Kodiak Sudoku

Printable Expert Sudoku

Set 1lx18hc. 8 puzzles with an answer key, ready to print.

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Expert puzzles are our hardest tier, with sparse grids usually in the mid-20s for givens. Expect to fill in every candidate and hunt for x-wings and swordfish. A printed copy and a sharp pencil is the classic way to tackle them.

Each free PDF has 8 puzzles, four to a page on US Letter paper, plus an answer key with every solution. Every puzzle has exactly one solution. A new set appears here every day, or you can grab a different set any time.

Puzzles in this set

  1. Expert #1

    149
    83
    986
    7526
    3847
    43
    974
    6235

  2. Expert #2

    86
    8
    419
    1
    597
    952
    3419
    438
    268

  3. Expert #3

    7942
    89
    417
    584
    71
    39
    783
    43259

  4. Expert #4

    325
    19
    5692
    6
    42
    978524
    73
    98
    53

  5. Expert #5

    48
    9186
    73
    273
    13462
    15
    13
    279
    89

  6. Expert #6

    53761
    42
    719
    867
    783
    315
    4152
    9

  7. Expert #7

    6
    23
    36172
    7
    4619
    287
    15
    72
    89362

  8. Expert #8

    5
    96
    214
    4
    7321
    5794
    2641
    4917
    13

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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