The Home of Perfect Sudoku and other puzzles
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…
“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…
Weekend Special: Butterfly Samurai Killer Sudoku with diagonal cages! This puzzle consists of 20 (twenty) 9×9 Sudoku sub-puzzles. There are 5 groups of 4 puzzles. Each group of 4 is arranged Butterfly-style, and those 5 groups are arranged Samurai-style. Please…
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…
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…
Weekend Special: Butterfly Samurai Killer Sudoku with diagonally adjacent cells! This puzzle consists of 20 (twenty) 9×9 Sudoku sub-puzzles. There are 5 groups of 4 puzzles. Each group of 4 is arranged Butterfly-style, and those 5 groups are arranged Samurai-style.…
You knew this was coming – surely the largest Killer Sudoku puzzle ever! It’s a Butterfly Samurai Killer puzzle! It consists of 20 (twenty) 9×9 Sudoku sub-puzzles. There are 5 groups of 4 puzzles. Each group of 4 is arranged…
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…