For fans of Killer Sudoku, Samurai Sudoku and other variants
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- Hidato
by djape » Fri Oct 24, 2008 1:13 am
- 67 Replies
- 22680 Views
- Last post by denis_berthier
Sun Jul 27, 2025 5:14 am
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- X-sudoku for dogged human solvers
by m_b_metcalf » Mon Oct 03, 2022 5:21 pm
- 43 Replies
- 2888 Views
- Last post by m_b_metcalf
Mon Jul 14, 2025 3:46 pm
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- Windoku for dogged human solvers
by Hajime » Thu Jun 12, 2025 10:11 am
- 7 Replies
- 817 Views
- Last post by Hajime
Thu Jul 10, 2025 10:35 am
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- Other Rainbow Puzzles
by HATMAN » Sat Mar 23, 2024 11:41 pm
- 2 Replies
- 1026 Views
- Last post by HATMAN
Mon Jun 23, 2025 3:23 pm
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- giant sudokus
by philvo » Fri Jan 21, 2022 8:25 am
- 105 Replies
- 10990 Views
- Last post by philvo
Mon Jun 09, 2025 1:34 pm
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- circular arrow sudoku
by urhegyi » Wed Apr 09, 2025 8:38 pm
- 1 Replies
- 706 Views
- Last post by creint
Thu Apr 10, 2025 9:37 am
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- Introducing Baxoku jigsaw Puzzle
by basscom4life » Mon Feb 10, 2025 9:03 pm
- 1 Replies
- 776 Views
- Last post by 1to9only
Wed Mar 26, 2025 11:12 am
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- Baxoku Sudoku with Triangular Boxes ($5 for first solver)
by basscom4life » Tue Feb 04, 2025 10:03 pm
- 2 Replies
- 750 Views
- Last post by 1to9only
Tue Mar 25, 2025 2:18 pm
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- Introducing Baxoku sudoku
by basscom4life » Mon Feb 03, 2025 7:08 pm
- 20 Replies
- 1953 Views
- Last post by 1to9only
Tue Mar 18, 2025 10:55 am
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- hardest 6x6 sudoku-x?
by 1to9only » Fri Jan 17, 2025 3:17 pm
- 9 Replies
- 1143 Views
- Last post by 1to9only
Sat Mar 08, 2025 2:56 pm
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- Valentine 2025 (SudokuX)
by Hajime » Sun Feb 09, 2025 2:53 pm
- 2 Replies
- 749 Views
- Last post by m_b_metcalf
Mon Feb 10, 2025 2:58 pm
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- Sudoku-X puzzle can be solved without pencilmark
by jco » Fri Jan 31, 2025 7:38 pm
- 0 Replies
- 765 Views
- Last post by jco
Fri Jan 31, 2025 7:38 pm
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- SudokuX (Diagonal Sudoku)
by Mathimagics » Fri Aug 03, 2018 6:17 pm
- 89 Replies
- 18481 Views
- Last post by philvo
Fri Jan 17, 2025 2:16 pm
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- Twin-4 easy or not?
by Hajime » Thu Dec 19, 2024 7:25 pm
- 12 Replies
- 1156 Views
- Last post by Hajime
Fri Jan 03, 2025 2:59 pm
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- X-samurai
by m_b_metcalf » Mon Sep 17, 2007 7:50 pm
- 13 Replies
- 4403 Views
- Last post by creint
Thu Jan 02, 2025 6:27 pm
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- Sujiken
by urhegyi » Mon Dec 16, 2024 8:15 pm
- 3 Replies
- 869 Views
- Last post by creint
Mon Dec 16, 2024 10:18 pm
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- Black Hole (a 32x32 compound of 16x16 X-sudokus)
by m_b_metcalf » Tue Apr 16, 2019 8:05 am
- 45 Replies
- 8000 Views
- Last post by Hajime
Mon Dec 09, 2024 12:04 pm
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- 13-clue Sudoku X
by gfroyle » Sat Dec 31, 2005 11:11 am
- 49 Replies
- 35581 Views
- Last post by m_b_metcalf
Tue Nov 12, 2024 11:10 am
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- [Exact Cover]killer sudoku cage without sum,How to convert ?
