Calcudoku puzzle forum

English
- Announcements
  
  New features on the site
  
  187
  Topics
  
  1812
  Posts
  
  Re: site suffered another DDO…
  by pnm » Mon Apr 13, 2026 12:10 pm
- Calcudoku General
  
  Anything that doesn't fit in the other forums
  
  384
  Topics
  
  4030
  Posts
  
  Re: The darn 9 x 9 pattern (T…
  by frederick » Thu Apr 02, 2026 3:17 pm
- Solving strategies and tips
  
  For questions and answers about how to solve Calcudokus
  
  87
  Topics
  
  669
  Posts
  
  Re: Calcudoku Solver/Grader
  by pnm » Tue Mar 17, 2026 10:19 pm
- Specific puzzles / your own puzzles (Calcudoku / Killer Sudoku)
  
  Discuss a specific puzzle (e.g. "the 8x8 difficult Calcudoku of Thursday"), or post puzzles you designed yourself.
  
  237
  Topics
  
  1705
  Posts
  
  Re: April 7th 9x9
  by eclipsegirl » Wed Apr 08, 2026 11:47 pm
- Timed Puzzles
  
  For discussion of the puzzles against the clock, their scoring, strategies, etc.
  
  137
  Topics
  
  1494
  Posts
  
  Re: no-op timed puzzle?
  by pnm » Wed Apr 08, 2026 1:19 am
- Killer Sudoku
  
  For discussion of the site's Killer Sudoku puzzles.
  
  60
  Topics
  
  442
  Posts
  
  Re: Easy killer sudoku
  by paulv66 » Mon Mar 25, 2024 7:40 pm
- Sudoku solving / your own Sudokus / your own other puzzles
  
  For discussion of the site's Sudoku puzzles, creating Sudokus, variants, solving strategies, etc.
  
  64
  Topics
  
  161
  Posts
  
  Re: I don't understand the so…
  by vivivi » Tue Jan 27, 2026 3:54 pm
- Other number stuff
  
  Any other math / number / puzzle / etc. related topics
  
  41
  Topics
  
  232
  Posts
  
  Re: general article about doi…
  by spacecadet » Mon Apr 06, 2026 10:13 pm
- Bugs and errors
  
  Report anything that's broken.
  
  381
  Topics
  
  2290
  Posts
  
  Re: more small fixes: updatin…
  by frederick » Fri Apr 10, 2026 12:12 am
Nederlands
- Aankondigingen
  
  Over nieuwe dingen op de site
  
  24
  Topics
  
  59
  Posts
  
  Re: Calcudoku vakantie puzzel…
  by pnm » Tue Jul 19, 2022 7:03 pm
- Calcudoku Algemeen
  
  Alles wat niet in de andere forums past
  
  16
  Topics
  
  71
  Posts
  
  Re: Betaalprobleem bij Amazon
  by nicow » Thu Nov 27, 2025 3:37 pm
- Oplostips en strategieën
  
  Vraag & antwoord over hoe de puzzels op te lossen
  
  5
  Topics
  
  17
  Posts
  
  Re: Xmas2025
  by pnm » Thu Dec 18, 2025 7:19 pm
Italiano
- Calcudoku Generale
  
  12
  Topics
  
  58
  Posts
  
  Re: schemi per abbonati
  by pnm » Sun Feb 22, 2026 11:00 pm
- Strategie e consigli per risolvere
  
  6
  Topics
  
  28
  Posts
  
  Re: Per i nuovi adepti
  by clm » Thu Jun 22, 2017 6:46 pm
Español
- Avisos
  
  Nuevas funcionalidades en la página
  
  5
  Topics
  
  9
  Posts
  
  Envía tu propio rompecabezas
  by calcpnm » Tue Oct 21, 2025 6:19 pm
- Calcudoku - General
  
  Cualquier cosa que no quepa en los otros foros
  
  3
  Topics
  
  7
  Posts
  
  Buen video de YouTube de Calc…
  by pnm » Thu Sep 04, 2025 2:01 pm
- Estrategias de solución y aspectos relevantes
  
  Para preguntas y respuestas sobre cómo resolver los crucigramas
  
  8
  Topics
  
  10
  Posts
  
  Re: Operador 'bitwise OR' |
  by taburona82 » Tue Mar 04, 2014 3:11 pm

Information

Statistics

Total posts 13091 • Total topics 1654 • Total members 11810 • Our newest member nickttnm