• Topics
  • 9x9 Sole Prime Sumdoku

    Last post by quadrata   » Wed Nov 25, 2020 7:20 pm

    by quadrata   » Wed Nov 25, 2020 7:20 pm

    0

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    10246

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    by quadrata   Wed Nov 25, 2020 7:20 pm
  • Even Sum Rokudoku

    Last post by quadrata   » Thu Nov 12, 2020 5:50 pm

    by quadrata   » Thu Nov 12, 2020 5:50 pm

    0

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    10193

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    by quadrata   Thu Nov 12, 2020 5:50 pm
  • 2020 Divisors Sudoku

    Last post by quadrata   » Thu Oct 29, 2020 12:00 am

    by quadrata   » Thu Oct 29, 2020 12:00 am

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    8339

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    by quadrata   Thu Oct 29, 2020 12:00 am
  • Even Product Sudoku

    Last post by quadrata   » Wed Oct 07, 2020 6:27 pm

    by quadrata   » Wed Oct 07, 2020 6:27 pm

    0

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    5790

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    by quadrata   Wed Oct 07, 2020 6:27 pm
  • Even Sum Rokudoku

    Last post by quadrata   » Wed Sep 23, 2020 5:39 pm

    by quadrata   » Wed Sep 23, 2020 5:39 pm

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    by quadrata   Wed Sep 23, 2020 5:39 pm
  • Even Sumdoku

    Last post by quadrata   » Thu Sep 10, 2020 5:59 pm

    by quadrata   » Thu Sep 10, 2020 5:59 pm

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    5662

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    by quadrata   Thu Sep 10, 2020 5:59 pm
  • Some Divisibility Puzzles

    Last post by quadrata   » Wed Aug 26, 2020 6:08 pm

    by quadrata   » Wed Aug 26, 2020 6:08 pm

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    by quadrata   Wed Aug 26, 2020 6:08 pm
  • GCD Sudoku (Rokudoku)

    Last post by quadrata   » Wed Aug 12, 2020 7:56 pm

    by quadrata   » Wed Aug 12, 2020 7:56 pm

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    by quadrata   Wed Aug 12, 2020 7:56 pm
  • Least Common Multiple Sudoku

    Last post by quadrata   » Thu Jul 16, 2020 7:17 pm

    by quadrata   » Thu Jul 16, 2020 7:17 pm

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    5324

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    by quadrata   Thu Jul 16, 2020 7:17 pm
  • Fourth of July Puzzle

    Last post by quadrata   » Thu Jul 02, 2020 5:53 pm

    by quadrata   » Thu Jul 02, 2020 5:53 pm

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    by quadrata   Thu Jul 02, 2020 5:53 pm
  • Bishops and Queens

    Last post by quadrata   » Wed Jun 17, 2020 4:27 pm

    by quadrata   » Wed Jun 17, 2020 4:27 pm

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    by quadrata   Wed Jun 17, 2020 4:27 pm
  • Tiny Puzzle based on Prime Powers

    Last post by quadrata   » Wed Jun 03, 2020 6:28 pm

    by quadrata   » Wed Jun 03, 2020 6:28 pm

    0

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    4646

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    by quadrata   Wed Jun 03, 2020 6:28 pm
  • "Balanced" Maxdoku

    Last post by quadrata   » Wed May 27, 2020 3:44 pm

    by quadrata   » Wed May 27, 2020 3:44 pm

    0

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    by quadrata   Wed May 27, 2020 3:44 pm
  • Latin Meandoku

    Last post by quadrata   » Wed May 13, 2020 8:03 pm

    by quadrata   » Wed May 13, 2020 8:03 pm

    0

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    4661

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    by quadrata   Wed May 13, 2020 8:03 pm
  • Consecutive Adjacency Sudoku

    Last post by quadrata   » Wed Apr 29, 2020 5:13 pm

    by quadrata   » Wed Apr 29, 2020 5:13 pm

    0

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    4806

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    by quadrata   Wed Apr 29, 2020 5:13 pm
  • A Sudoku that almost tells you where the numbers are.

    Last post by quadrata   » Wed Apr 15, 2020 4:33 pm

    by quadrata   » Wed Apr 15, 2020 4:33 pm

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    5260

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    by quadrata   Wed Apr 15, 2020 4:33 pm
  • A Knightly Distraction - Chess Sudoku

    Last post by quadrata   » Wed Mar 25, 2020 5:40 pm

    by quadrata   » Wed Mar 25, 2020 5:40 pm

    0

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    5917

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    by quadrata   Wed Mar 25, 2020 5:40 pm
  • Imbalanced Rangedoku

    Last post by quadrata   » Wed Mar 04, 2020 6:18 pm

    by quadrata   » Wed Mar 04, 2020 6:18 pm

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    6011

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    by quadrata   Wed Mar 04, 2020 6:18 pm
  • Isolated Sudoku

    Last post by quadrata   » Wed Mar 04, 2020 6:07 pm

    by quadrata   » Wed Feb 05, 2020 5:59 pm

    2

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    6790

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    by quadrata   Wed Mar 04, 2020 6:07 pm
  • Sudoku solutions visible again

    Last post by pnm   » Tue Feb 25, 2020 11:54 pm

    by pnm   » Tue Feb 25, 2020 11:54 pm

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    by pnm   Tue Feb 25, 2020 11:54 pm
  • Happy 2020 Sudoku

    Last post by quadrata   » Wed Jan 08, 2020 6:16 pm

    by quadrata   » Wed Jan 08, 2020 6:16 pm

    0

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    5711

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    by quadrata   Wed Jan 08, 2020 6:16 pm
  • Sum Snowflake

    Last post by quadrata   » Thu Dec 26, 2019 12:37 am

    by quadrata   » Thu Dec 26, 2019 12:37 am

    0

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    4606

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    by quadrata   Thu Dec 26, 2019 12:37 am
  • Candy Cane Puzzle

    Last post by quadrata   » Wed Dec 11, 2019 6:04 pm

    by quadrata   » Wed Dec 11, 2019 6:04 pm

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    by quadrata   Wed Dec 11, 2019 6:04 pm
  • Near Sizedoku

    Last post by quadrata   » Mon Dec 02, 2019 11:10 pm

    by quadrata   » Mon Dec 02, 2019 11:10 pm

    0

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    4799

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    by quadrata   Mon Dec 02, 2019 11:10 pm
  • some Android users willing to test?

    Last post by clm   » Tue Apr 16, 2019 7:49 pm

    by pnm   » Sat Oct 27, 2018 3:19 pm

    6

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    15076

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    by clm   Tue Apr 16, 2019 7:49 pm