Insane Killer Sudoku – by Daniel Skillin

Today we have an extra special puzzle – a Killer Sudoku puzzle by a guest author. It’s been a while since I last posted such a puzzle. I really appreciate the enthusiasm of the visitors to my site and your efforts to make good quality puzzles and share them with others.

Today’s puzzle was created by Daniel Skillin. It is rated INSANE – but we all know that with the fiendish puzzles it is always a personal impression that matters. There is no absolute rating system for Samunamupure puzzles that would objectively evaluate a particular puzzle’s difficulty.

So, how tough do you find this Killer Sudoku puzzle?

Killer Sudoku for Tuesday, July 31, 2012 – Difficulty: INSANE

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

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One Comment

  1. Posted August 3, 2012 at 6:03 am | Permalink

    Congratulations to Daniel on a real toughie. Finally cracked it via the two intesecting 6s at top left and middle with the intervening 11 and 17 which only gave a very limited number of possibilities for the bottom 3 figures in top middle box. More please…

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