Sudoku variants
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- Black Hole (a 32x32 compound of 16x16 X-sudokus)
1, 2
by m_b_metcalf » Tue Apr 16, 2019 8:05 am
- 29 Replies
- 3631 Views
- Last post by m_b_metcalf
Wed Nov 20, 2024 6:42 pm
- Black Hole (a 32x32 compound of 16x16 X-sudokus)
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- X-sudoku for dogged human solvers
1, 2, 3by m_b_metcalf » Mon Oct 03, 2022 5:21 pm - 31 Replies
- 1340 Views
- Last post by m_b_metcalf
Wed Nov 20, 2024 7:57 am
- X-sudoku for dogged human solvers
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- 13-clue Sudoku X
1, 2, 3, 4by gfroyle » Sat Dec 31, 2005 11:11 am - 49 Replies
- 31300 Views
- Last post by m_b_metcalf
Tue Nov 12, 2024 11:10 am
- 13-clue Sudoku X
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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
- 725 Views
- Last post by dyguests
Fri Oct 25, 2024 8:41 am
- [Exact Cover]killer sudoku cage without sum,How to convert ?
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- giant sudokus
1 ... 5, 6, 7by philvo » Fri Jan 21, 2022 8:25 am - 104 Replies
- 6056 Views
- Last post by denis_berthier
Wed Oct 09, 2024 9:03 am
- giant sudokus
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- Symmetric 12-clue x-sudokus
by m_b_metcalf » Fri Aug 30, 2024 3:59 pm - 5 Replies
- 247 Views
- Last post by Leren
Fri Sep 27, 2024 10:53 pm
- Symmetric 12-clue x-sudokus
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- Other Rainbow Puzzles
by HATMAN » Sat Mar 23, 2024 11:41 pm - 1 Replies
- 277 Views
- Last post by HATMAN
Wed Jul 31, 2024 7:40 pm
- Other Rainbow Puzzles
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- X-Quintuple
by m_b_metcalf » Sun Jun 30, 2024 5:40 pm - 2 Replies
- 198 Views
- Last post by Hajime
Fri Jul 05, 2024 7:56 am
- X-Quintuple
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- X-SamuraiPlus
1, 2 by Hajime » Fri Apr 28, 2023 10:45 am
- 26 Replies
- 1287 Views
- Last post by m_b_metcalf
Tue Jun 04, 2024 1:33 pm
- X-SamuraiPlus
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- Killer Primes
by StrmCkr » Sun Apr 28, 2024 5:37 am - 3 Replies
- 324 Views
- Last post by StrmCkr
Mon May 27, 2024 9:30 pm
- Killer Primes
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- 16x16, very hard/very easy
by m_b_metcalf » Thu Apr 04, 2024 7:54 pm
- 9 Replies
- 446 Views
- Last post by denis_berthier
Mon Apr 22, 2024 5:03 am
- 16x16, very hard/very easy
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- Rain V SS + 13
by HATMAN » Wed Apr 10, 2024 5:56 pm - 0 Replies
- 172 Views
- Last post by HATMAN
Wed Apr 10, 2024 5:56 pm
- Rain V SS + 13
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- Is It Possible To Put Sudoku On Rubik Cube Like This?
1, 2by Albania » Wed Mar 13, 2024 4:39 pm - 18 Replies
- 796 Views
- Last post by Hajime
Fri Mar 22, 2024 10:56 am
- Is It Possible To Put Sudoku On Rubik Cube Like This?
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- Stuck on a puzzle
by Fortesque92 » Mon Mar 18, 2024 2:54 am - 4 Replies
- 295 Views
- Last post by creint
Wed Mar 20, 2024 10:43 pm
- Stuck on a puzzle
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- Rainbow Killers 12 Onwards
by HATMAN » Sat Mar 09, 2024 11:00 am - 1 Replies
- 196 Views
- Last post by HATMAN
Sat Mar 09, 2024 11:06 am
- Rainbow Killers 12 Onwards
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- A new approach for generating jigsaws
by urhegyi » Sun Mar 03, 2024 9:31 am - 2 Replies
- 261 Views
- Last post by Hajime
Fri Mar 08, 2024 6:16 pm
- A new approach for generating jigsaws
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- X curiosity
by m_b_metcalf » Tue Feb 27, 2024 11:54 am - 4 Replies
- 277 Views
- Last post by HATMAN
Thu Mar 07, 2024 7:51 am
- X curiosity
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- too hard this variant?
by urhegyi » Mon Feb 26, 2024 9:59 am - 4 Replies
- 291 Views
- Last post by Hajime
Fri Mar 01, 2024 3:09 pm
- too hard this variant?
