The Home of Perfect Sudoku and other puzzles
Free Sudoku, Sudoku variants, KenKen, Kakuro, Picross, Hitori, Nurikabe and many other kinds of puzzles by Djape
Here is something brand new, well, for this site anyway: Hanjie puzzles, previously known under the name “Tsunami”. I have been supplying these puzzles to Euromedia Finland since July who are publishing a Hanjie magazine every month. Each issue of…
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…
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,…
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…
Someone 😉 complained and asked for more new variants and specifically for cons/non-cons puzzles. So here it is – first ever Consecutive Butterfly (4 in 1) Sudoku puzzle. “Pipes” (“|” symbols) between cells mean that those cells must contain consecutive…
I realized that it’s been quite a while since I last posted a “vanilla” Samurai Sudoku puzzle, so today, in addition to our regular Tuesday’s Samurai Sudoku X, you get a special treat of another Samurai puzzle. Samurai Sudoku for…
Here is another of our unique Butterfly Samurai puzzles! It consists of 20 (twenty) classic 9×9 Sudoku sub-puzzles. There are 5 groups of 4 sub-puzzles. Each group of 4 is arranged Butterfly-style, and those 5 groups are arranged Samurai-style. Please…
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…
I have only posted one puzzle of this kind so far and here is a new one – “” puzzle in Samurai layout! No given numbers to begin with, instead, there are greater than and less than signs all over…
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…