This is the archive of the old posts from Djape .Net, more or less as they used to be. Please go to to see the new website.

Introducing “Sudoku Sequences” or “Sudoku Straights”

Here is a brand new Sudoku variation as a special Christmas present. Hope you will like it. The rules: 1. Use numbers 1-9. Numbers cannot be repeated in rows/columns. 2. There are no nonets (3×3 boxes) like in other Sudoku puzzles. 3. Black cells do not contain numbers. Therefore, not all numbers 1-9 will appear in all rows/columns. (Be careful when applying hidden singles!) 4. And the main rule: numbers in one row/column that are between two black cells (or between a black cell and the border) must constitute a sequence, or if you prefer poker (texas hold’em or whatever) terminology, they must constitute a straight. Now, do not confuse this with consecutive sudoku! The numbers can be in any order, adjacent numbers need not be consecutive! Just like in poker. Merry Christmas folks! UPDATE: A new “Sudoku Straights” puzzle will be shown every Friday on the Sudoku variants page. Sudoku Straights for Christmas 2008.
(click to download or right-click to save the image!)

Loco Sudoku Puzzle Book Cuckoo Wacky Quirky

To see the solution to this puzzle click here
Enjoy your holidays!
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  1. Princess Amy
    Posted December 31, 2008 at 12:50 am | Permalink

    I really enjoyed this puzzle. I’ll look forward to more of them!

    Thanks again for a wonderful variation.

  2. Princess Amy
    Posted January 9, 2009 at 11:06 pm | Permalink

    Yeah! I found another one as today’s Sudoku of the day. I can’t wait for the book!

  3. Posted January 10, 2009 at 10:26 am | Permalink

    Tried first one yesterday but didn’t realise they had to be sequences…. DOH!

    BUT they are great fun! In fact we’ve enjoyed all the variations, apart from Boxbreaks and greater than, which we can’t really get our heads around!

    Rowland ‘n’Lesley

  4. Logic Puzzler
    Posted October 14, 2012 at 12:47 pm | Permalink

    Hi djape
    I have purchased several of your kindle puzzle apps. My particular favorites are the calcudoku and sudoku straights.

    The sudoku straights puzzle is particularly addictive. I think you need to promote them more on your Web page.

    Also, I would like make a suggestion: make this variant go “around the corner.” That is, just like many card games that go around the corner by having Q, K, A, 2 …… as a continuous sequence, make this version do the same with 8, 9, 1, 2 …….

    I think it will introduce some additional twists.

One Trackback

  • By Happy New Year! on September 12, 2011 at 2:13 am

    […] will be more Jigsaw Sudoku puzzles on the Daily Sudoku page. They will be accompanied by the Sudoku Straights puzzles, which is something new, but I think you should learn. There will be fewer (non)consecutive […]

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