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Sudoku and variants

The portal contains almost all kinds of Sudoku variants: standard, killer and jigsaw, for example, but there is no limit to the creativity of the puzzle authors here. What about trying a 3D-Sudoku, Spiral Sudoku, or even a Sudoku Rallye (which contains other puzzle types, too). Enjoy browsing!

DescriptionsolvedRating
unsolvedCounterpart
by MSDOS (on 19. March 2025, 22:50)
1911
96 %
unsolvedThe Sign of the Four
by Unterstadt96 (on 19. March 2025, 22:21)
1071
89 %
unsolvedAnti-Chess Boxing
by EnPee (on 19. March 2025, 22:08)
613
88 %
unsolvedFan Ten
by EPH (on 19. March 2025, 19:02)
742
97 %
unsolvedExcluded
by Niverio (on 19. March 2025, 18:30)
1324
96 %
unsolvedIrish Whispers
by JKBongos (on 19. March 2025, 17:37)
3781
79 %
unsolvedHere We Meet Again (Killer Sudoku)
by sujoyku (on 19. March 2025, 16:39)
1702
96 %
unsolvedFire Ant
by mellowrobinson (on 19. March 2025, 16:25)
2591
94 %
unsolvedMobile X-Sums
by juddimal (on 19. March 2025, 16:02)
123
N/A
unsolvedKangaroo
by Mr Toffee (on 19. March 2025, 14:36)
503
78 %
unsolvedDelen Is Zorgzaam (Equal Split Lines)
by gdc (on 19. March 2025, 13:07)
862
94 %
unsolved9 Cages
by Azure (on 19. March 2025, 12:07)
811
82 %
unsolvedArrows A-shrunken
by graggle (on 19. March 2025, 12:00)
551
88 %
unsolvedDutch Flat Mates (Product Ltd + Skyscrapers)
by Crusader175 (on 19. March 2025, 11:30)
444
96 %
unsolvedPunctilious haze
by NicoD (on 19. March 2025, 04:16)
2461
90 %
unsolvedSmallest Chaotic Killer
by Belamis (on 18. March 2025, 19:13)
3323
97 %
unsolvedSotto Voce
by etoler (on 18. March 2025, 16:25)
873
91 %
unsolvedTenacity II
by ChinStrap (on 18. March 2025, 15:09)
1022
97 %
unsolvedAnnie (Hitlines)
by Ratfinkz (on 18. March 2025, 14:39)
563
98 %
unsolvedA Square Arrow Ring
by meggen033 (on 18. March 2025, 14:03)
2942
95 %
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