Sudoku Harakiri
Here is my first ever Sudoku Harakiri puzzle. Frankly, I don’t enjoy solving these puzzles, but I think that there might be some interest in these. So I created a few and picked one for you. Basically, it’s a double…
The Home of Perfect Sudoku and other puzzles
Here is my first ever Sudoku Harakiri puzzle. Frankly, I don’t enjoy solving these puzzles, but I think that there might be some interest in these. So I created a few and picked one for you. Basically, it’s a double…
2×2 Killer Samurai! for kids to enjoy on New Year’s Day! So, you only use numbers 1-4 and everything else is the same as usual. If your kids are struggling with “big” Killers, give them this one so they could…
Merry Christmas to all that will celebrate it on December 25 and happy holidays to everyone else :). I uploaded the most difficult puzzle yet for this occassion – it’s a Killer Samurai X. It’s not difficult because it’s an…
This is another world-premiere puzzle – 2×2 Killer Samurai! So, you only use numbers 1-4 and everything else is the same as usual. If your kids are struggling with “big” Killers, give them this one so they could learn the…
Lets formalize the technique that can be used when solving overlapping puzzles, which I have been referring to as “the new solving technique” and that I now call Twin Nonets. Basically, this technique is a sub-technique (or if you like…
Instead, a very similar yet different variation – 4 puzzles in an X-Ring. This is not to be confused with the X-Wing solving technique! X-Ring for Saturday, December 03 – this is the only place you can find these kind…
Another overlapping sudoku variant – now with 3 Sudoku X puzzles. Warning: This puzzle is quite difficult even that it can be solved using only basic sudoku solving techniques. You must work on all three puzzles in order to get…
Instead, a very similar yet different variation – the true Wing X. This is not to be confused with the X-Wing solving technique! Wing X for Saturday, November 26 – this is the only place you can find these kind…
I posted another classic Sudoku that requires Swordfish/X-Wing solving technique. You should practice this technique because at some stage I might post a Killer Sudoku that will require you to use this technique to solve the puzzle. Maybe. 🙂 Of…
UPDATE: I changed the image to reflect an actual X-Wing. As a matter of fact, this is the puzzle that I posted a couple of days ago under the “daily Sudoku” page. Here is a quick explanation for the “X-Wing”…