Tag Archives: innies and outies

The Law of Leftovers (LOL)

I promised to explain this technique, which applies to Jigsaw Sudoku (aka irregular blocks) puzzles, a while ago, so it’s time to keep the promise. You can find the same technique explained on various other sites, too. This technique is somewhat similar to innies/outies which is used for solving Killer Sudoku puzzles, but there is […]

Posted in Jigsaw Sudoku, Killer Sudoku, Solving tips | Also tagged , , , , , , , , , , , , , , , , , , , | 3 Responses

Samurai Killer

Here we go – Killer Samurai with full (quad) symmetry! Click on the puzzle thumbnail to access the puzzle. Tweet The first step (innies and outies) in solving it is here.

Posted in Free sample puzzles, Killer Sudoku, Samurai sudoku | Also tagged , , , , , , , | 2 Responses

Samurai Killer

Here we go – Killer Samurai with full (quad) symmetry! Click on the puzzle thumbnail to access the puzzle. Tweet The first step (innies and outies) in solving it is here.

Posted in Free sample puzzles, Killer Sudoku, Samurai sudoku | Also tagged , , , , , , | Leave a comment

KILLER Samurai

At long last, I just uploaded my first ever Killer Samurai Sudoku. As all our other puzzles – it’s PERFECT ;). Why: 1. It has one and only one solution. If you claim differently – triple check all the rules that apply. 2. This solution can be found by logic only – no trial and […]

Posted in Free sample puzzles, Killer Sudoku, Samurai sudoku | Also tagged , , , , , , , , , , , , , , , | 8 Responses

Welcome new visitors!

Yesterday there was a post at blogs.guardian.co.uk about Killer Sudokus and a link to our site was posted. As a consequence, we’ve had some 600 referrals from that post within 12 hours (and overnight too)! I’d like to welcome our new visitors and to suggest them to go through the previous messages posted here – […]

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Cage Splitting – Killer Sudoku

Ok, here is the explanation of the “Cage/fence splitting” solving technique for Killer Sudoku puzzles that I promised before. I will use the puzzle posted on Friday, October 7 and solve it step by step using this method. We extend the idea of the “innies” and “outies” solving technique, except that you’re not looking for […]

Posted in Killer Sudoku, Solving tips | Also tagged , , , , , , , , , , , | 2 Responses

4×2 Killer Sudoku!

Today’s puzzle is not the ordinary 3×3 Killer Sudoku, but rather it’s a 4×2 variant. All rules remain the same, except that there are now only 8 digits used (1-8). NOTE:Since only 8 digits are used, the sum of all boxes, rows and columns is 36! Be careful when you look for “innies” and “outies”! […]

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Posted in Killer Sudoku | Also tagged , , , , , , , , | 1 Response
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