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40 topics 1 2 Next
  • Topics

    • puzzles good for your brain

      Last post by pnm   » Mon Sep 22, 2025 6:55 pm
      by pnm   » Mon Sep 22, 2025 6:55 pm
      0
      Replies
      112
      Views
      by pnm   Mon Sep 22, 2025 6:55 pm
    • Ukrainian Chess Championship

      Last post by clm   » Fri Dec 20, 2024 12:40 pm
      by pnm   » Thu Dec 19, 2024 9:24 pm
      1
      Replies
      22637
      Views
      by clm   Fri Dec 20, 2024 12:40 pm
    • Other math problem

      Last post by crabmouse   » Sat Dec 16, 2023 6:58 am
      by guidocram   » Thu May 04, 2023 3:41 pm
      2
      Replies
      36740
      Views
      by crabmouse   Sat Dec 16, 2023 6:58 am
    • testing AI image generators

      Last post by veryevilking   » Sun Apr 30, 2023 11:07 am
      by pnm   » Wed Aug 24, 2022 3:07 pm
      3
      Replies
      22397
      Views
      by veryevilking   Sun Apr 30, 2023 11:07 am
    • amazing historic discovery!

      Last post by eclipsegirl   » Sat Nov 12, 2022 12:18 am
      by pnm   » Wed Nov 09, 2022 5:10 pm
      1
      Replies
      16850
      Views
      by eclipsegirl   Sat Nov 12, 2022 12:18 am
    • forgot liked stocks

      Last post by beaker   » Mon Sep 19, 2022 1:58 am
      by beaker   » Wed Aug 10, 2022 3:16 am
      • 1
      • 2
      14
      Replies
      37947
      Views
      by beaker   Mon Sep 19, 2022 1:58 am
    • interesting puzzle

      Last post by pnm   » Wed Sep 14, 2022 11:54 am
      by pnm   » Wed Sep 14, 2022 11:54 am
      0
      Replies
      32973
      Views
      by pnm   Wed Sep 14, 2022 11:54 am
    • another well know number puzzle type

      Last post by pnm   » Thu Aug 18, 2022 10:44 am
      by pnm   » Thu Aug 11, 2022 4:57 pm
      3
      Replies
      20793
      Views
      by pnm   Thu Aug 18, 2022 10:44 am
    • not a number puzzle

      Last post by pnm   » Wed Jul 27, 2022 9:00 pm
      by pnm   » Wed Jul 27, 2022 9:00 pm
      0
      Replies
      33402
      Views
      by pnm   Wed Jul 27, 2022 9:00 pm
    • classic number riddle

      Last post by pnm   » Wed Jun 08, 2022 10:45 pm
      by pnm   » Wed Jun 08, 2022 5:09 pm
      3
      Replies
      22872
      Views
      by pnm   Wed Jun 08, 2022 10:45 pm
    • Travels

      Last post by starling   » Sun Jun 05, 2022 3:20 am
      by frederick   » Wed Jun 01, 2022 9:54 pm
      • 1
      • 2
      13
      Replies
      46862
      Views
      by starling   Sun Jun 05, 2022 3:20 am
    • 200,000 and 5

      Last post by bram   » Thu Apr 21, 2022 3:07 pm
      by beaker   » Sat Sep 09, 2017 1:04 am
      • 1
      • 2
      • 3
      25
      Replies
      98824
      Views
      by bram   Thu Apr 21, 2022 3:07 pm
    • bonus 3 to -2

      Last post by eclipsegirl   » Thu Dec 30, 2021 8:06 am
      by beaker   » Tue Jun 04, 2019 9:45 am
      • 1
      • 2
      • 3
      22
      Replies
      84180
      Views
      by eclipsegirl   Thu Dec 30, 2021 8:06 am
    • Sudoku Styles All-In-One

      Last post by sudokuatk   » Fri Aug 06, 2021 7:14 pm
      by sudokuatk   » Fri Aug 06, 2021 7:14 pm
      0
      Replies
      18246
      Views
      by sudokuatk   Fri Aug 06, 2021 7:14 pm
    • bonus 0-4 twin

      Last post by beaker   » Fri Jul 16, 2021 1:55 am
      by beaker   » Mon Jul 12, 2021 3:15 am
      5
      Replies
      17913
      Views
      by beaker   Fri Jul 16, 2021 1:55 am
    • The gold/yellow "7" in the rankings data

      Last post by pnm   » Mon Jan 11, 2021 10:36 am
      by beaker   » Mon Jan 11, 2021 2:37 am
      5
      Replies
      23427
      Views
      by pnm   Mon Jan 11, 2021 10:36 am
    • maths learning site

      Last post by pnm   » Tue Apr 21, 2020 12:37 pm
      by pnm   » Mon Apr 20, 2020 6:20 pm
      5
      Replies
      25028
      Views
      by pnm   Tue Apr 21, 2020 12:37 pm
    • happy new year

      Last post by paulv66   » Thu Jan 02, 2020 2:51 pm
      by beaker   » Wed Jan 01, 2020 2:11 am
      1
      Replies
      25147
      Views
      by paulv66   Thu Jan 02, 2020 2:51 pm
    • -3 t0 3

      Last post by paulv66   » Mon Dec 02, 2019 1:37 am
      by beaker   » Thu Mar 14, 2019 8:42 am
      6
      Replies
      32555
      Views
      by paulv66   Mon Dec 02, 2019 1:37 am
    • contract for the web

      Last post by pnm   » Mon Nov 25, 2019 9:04 pm
      by pnm   » Mon Nov 25, 2019 10:20 am
      2
      Replies
      22884
      Views
      by pnm   Mon Nov 25, 2019 9:04 pm
    • higher calling

      Last post by skeeter84   » Fri Nov 08, 2019 1:06 am
      by panther   » Thu Nov 07, 2019 6:42 pm
      3
      Replies
      16850
      Views
      by skeeter84   Fri Nov 08, 2019 1:06 am
    • 3 cell MOD

      Last post by allan   » Wed Nov 06, 2019 9:45 pm
      by allan   » Wed Nov 06, 2019 12:04 am
      2
      Replies
      12396
      Views
      by allan   Wed Nov 06, 2019 9:45 pm
    • 2018

      Last post by ineedaname   » Fri Oct 12, 2018 10:09 am
      by beaker   » Fri Oct 12, 2018 8:33 am
      3
      Replies
      14704
      Views
      by ineedaname   Fri Oct 12, 2018 10:09 am
    • "mind sport olympiad"

      Last post by pnm   » Thu Aug 23, 2018 1:28 pm
      by pnm   » Thu Aug 23, 2018 1:28 pm
      0
      Replies
      13517
      Views
      by pnm   Thu Aug 23, 2018 1:28 pm
    • New forum for general number stuff

      Last post by beaker   » Thu Nov 16, 2017 6:30 am
      by pnm   » Fri Mar 28, 2014 10:51 am
      • 1
      • 2
      13
      Replies
      45395
      Views
      by beaker   Thu Nov 16, 2017 6:30 am
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