Sudoku: the puzzle
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General
Everything about Sudoku that doesn't fit in one of the other sections - 1364 Topics
- 24023 Posts
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Last postEnd in n digit pattern
by champagne
Thu Apr 30, 2026 9:55 am
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General
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Puzzles
Post puzzles for others to solve here. - 5652 Topics
- 40084 Posts
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Last postSteve Stumble 5-15-2026
by RSW
Fri May 22, 2026 5:35 am
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Puzzles
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Help with puzzles and solving techniques
Post the puzzle or solving technique that's causing you trouble and someone will help - 1564 Topics
- 12467 Posts
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Last postOutside sudoku help
by 1to9only
Fri Apr 10, 2026 10:07 pm
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Help with puzzles and solving techniques
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Advanced solving techniques
Advanced methods and approaches for solving Sudoku puzzles - 1381 Topics
- 21057 Posts
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Last postXYZ-Ring
by rjamil
Wed Feb 18, 2026 2:09 am
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Advanced solving techniques
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Interactive games
Interactive on-site game threads go here - 23 Topics
- 60776 Posts
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Last postMinMaxExercise
by coloin
Tue May 12, 2026 7:25 pm
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Interactive games
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Software
Programs which generate, solve, and analyze Sudoku puzzles - 762 Topics
- 6953 Posts
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Last postCSP-Rules, SudoRules, ...
by denis_berthier
Wed May 20, 2026 4:19 am
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Software
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- Puzzle collections sorted by solving qualities
by tso » Thu Aug 03, 2006 5:38 pm - 14 Replies
- 28073 Views
- Last post by denis_berthier
Fri Sep 08, 2023 4:39 am
- Puzzle collections sorted by solving qualities
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- List of Acronyms
by Wecoc » Tue Jan 21, 2020 11:18 pm - 10 Replies
- 14417 Views
- Last post by denis_berthier
Fri Mar 04, 2022 7:24 am
- List of Acronyms
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- Places to go for solving tips
by Ruud » Sun Jan 20, 2008 10:31 pm - 8 Replies
- 22530 Views
- Last post by mac_sudo
Sun Jun 21, 2020 11:43 pm
- Places to go for solving tips
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- Sudokus of Shame
1 ... 4, 5, 6
by Moschopulus » Thu Feb 02, 2006 1:19 am
- 86 Replies
- 131061 Views
- Last post by enxio27
Tue Dec 11, 2018 2:53 pm
- Sudokus of Shame
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- What this forum is for
by JasonLion-Admin » Thu May 27, 2010 1:29 pm - 0 Replies
- 11850 Views
- Last post by JasonLion-Admin
Thu May 27, 2010 1:29 pm
- What this forum is for
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- Interactive games forum decorum
by g.r.emlin » Sat May 22, 2010 5:31 am - 0 Replies
- 11053 Views
- Last post by g.r.emlin
Sat May 22, 2010 5:31 am
- Interactive games forum decorum
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- New topics - How to ask for help
by Animator » Wed Dec 28, 2005 12:58 am - 0 Replies
- 16902 Views
- Last post by Animator
Wed Dec 28, 2005 12:58 am
- New topics - How to ask for help
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- Steve Stumble 5-15-2026
by SteveG48 » Fri May 15, 2026 2:05 pm - 3 Replies
- 59 Views
- Last post by RSW
Fri May 22, 2026 5:35 am
- Steve Stumble 5-15-2026
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- One from Phil
by pjb » Thu May 21, 2026 2:06 am - 3 Replies
- 40 Views
- Last post by RSW
Fri May 22, 2026 5:28 am
- One from Phil
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- Steve Hodoku 5-19-2026
by SteveG48 » Tue May 19, 2026 6:12 pm - 4 Replies
- 52 Views
- Last post by RSW
Fri May 22, 2026 4:41 am
- Steve Hodoku 5-19-2026
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- CSP-Rules, SudoRules, KakuRules...
1 ... 7, 8, 9by denis_berthier » Wed Aug 19, 2020 10:25 am - 121 Replies
- 55179 Views
- Last post by denis_berthier
Wed May 20, 2026 4:19 am
- CSP-Rules, SudoRules, KakuRules...
