Zero Killer Sudoku

A few visitors to my forum have been creating these puzzles for quite some time. Well, here is one from me. Rules: Everything is exactly the same as in your ordinary Killer Sudoku puzzles, except that there are even fewer…

Read More →

Jigsaw TwoDoku

Hello everyone, I’m back! 🙂 After a few weeks of no updates and some problems with the site, it’s time to get back to usual daily and weekly routines. The Washington Post Samurai Sudoku solutions have been updated. The Weekly…

Read More →

Jigsaw Samurai Sudoku

It has been hinted that this kind of puzzle was going to be posted soon – and to end the suspense, here it is! 🙂 My first ever Jigsaw Samurai Sudoku! Not so many sites produce these puzzles. I might…

Read More →

Jigsaw Sudoku

As promised, I will be posting more Jigsaw Sudoku puzzles. Here is a plain one, but soon you’ll get something of this kind but… hmmm… bigger! Can you think of anything that fits this description? Jigsaw Sudoku for Sunday, July…

Read More →

Jigsaw Windoku

For some reason I haven’t really paid much attention to one very popular variant of Sudoku puzzles – Jigsaws. Well, that’s changed. I have now implemented Jigsaw Sudoku into my software and I will now start posting these puzzles often.…

Read More →

HYPER (aka Windoku) Samurai Sudoku

Ok, some of you thought that my previous invention was “nice” or even “very cool”, but some also thought that it was “really easy” and “not a challenge”. So I have to keep inventing new stuff. I quickly checked the…

Read More →

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…

Read More →