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  • inappropriate ads ?

    Last post by pnm   » Tue Jan 13, 2026 10:31 pm

    by pnm   » Tue Jan 13, 2026 10:31 pm

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    by pnm   Tue Jan 13, 2026 10:31 pm
  • usernames in other alphabets

    Last post by pnm   » Mon Dec 01, 2025 7:47 pm

    by pnm   » Mon Dec 01, 2025 7:47 pm

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    by pnm   Mon Dec 01, 2025 7:47 pm
  • new feature for non-subscribers: unlock puzzles by watching a video ad

    Last post by pnm   » Wed Nov 26, 2025 1:57 pm

    by pnm   » Wed Nov 05, 2025 7:24 pm

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    by pnm   Wed Nov 26, 2025 1:57 pm
  • the Ukrainian language was added / було додано українську мову

    Last post by pnm   » Sun Nov 23, 2025 6:23 pm

    by pnm   » Sun Nov 23, 2025 6:23 pm

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    by pnm   Sun Nov 23, 2025 6:23 pm
  • French language was added / Français a été ajouté

    Last post by pnm   » Sun Nov 23, 2025 4:21 pm

    by pnm   » Tue Nov 04, 2025 3:43 pm

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    by pnm   Sun Nov 23, 2025 4:21 pm
  • .. switching to new server

    Last post by pnm   » Sun Oct 26, 2025 11:28 pm

    by pnm   » Mon Oct 06, 2025 2:40 pm

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    by pnm   Sun Oct 26, 2025 11:28 pm
  • new forum software

    Last post by pnm   » Tue Oct 21, 2025 10:00 pm

    by pnm   » Thu Sep 18, 2025 3:42 pm

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    by pnm   Tue Oct 21, 2025 10:00 pm
  • imgur image hosting site blocked in the UK

    Last post by billa   » Sun Oct 05, 2025 2:37 am

    by pnm   » Wed Oct 01, 2025 11:10 am

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    by billa   Sun Oct 05, 2025 2:37 am
  • some sad news

    Last post by fzpowerman47   » Mon Sep 22, 2025 8:48 pm

    by pnm   » Wed Aug 06, 2025 11:48 am

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    by fzpowerman47   Mon Sep 22, 2025 8:48 pm
  • site suffered another DDOS attack

    Last post by pnm   » Wed Aug 13, 2025 11:29 am

    by pnm   » Thu Oct 10, 2019 9:19 am

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    by pnm   Wed Aug 13, 2025 11:29 am
  • user created puzzles!

    Last post by berka   » Mon Jun 02, 2025 12:58 pm

    by pnm   » Sun Feb 09, 2014 6:32 pm

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    by berka   Mon Jun 02, 2025 12:58 pm
  • arbitrary sets of numbers for the solution!

    Last post by crabmouse   » Mon Jun 02, 2025 2:11 am

    by pnm   » Thu May 22, 2025 3:32 pm

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    by crabmouse   Mon Jun 02, 2025 2:11 am
  • coming soon: 100 x 100 puzzle !

    Last post by skeeter84   » Thu May 15, 2025 9:53 pm

    by pnm   » Tue Apr 01, 2025 5:03 pm

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    by skeeter84   Thu May 15, 2025 9:53 pm
  • feature for colour blind people

    Last post by pnm   » Wed Mar 19, 2025 9:47 pm

    by pnm   » Wed Mar 19, 2025 9:47 pm

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    by pnm   Wed Mar 19, 2025 9:47 pm
  • finally a "dark mode"

    Last post by flash   » Mon Mar 03, 2025 8:57 pm

    by pnm   » Sun Dec 01, 2024 9:01 pm

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    by flash   Mon Mar 03, 2025 8:57 pm
  • new "special puzzles" history

    Last post by eclipsegirl   » Fri Feb 28, 2025 10:40 pm

    by pnm   » Tue Feb 25, 2025 11:07 pm

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    by eclipsegirl   Fri Feb 28, 2025 10:40 pm
  • 2 x 2 x 2 x 2 years of calcudoku.org !

    Last post by clm   » Thu Feb 13, 2025 6:30 pm

    by pnm   » Mon Feb 10, 2025 7:14 pm

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    by clm   Thu Feb 13, 2025 6:30 pm
  • fake accounts

    Last post by pnm   » Sat Jan 11, 2025 4:53 pm

    by pnm   » Thu Mar 24, 2022 4:17 pm

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    by pnm   Sat Jan 11, 2025 4:53 pm
  • the new "Colossal Calcudoku Book"

    Last post by pnm   » Wed Dec 25, 2024 1:57 pm

    by pnm   » Sat Jul 06, 2024 10:16 pm

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    by pnm   Wed Dec 25, 2024 1:57 pm
  • "bluesky"

    Last post by frederick   » Tue Nov 12, 2024 10:40 pm

    by pnm   » Tue Nov 12, 2024 4:07 pm

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    by frederick   Tue Nov 12, 2024 10:40 pm
  • testing a new interface

    Last post by pnm   » Tue Aug 13, 2024 9:39 pm

    by pnm   » Fri Jan 19, 2024 8:14 pm

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    by pnm   Tue Aug 13, 2024 9:39 pm
  • more on the updated volumes I and II: How to Get Zero Sales

    Last post by pnm   » Sun Jul 14, 2024 11:22 am

    by pnm   » Fri Jun 21, 2024 2:40 pm

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    by pnm   Sun Jul 14, 2024 11:22 am
  • volumes I and II of the "Calcudoku Advanced" series updated

    Last post by pnm   » Sun Jun 16, 2024 2:37 pm

    by pnm   » Sat Jun 15, 2024 8:33 pm

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    by pnm   Sun Jun 16, 2024 2:37 pm
  • updated a book cover

    Last post by pnm   » Fri May 03, 2024 5:36 pm

    by pnm   » Thu May 02, 2024 8:24 pm

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    by pnm   Fri May 03, 2024 5:36 pm
  • "gcompris" (educational software) now has Calcudoku

    Last post by pnm   » Tue Feb 27, 2024 1:46 pm

    by pnm   » Tue Feb 27, 2024 1:06 pm

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    by pnm   Tue Feb 27, 2024 1:46 pm