Somehow butterfly puzzles have been neglected in the past few months and it’s time to rectify. A quick reminder – this breed of overlapping sudoku puzzles was suggested by udosuk and implemented by myself. There are 4 “classic” 9×9 Killer Sudoku puzzles inside this one. They all overlap and they all must be solved according […]
Here is another Sudoku overlapping puzzle variation. This one was suggested again by udosuk, just like the butterfly puzzles. If you have seen Sudoku puzzles with this layout before – please let me know! There are 5 puzzles that heavily overlap each other – in fact the center (inner) grid is completely covered by the […]
This Weekend’s special is a brand new Sudoku puzzle that I have never posted before. It’s a greater/less than sudoku variant. All standard sudoku rules apply. You don’t have any numbers to start with, instead, there are clues which cells contain numbers that are greater/smaller than the numbers in adjacent cells. I’m sure you’ve seen […]
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 […]
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 that apply. 2. This solution can be found by logic only – no trial and […]
This is something very special: my first ever produced Samurai Sudoku puzzle. For those of you who haven’t come across these, it’s a Sudoku variation where there are 4 standard grids interconnected by another middle grid. So all together you have 5 grids! All the standard Sudoku rules apply. You just have to be extra […]
