For some reason I haven’t really paid much attention to one very popular variant of Sudoku puzzles – Jigsaws. Well, that’s changed. I have now implemented Jigsaw Sudoku into my software and I will now start posting these puzzles often. As always, I don’t just create an ordinary puzzle. I have combined this with another […]
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, Odd/Even, Greater/Less than, Consecutive, and Non-Consecutive. But then again, you can put an “X” on […]
To be honest, I haven’t kept track of all the different sudoku variants that I have posted and which ones I never posted, but I think that this is the first Consecutive TwoDoku X sudoku puzzle ever. I will check in my archive when I find some time to see if this is true or […]
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 Sudoku. You can use Twin Nonets solving technique for this one! However, in contrast with […]
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 suggesting this concept – this should encourage you to suggest a layout for overlapping puzzles […]