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- Steve Hodoku 5-18-2026
by SteveG48 » Mon May 18, 2026 7:25 pm - 3 Replies
- 54 Views
- Last post by pjb
Tue May 19, 2026 6:16 am
- Steve Hodoku 5-18-2026
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- Steve Hodoku 5-17-2026
by SteveG48 » Sun May 17, 2026 8:02 pm - 4 Replies
- 62 Views
- Last post by Cenoman
Mon May 18, 2026 1:21 pm
- Steve Hodoku 5-17-2026
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- Steve Hodoku 5-15-2026
by SteveG48 » Fri May 15, 2026 6:31 pm - 2 Replies
- 54 Views
- Last post by pjb
Sat May 16, 2026 1:19 am
- Steve Hodoku 5-15-2026
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- Five diamonds, not so hard
by m_b_metcalf » Mon May 11, 2026 8:54 am - 1 Replies
- 87 Views
- Last post by Cenoman
Fri May 15, 2026 8:26 pm
- Five diamonds, not so hard
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- 1 pearl among 4 diamands
by Hajime » Sat May 09, 2026 1:32 pm - 2 Replies
- 148 Views
- Last post by urhegyi
Tue May 12, 2026 4:32 pm
- 1 pearl among 4 diamands
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- Five diamonds
by m_b_metcalf » Sun May 10, 2026 10:29 am - 2 Replies
- 97 Views
- Last post by m_b_metcalf
Sun May 10, 2026 4:39 pm
- Five diamonds
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- 1 pearl among 4 diamonds #2
by Hajime » Sun May 10, 2026 3:26 pm - 0 Replies
- 56 Views
- Last post by Hajime
Sun May 10, 2026 3:26 pm
- 1 pearl among 4 diamonds #2
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- Steve Stumble 5-8-2026
by SteveG48 » Fri May 08, 2026 2:41 pm - 2 Replies
- 74 Views
- Last post by pjb
Sat May 09, 2026 12:45 am
- Steve Stumble 5-8-2026
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- minlex #8
by m_b_metcalf » Wed May 06, 2026 6:26 am - 4 Replies
- 138 Views
- Last post by eleven
Fri May 08, 2026 1:59 pm
- minlex #8
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- minlex #7
by m_b_metcalf » Mon May 04, 2026 10:23 am - 3 Replies
- 117 Views
- Last post by eleven
Wed May 06, 2026 12:52 pm
- minlex #7
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- Steve Stumble 4-24-2026
by SteveG48 » Fri Apr 24, 2026 4:45 pm - 2 Replies
- 138 Views
- Last post by Ngisa
Mon May 04, 2026 3:22 pm
- Steve Stumble 4-24-2026
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- minlex #6
by m_b_metcalf » Sat May 02, 2026 1:24 pm - 2 Replies
- 85 Views
- Last post by pjb
Mon May 04, 2026 2:06 am
- minlex #6
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- minlex #5
by m_b_metcalf » Thu Apr 30, 2026 2:46 pm - 1 Replies
- 79 Views
- Last post by Cenoman
Fri May 01, 2026 10:14 pm
- minlex #5
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- End in n digit pattern
by champagne » Fri Mar 06, 2026 7:57 am - 9 Replies
- 432 Views
- Last post by champagne
Thu Apr 30, 2026 9:55 am
- End in n digit pattern
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- 3.77us Solver(2.8G CPU, TestCase:17Sodoku)
1 ... 26, 27, 28 by zhouyundong_2012 » Fri Feb 10, 2012 10:50 pm
- 412 Replies
- 84475 Views
- Last post by champagne
Wed Apr 29, 2026 12:29 am
- 3.77us Solver(2.8G CPU, TestCase:17Sodoku)
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- Potential n digits end in solution grid 2889161802
1, 2by champagne » Thu Mar 19, 2026 10:42 am - 19 Replies
- 483 Views
- Last post by champagne
Fri Apr 24, 2026 8:36 am
- Potential n digits end in solution grid 2889161802
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- A new 39-clue minimal puzzle?
by m_b_metcalf » Thu Apr 23, 2026 8:35 am - 2 Replies
- 115 Views
- Last post by denis_berthier
Fri Apr 24, 2026 3:48 am
- A new 39-clue minimal puzzle?
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- minlex #4
by m_b_metcalf » Wed Apr 22, 2026 1:27 pm - 1 Replies
- 70 Views
- Last post by Cenoman
Wed Apr 22, 2026 9:17 pm
- minlex #4
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- Number of possible 16x16 sudoku grids?
1, 2by yes_maybe » Thu Jan 09, 2020 2:26 pm - 22 Replies
- 6668 Views
- Last post by Maq777
Wed Apr 22, 2026 8:43 pm
- Number of possible 16x16 sudoku grids?
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- minlex #3
by m_b_metcalf » Tue Apr 21, 2026 9:56 pm - 4 Replies
- 115 Views
- Last post by SteveG48
Wed Apr 22, 2026 8:06 pm
- minlex #3
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- minlex #2
by m_b_metcalf » Sun Apr 19, 2026 12:26 pm - 1 Replies
- 82 Views
- Last post by Cenoman
Tue Apr 21, 2026 2:45 pm
- minlex #2
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- minlex
by m_b_metcalf » Sat Apr 18, 2026 9:02 am - 4 Replies
- 118 Views
- Last post by pjb
Sat Apr 18, 2026 11:52 pm
- minlex
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- Symmetrical clues #2
by m_b_metcalf » Tue Apr 14, 2026 9:17 am - 3 Replies
- 153 Views
- Last post by SteveG48
Sat Apr 18, 2026 7:53 pm
- Symmetrical clues #2
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- Symmetrical clues, last
by m_b_metcalf » Wed Apr 15, 2026 8:11 am - 1 Replies
- 95 Views
- Last post by Cenoman
Wed Apr 15, 2026 4:37 pm
- Symmetrical clues, last
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