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Clueless Killer Sudoku #2

For those who don’t get enough challenge from Killer Samurai Sudoku nor from Harakiri nor from Twin Killer nor from any other overlapping, odd/even, consecutive or greater/less than sudoku – here is the ultimate challenge – my second ever Clueless Killer Sudoku. If your friends or family call you names when they see you solving this puzzle – please do not complain to me. In fact, I suggest that you just download this puzzle, have a look, but don’t attempt to solve it. Again, thanks to Ruud from www.sudocue.net for inventing the “clueless” concept. In this puzzle, there are 9 Sudoku puzzles with no overlapping regions! If you attempt to solve them individually – you won’t get far. Here is where the “clueless” part comes in: in all of those 9 puzzles, the center nonet is just one cage. As you plug in your numbers, center nonets (shaded in grey) start filling up. The trick is that those 9 center nonets, put together, also constitute a valid Sudoku puzzle. So, when you run out of ideas, start working on the 10th puzzle and it will give you enough information to solve the whole lot. Those 10 puzzles together have, of course, a single solution. Clueless Killer Sudoku for Monday, May 15 – this is the only place you can find these kind of Sudoku puzzles!
(click to download or right-click to save the image!)

Fiendish Killer Sudoku Book


To see the solution to this puzzle click here
This entry was posted in Free sample puzzles, Killer Sudoku, Samurai sudoku, Sudoku Variants and tagged , , , , , , , , , , , . Bookmark the permalink. Post a comment or leave a trackback: Trackback URL.

7 Comments

  1. Nathan
    Posted May 17, 2006 at 9:55 pm | Permalink

    I tried to print off the clueless killer puzzle, but all I get is the layout with a bunch of dotted line shapes and numbers like 11 45 and others all over the board. What am I doing wrong?

  2. Posted May 17, 2006 at 11:06 pm | Permalink

    Nathan, that’s what the Clueless Killer should look like. It’s a killer sudoku puzzle in Clueless format – so you do expect lots of dotted lines and cage sums.

  3. Nathan
    Posted May 18, 2006 at 4:37 pm | Permalink

    I appologize for my question. I was un aware of this format. I have now got it!

  4. amanda
    Posted May 22, 2006 at 2:41 am | Permalink

    I had a great time with this one! I had to enlarge it though! The few people who saw it did look at me strangely though.
    When you go back to doing single ones – they seem easier somehow.
    Thanks for my daily fix.
    Amanda Australia

  5. Winterheat
    Posted May 29, 2006 at 5:55 pm | Permalink

    This got one of my favorite sudoku variations. I found it to be somewhat easier than the first one or maybe I`m just getting more skilled. Nevertheless hope to see more clueless killer sudokus in the future.

  6. Mizbee
    Posted June 16, 2007 at 12:04 am | Permalink

    Holy Moley!

  7. Catalin
    Posted January 31, 2013 at 6:53 am | Permalink

    I can’t print this properly… 🙁 the numbers are too blurry, thus unreadable on paper :((

3 Trackbacks

  • By Clueless Killer Sudoku #3 on February 17, 2012 at 2:36 am

    […] "undefined"){ addthis_share = [];}A while ago I posted 2 Clueless Killer Sudoku puzzles and for the second one I suggested that you shouldn’t attempt to solve […]

  • By Clueless Zero Killer Sudoku on February 7, 2013 at 6:50 am

    […] see the solution to this puzzle click here Previously I said that you should not attempt to solve these puzzles because they’re too difficult. This time […]

  • By Clueless Killer Sudoku #3 on February 26, 2015 at 8:55 am

    […] while ago I posted 2 Clueless Killer Sudoku puzzles and for the second one I suggested that you shouldn’t attempt to solve […]

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