Tag Archives: solving technique

  • Flagship books

    The Way of Samurai_Sudoku, volume 1        Revenge of Killer_Sudoku, volume 1        Jigsaw_sudoku, very twisted puzzles        Hanjie_, Griddlers_, Nonograms_: whatever the name, it is the same game

Odd Even Sudoku

odd-even-sudoku-variants-20121231-INSANE

Merry Christmas to all who celebrate this day! As a small gift for you, I’ve prepared an odd-even sudoku variation puzzle. It’s not the first odd even puzzle I ever posted, but it is the first plain odd even sudoku. And to spice things up a little bit, this is a very difficult odd/even sudoku! [...]Sudoku_Straights, where Poker meets Sudoku

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , | 4 Responses

Sudoku for Kindle

300 difficult Sudoku puzzles for Kindle

Another Kindle game has been released. This is the first re-release for Kindle of a paperback sudoku book that I published before. It’s a collection of 300 classic Sudoku puzzles for Kindle. Now, those are not just your ordinary easy, repetitive Sudokus that you find in your local newspaper. No. These are tough. Challenging. Demanding. [...]

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Twodoku

twodoku_20120311_difficult

Here we go… another “classic” Sudoku that I can’t remember posting before. Twodoku is a Gattai-2 puzzle, which means that there are two overlapping Sudokus. It’s a tough one, I think. In order to solve it, you should use all classic Sudoku solving techniques, but it would help if you also knew how to apply [...]Flower_ Sudoku and Outside_ Sudoku

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Butterfly Sudoku

butterfly_sudoku_8_2_THINKER_u48_0_0_159_0_0_0_0_11_25__boxbreaks_c32_s_30_342239107

I realized that I never posted a classic Butterfly Sudoku puzzle on the main page of the website. A few of them have been posted on the Daily Sudoku Variants page, but the puzzles posted there disappear from this website after a week. So… to rectify this issue, I am presenting you with a Butterfly [...]Sudoku_Straights, where Poker meets Sudoku

Posted in Free sample puzzles, Sudoku Variants | Also tagged , , , , , , , , , , , , , , , | 2 Responses

Hanjie Griddlers Nonograms book

You may have already noticed a small book cover in the upper left corner of this website, but now, this is a proper announcement for my third book containing Hanjie puzzles. Hanjie Griddlers Nonograms: Whatever the name, it’s the same game Picross had to be dropped from the title for legal reasons. More about that [...]

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Posted in Picross, Puzzle books | Also tagged , , , , , , , , | 1 Response
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