Killer Samurai Sudoku – hard!
There have been no updates for about two weeks because I was away from home for a while. I will make sure to put everything into place now and also I will start working on making some major improvements on…
Tag: killer
First INSANE September 27 anniversary
Well, folks, one year has passed since I posted my first INSANE Killer Sudoku puzzle. Although it wasn’t “perfect” (it contains singleton cages), most probably this site wouldn’t become popular if it hadn’t been for that puzzle. It was by…
Clueless Consecutive Sudoku puzzle
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,…
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…
First Anniversary of www.djape.net (belated)
Well, folks, it’s been more than one year since I started posting puzzles on this website and I’d like to write a few words about that. Actually, since this site has become popular thanks to Killer Sudoku puzzles I intended…
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…
A brand new Killer Samurai Sudoku!
It’s been a while since I last posted a Killer Samurai puzzle so here is a new one for those of you who like the ultimate Sudoku challenge!
Twin Killer Sudoku
Just so you don’t think that I disappeared off the face of the earth (or sea?), here is a new Twin Killer sudoku puzzle for you! Two puzzles that do not overlap. Instead, they are placed next to each other,…
Clueless Killer Sudoku #2
For those who don’t get enough challenge from Killer Samurai Sudoku nor from Harakiri nor from Twin Killer nor from any other overlapping, odd/even, consecutive or greater/less than sudoku – here is the ultimate challenge – my second ever Clueless…
Introducing “Twin Killer” Sudoku puzzles!
Another Sudoku variation that I have adopted from my readers: Twin Killer Sudoku. Two puzzles that do not overlap. Instead, they are placed next to each other, but most importantly – they both have the same solution. Or, to be…