Tag Archives: Butterfly Killer Sudoku

Butterfly Killer Sudoku

It’s been a while since I last posted a Killer Sudoku variation. As far as I can remember, you folks liked the Butterfly layout of the puzzles, so here is an overlapping, 4-in-1 (Gattai-4), Killer Butterfly Sudoku puzzles. You can also find these puzzles in my Killer Sudoku Compendium book. Killer Butterfly Sudoku for Friday, […]
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Killer Sudoku Compendium: 101 puzzles of various deadliness

Here is something that all true Killer Sudoku fans will surely enjoy… a compilation of your favorite Killer Sudoku puzzles of all sorts and sizes! Most types of puzzles printed in this compendium cannot be found elsewhere! Needless to say, all puzzles are unique and never published before. 101 puzzles in 12 different categories, so […]
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Butterfly Killer Sudoku

“I think this one is quite difficult” – is what I would be tempted to say if I didn’t have such an army of intrepid solvers for audience. So, I won’t say that. See for yourself and let me know what you think about this killer butterfly puzzle. Click on the puzzle thumbnail to access […]
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Butterfly Killer Sudoku X

It’s been a while since I last posted a Butterfly Killer, let alone one with the “X” factor. So, here it is – and to spice it up a little, I made it quite hard (altho I expect someone to get back in 20 minutes and say it was way too easy). So, you get […]
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Extra special – Butterfly Killer Sudoku (hard)

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 […]
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Killer Butterfly

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 […]
Posted in Free sample puzzles, Killer Sudoku, Sudoku Variants | Also tagged , , , , , , , , , , , , , , , | 4 Responses
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