Logic Masters Deutschland e.V.

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
unsolvedCupid's Joke
by juggler (on 5. March 2026, 08:25)
412
94 %
unsolved10X+Y
by Kaktuslav (on 5. March 2026, 08:00)
1971
93 %
unsolvedHoodlum
by NicoD (on 5. March 2026, 05:30)
863
96 %
unsolvedJuggler in the Fog
by fogpictures (on 5. March 2026, 03:06)
2781
93 %
unsolvedTropism
by SingingFish (on 4. March 2026, 23:35)
1612
95 %
unsolvedRotationally Symmetric Constraints No. 2
by RailMan (on 4. March 2026, 21:11)
173
N/A
unsolvedEntropic × Modular Lines
by Kutsumi Hane (on 4. March 2026, 20:40)
272
90 %
unsolvedA Box of Thermometers
by Leaving Leaves (on 4. March 2026, 18:26)
294
90 %
unsolvedThe Difference Between Us
by balpha (on 4. March 2026, 16:07)
63
N/A
unsolvedContainment Breach
by Blobz (on 4. March 2026, 16:00)
1582
94 %
unsolvedFish and Chips (Killer sudoku)
by sujoyku (on 4. March 2026, 15:54)
2162
96 %
unsolvedDistinct Arrangements (Quad Sums)
by Crusader175 (on 4. March 2026, 10:00)
1201
96 %
unsolvedDutch Flat Mates: Assorted Sandwiches
by Flinty (on 4. March 2026, 07:00)
713
95 %
unsolvedDutch Quali 26 appetizer - Sudoku Sandwiched N-Sums
by Richard (on 4. March 2026, 06:00)
632
94 %
unsolvedEasy Peasy Sudoku Leftover (05) - Thermometers - Removed bulbs
by Richard (on 4. March 2026, 06:00)
652
94 %
unsolvedmarshmallow confetti
by Awedish (on 4. March 2026, 05:24)
103
88 %
unsolvedNabnarrows
by juggler (on 4. March 2026, 04:37)
563
90 %
unsolvedRegion Sum Interactions
by pagedo (on 4. March 2026, 02:34)
1971
93 %
unsolvedRAT RUN 28: Hypothesis
by marty_sears (on 4. March 2026, 02:08)
5293
99 %
unsolvedSpace Invader
by slamwich (on 3. March 2026, 23:54)
242
91 %
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