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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
unsolvedFrames of Reference
by vitray (on 26. August 2026, 02:20)
652
91 %
unsolvedFeeding Friendsy
by marty_sears (on 26. August 2026, 01:30)
4982
98 %
unsolvedFiled Away
by Gnubeutel (on 25. August 2026, 22:43)
152
79 %
unsolvedSumbrig
by gwai77 (on 25. August 2026, 20:33)
85
N/A
unsolvedCenter focus
by DedaKosta (on 25. August 2026, 19:38)
585
74 %
unsolvedGreat Foggy Lines Somedoku
by blackjackfitz (on 25. August 2026, 18:36)
523
91 %
unsolvedSpeed Stripes
by ChinStrap (on 25. August 2026, 17:20)
443
94 %
unsolvedThree In One
by AlfSmith (on 25. August 2026, 15:48)
711
56 %
unsolvedPolydivisible Pandigital
by lgastako (on 25. August 2026, 14:40)
422
88 %
unsolvedZero Sum
by billybeth (on 25. August 2026, 13:19)
151
N/A
unsolvedFog of War #38
by Sudonym (on 25. August 2026, 12:29)
2671
89 %
unsolvedWhy why why?
by MissEdgie (on 25. August 2026, 10:05)
1561
87 %
unsolvedVariantDoku Daily Puzzle: August 25
by Brandy New (on 25. August 2026, 09:16)
931
85 %
unsolvedNumber 4
by Mr Toffee (on 25. August 2026, 08:51)
1201
87 %
unsolved14 Sequence Thermometers
by varepsilon (on 25. August 2026, 08:46)
801
94 %
unsolvedGoing With The Flow
by Skully571 (on 25. August 2026, 07:44)
1781
79 %
unsolvedHero Quest 1
by Ianifsudoku (on 25. August 2026, 04:08)
112
N/A
unsolvedHitpoint Arrows
by damo_89 (on 25. August 2026, 03:12)
1462
96 %
unsolvedRencirban
by gwai77 (on 24. August 2026, 20:49)
913
92 %
unsolvedThe Great Room
by ChinStrap (on 24. August 2026, 19:41)
404
93 %
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