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- Valentine 2019
by Hajime » Mon Feb 11, 2019 11:50 am - 5 Replies
- 1207 Views
- Last post by Hajime
Wed Feb 14, 2024 6:38 pm
- Valentine 2019
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- SuLingo Rain V SS X W 18
by HATMAN » Mon Feb 12, 2024 8:38 am - 0 Replies
- 215 Views
- Last post by HATMAN
Mon Feb 12, 2024 8:38 am
- SuLingo Rain V SS X W 18
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- Rainbow Killer 8 and KiMo 8
by HATMAN » Mon Jan 08, 2024 8:53 am - 2 Replies
- 293 Views
- Last post by HATMAN
Mon Feb 12, 2024 7:53 am
- Rainbow Killer 8 and KiMo 8
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- KiMo X W 24-1
by HATMAN » Fri Jan 12, 2024 3:23 pm - 2 Replies
- 263 Views
- Last post by HATMAN
Wed Jan 17, 2024 9:06 am
- KiMo X W 24-1
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- wordzuka by Evan Whitney
by urhegyi » Tue Dec 19, 2023 9:27 pm - 8 Replies
- 438 Views
- Last post by Leren
Thu Dec 21, 2023 7:37 pm
- wordzuka by Evan Whitney
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- Rainbow Vanilla SS 11
by HATMAN » Fri Dec 15, 2023 11:14 am - 0 Replies
- 205 Views
- Last post by HATMAN
Fri Dec 15, 2023 11:14 am
- Rainbow Vanilla SS 11
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- SudokuX (Diagonal Sudoku)
1 ... 4, 5, 6by Mathimagics » Fri Aug 03, 2018 6:17 pm - 78 Replies
- 11872 Views
- Last post by Leren
Sun Dec 10, 2023 4:38 am
- SudokuX (Diagonal Sudoku)
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- A little puzzle (X-sudoku)
by m_b_metcalf » Fri Dec 08, 2023 7:31 pm - 2 Replies
- 291 Views
- Last post by m_b_metcalf
Sat Dec 09, 2023 9:20 am
- A little puzzle (X-sudoku)
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- Rainbow Killer 7 PS
by HATMAN » Fri Dec 01, 2023 2:32 pm - 0 Replies
- 233 Views
- Last post by HATMAN
Fri Dec 01, 2023 2:32 pm
- Rainbow Killer 7 PS
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- Square Wisdom 23-01
by HATMAN » Thu Nov 30, 2023 8:58 am - 0 Replies
- 234 Views
- Last post by HATMAN
Thu Nov 30, 2023 8:58 am
- Square Wisdom 23-01
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- Rainbow Killer 6
by HATMAN » Sun Nov 19, 2023 8:12 am - 0 Replies
- 214 Views
- Last post by HATMAN
Sun Nov 19, 2023 8:12 am
- Rainbow Killer 6
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- 8x8 grid (No region restrictions) with Knights move variant.
by lonogod » Sun Nov 05, 2023 11:32 pm - 5 Replies
- 382 Views
- Last post by lonogod
Wed Nov 15, 2023 11:50 am
- 8x8 grid (No region restrictions) with Knights move variant.
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- Halloween Sudoku
by urhegyi » Fri Oct 16, 2020 5:59 pm
- 10 Replies
- 1142 Views
- Last post by Hajime
Mon Oct 23, 2023 12:35 pm
- Halloween Sudoku
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- Rainbow Killer 5
by HATMAN » Wed Oct 18, 2023 5:15 am - 0 Replies
- 248 Views
- Last post by HATMAN
Wed Oct 18, 2023 5:15 am
- Rainbow Killer 5
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- self designed jigsaw sudoku
by urhegyi » Wed Oct 11, 2023 10:48 pm - 1 Replies
- 313 Views
- Last post by Hajime
Thu Oct 12, 2023 7:51 am
- self designed jigsaw sudoku
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- 16x16 windoku
by urhegyi » Sun Nov 28, 2021 4:58 am - 4 Replies
- 860 Views
- Last post by Hajime
Sat Oct 07, 2023 7:35 am
- 16x16 windoku
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- Rainbow Killer 4
by HATMAN » Tue Sep 26, 2023 11:42 am - 4 Replies
- 363 Views
- Last post by HATMAN
Wed Oct 04, 2023 7:16 am
- Rainbow Killer 4
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- Ambiguous Knapp-Daneben Sudoku
by jovi_al » Sun Aug 27, 2023 7:08 pm - 1 Replies
- 327 Views
- Last post by urhegyi
Mon Sep 25, 2023 7:33 pm
- Ambiguous Knapp-Daneben Sudoku
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- Cannot figure this out...
by groston » Mon Jan 16, 2023 8:35 pm - 7 Replies
- 650 Views
- Last post by Hajime
Mon Sep 25, 2023 5:08 pm
- Cannot figure this out...
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- Ninja(without anti-knight)
by urhegyi » Mon Sep 25, 2023 10:17 am - 3 Replies
- 338 Views
- Last post by urhegyi
Mon Sep 25, 2023 1:27 pm
- Ninja(without anti-knight)
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- Ninja - Anti Knight
by Hajime » Thu Sep 21, 2023 3:17 pm - 2 Replies
- 298 Views
- Last post by Hajime
Fri Sep 22, 2023 10:28 am
- Ninja - Anti Knight
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