cells MUST contain only ODD numbers! OddEven Jigsaw Samurai…
After a few weeks without Kakuro puzzles, this week I’ve prepared an extra special Kakuro puzzle: it’s a Non-Consecutive, Greater/Less Than, Odd/Even Kakuro puzzle! Rules: Solve the puzzle so that the numbers in every horizontal and vertical region add up…
Here is something brand new – an Odd/Even Killer Sudoku puzzle. If you ignore the odd/even part, this puzzle has many solution. So, you must use the grey cells (and not only those in your head) in order to solve…
Here is another very special puzzle – it’s an odd/even Sudoku puzzle but it also has clues on top and on the side, just the same as in Hanjie puzzles. This puzzle was provided by Clagu, our regular visitor from…
Well, it’ time to revive the “Daily Sudoku variants” page. First of all, that page has been renamed to “(Non)consecutive”. Since this variation of Sudoku puzzles has proven to be more popular than odd/even and greater/less than, I have decided…
It’s been a while! 🙂 For various reasons I haven’t made any posts in the last few months but that’s about to change. Thanks to Princess Amy, I’m presenting you a very special Sudoku puzzle. It consists of 1 Killer,…
How many Sudoku variants are there? I don’t know. To calculate, you’d have to multiply the number of overlapping types with the number of variants that impose additional constraints on each puzzle. I produce puzzles with 5 different constraints: Killer,…