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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
unsolvedPointy Arithmetic
by ralphwaldo1 (on 7. February 2026, 20:00)
353
86 %
unsolvedSong and Dance
by MathGuy_12 (on 7. February 2026, 19:52)
153
93 %
unsolvedFatal Attraction
by juggler (on 7. February 2026, 18:28)
1042
94 %
unsolved3 Vs: Vin Vino Veritas
by gadgetgreen (on 7. February 2026, 18:00)
753
93 %
unsolvedSleet and Snow
by Blobz (on 7. February 2026, 16:00)
2011
92 %
unsolvedHey Siri, is this a Good Puzzle?
by 99%Sneaky (on 7. February 2026, 15:16)
2041
92 %
unsolvedEXclusiVe 2
by NurglesGift (on 7. February 2026, 11:40)
1373
96 %
unsolvedA Walk Across Nine Hearts
by Rab3aron (on 7. February 2026, 11:07)
184
89 %
unsolvedRegion Thermo 1
by RedBarchetta (on 7. February 2026, 10:45)
1941
95 %
unsolvedKropki Slingshots
by rhyrhy (on 7. February 2026, 10:19)
352
86 %
unsolvedParity Fun 15
by galium_odoratum (on 7. February 2026, 10:00)
333
88 %
unsolvedContingency on the Cross
by egubachu (on 7. February 2026, 08:40)
84
N/A
unsolvedThe "No-9 Line"
by Timpanist (on 7. February 2026, 08:23)
554
97 %
unsolvedForcing
by Kaktuslav (on 7. February 2026, 08:00)
2502
95 %
unsolvedBalanced Ouroboros
by plasmath (on 7. February 2026, 06:30)
83
N/A
unsolvedSculpted by Sight
by Aidan488 (on 7. February 2026, 06:02)
265
89 %
unsolvedBroken chain, missing links
by NicoD (on 7. February 2026, 05:30)
494
91 %
unsolvedDia De La Madre
by Calvinball (on 7. February 2026, 05:14)
302
95 %
unsolvedLet me count the ways
by Andrewsarchus (on 7. February 2026, 02:42)
183
97 %
unsolvedCopycat Killers
by Cellscape (on 7. February 2026, 00:56)
443
93 %
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