by dyguests » Sun Aug 22, 2021 9:36 am
- 3 Replies
- 1436 Views
- Last post by dyguests
Fri Oct 25, 2024 8:41 am
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- Symmetric 12-clue x-sudokus
by m_b_metcalf » Fri Aug 30, 2024 3:59 pm
- 5 Replies
- 955 Views
- Last post by Leren
Fri Sep 27, 2024 10:53 pm
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- X-Quintuple
by m_b_metcalf » Sun Jun 30, 2024 5:40 pm
- 2 Replies
- 907 Views
- Last post by Hajime
Fri Jul 05, 2024 7:56 am
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- X-SamuraiPlus
by Hajime » Fri Apr 28, 2023 10:45 am
- 26 Replies
- 3345 Views
- Last post by m_b_metcalf
Tue Jun 04, 2024 1:33 pm
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- Killer Primes
by StrmCkr » Sun Apr 28, 2024 5:37 am
- 3 Replies
- 1094 Views
- Last post by StrmCkr
Mon May 27, 2024 9:30 pm
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- 16x16, very hard/very easy
by m_b_metcalf » Thu Apr 04, 2024 7:54 pm
- 9 Replies
- 1324 Views
- Last post by denis_berthier
Mon Apr 22, 2024 5:03 am
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- Rain V SS + 13
by HATMAN » Wed Apr 10, 2024 5:56 pm
- 0 Replies
- 845 Views
- Last post by HATMAN
Wed Apr 10, 2024 5:56 pm
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- Is It Possible To Put Sudoku On Rubik Cube Like This?
by Albania » Wed Mar 13, 2024 4:39 pm
- 18 Replies
- 2744 Views
- Last post by Hajime
Fri Mar 22, 2024 10:56 am
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- Stuck on a puzzle
by Fortesque92 » Mon Mar 18, 2024 2:54 am
- 4 Replies
- 1094 Views
- Last post by creint
Wed Mar 20, 2024 10:43 pm
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- Rainbow Killers 12 Onwards
by HATMAN » Sat Mar 09, 2024 11:00 am
- 1 Replies
- 890 Views
- Last post by HATMAN
Sat Mar 09, 2024 11:06 am
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- A new approach for generating jigsaws
by urhegyi » Sun Mar 03, 2024 9:31 am
- 2 Replies
- 955 Views
- Last post by Hajime
Fri Mar 08, 2024 6:16 pm
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- X curiosity
by m_b_metcalf » Tue Feb 27, 2024 11:54 am
- 4 Replies
- 1052 Views
- Last post by HATMAN
Thu Mar 07, 2024 7:51 am
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- too hard this variant?
by urhegyi » Mon Feb 26, 2024 9:59 am
- 4 Replies
- 1037 Views
- Last post by Hajime
Fri Mar 01, 2024 3:09 pm
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- Valentine 2019
by Hajime » Mon Feb 11, 2019 11:50 am
- 5 Replies
- 1942 Views
- Last post by Hajime
Wed Feb 14, 2024 6:38 pm
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- SuLingo Rain V SS X W 18
by HATMAN » Mon Feb 12, 2024 8:38 am
- 0 Replies
- 920 Views
- Last post by HATMAN
Mon Feb 12, 2024 8:38 am
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- Rainbow Killer 8 and KiMo 8
by HATMAN » Mon Jan 08, 2024 8:53 am
- 2 Replies
- 1045 Views
- Last post by HATMAN
Mon Feb 12, 2024 7:53 am
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- KiMo X W 24-1
by HATMAN » Fri Jan 12, 2024 3:23 pm
- 2 Replies
- 890 Views
- Last post by HATMAN
Wed Jan 17, 2024 9:06 am
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- wordzuka by Evan Whitney
by urhegyi » Tue Dec 19, 2023 9:27 pm
- 8 Replies
- 1150 Views
- Last post by Leren
Thu Dec 21, 2023 7:37 pm
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- Rainbow Vanilla SS 11
by HATMAN » Fri Dec 15, 2023 11:14 am
- 0 Replies
- 761 Views
- Last post by HATMAN
Fri Dec 15, 2023 11:14 am
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- A little puzzle (X-sudoku)
by m_b_metcalf » Fri Dec 08, 2023 7:31 pm
- 2 Replies
- 919 Views
- Last post by m_b_metcalf
Sat Dec 09, 2023 9:20 am
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- Rainbow Killer 7 PS
by HATMAN » Fri Dec 01, 2023 2:32 pm
- 0 Replies
- 788 Views
- Last post by HATMAN
Fri Dec 01, 2023 2:32 pm
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- Square Wisdom 23-01
by HATMAN » Thu Nov 30, 2023 8:58 am
- 0 Replies
- 811 Views
- Last post by HATMAN
Thu Nov 30, 2023 8:58 am
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