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Insane Killer Sudoku

By djape | Published: April 21, 2007

Ok, a few regular readers have requested an INSANE Killer Sudoku puzzle so I had to respond. This puzzle should be very difficult to solve. In fact, it might require some trial&error attempts to be solved. Do not attempt to solve this puzzle unless you are willing to accept that!

(click to download or right-click to save the image!)

To see the solution to this puzzle click here

This entry was posted in Free sample puzzles, Killer Sudoku and tagged INSANE, killer, killer sudoku, Perfect Sudoku, Weekend Special. Bookmark the permalink. Post a comment or leave a trackback: Trackback URL.

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6 Comments

Diana

Posted April 24, 2007 at 1:40 am | Permalink

Sorry to disappoint you — the Insane (2308329) was pretty straightforward (but still enjoyable, as always). Don’t know where the trial-and-error would come in.
Insanes are always appreciated!

Reply
Erica Kirby

Posted April 27, 2007 at 4:38 am | Permalink

Always enjoy an INSANE (2308329).I did not seem to need the trial-and-error technique. Thanks for a terrific website.

Reply
Gwyn Morgan

Posted April 29, 2007 at 11:22 pm | Permalink

Insane (2308329): I agree with the comments by Diana and Erica but have to admit it took me three tries because I made the same error in logic the first two times. Thanks for the wonderful series of killer sudoku puzzles.

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Stephen J. Herschkorn

Posted May 2, 2007 at 3:40 am | Permalink

No trial and error here, either.

Reply
Scott Urman

Posted May 3, 2007 at 10:04 pm | Permalink

It was a very nice surprise for me to be able to figure this one out without having to guess (although I did check my solution as I went). Great confidence booster! 🙂

Reply
Mercedes

Posted March 30, 2014 at 7:14 am | Permalink

no more news killers?

Reply