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
unsolvedVariant Lesson: Region Sum Lines
by Deckatron (on 4. January 2026, 15:46)
562
89 %
unsolvedEntropic Coloring Book
by AParliamentofOwls (on 4. January 2026, 15:35)
1702
93 %
unsolvedBudowa (Chaos Construction, Kreska)
by Crusader175 (on 4. January 2026, 12:00)
1034
97 %
unsolvedSplit the Sums
by palpot (on 4. January 2026, 10:00)
345
98 %
unsolvedLowball Arrows
by NotVeryNeat (on 4. January 2026, 09:14)
932
98 %
unsolvedChange Your Perspective
by Will Power (on 4. January 2026, 08:15)
2301
93 %
unsolvedThree Cages
by RandyDan (on 4. January 2026, 08:12)
383
88 %
unsolvedSpooky Action at a Distance
by cygne (on 4. January 2026, 08:04)
355
96 %
unsolvedSkewers
by Kaktuslav (on 4. January 2026, 08:00)
1143
96 %
unsolvedUnyil
by Krisonium (on 4. January 2026, 07:57)
13
N/A
unsolvedEnvelope#1
by CarnacTheMagnificent (on 4. January 2026, 06:35)
2371
91 %
unsolvedNegative Entropy
by EnPee (on 4. January 2026, 01:44)
891
88 %
unsolvedParity Party 5
by galium_odoratum (on 3. January 2026, 23:21)
103
N/A
unsolvedCloudy Cages
by DarthSillious72 (on 3. January 2026, 23:10)
1572
93 %
unsolvedCramped Apartment
by Scojo (on 3. January 2026, 22:41)
492
94 %
unsolvedFour Easy Pieces
by Andrewsarchus (on 3. January 2026, 22:24)
444
92 %
unsolvedMystery Whispers
by FIT7Y (on 3. January 2026, 20:07)
113
N/A
unsolvedThere's a killer on the loose
by isajo4002 (on 3. January 2026, 19:58)
185
88 %
unsolvedHands in the air!
by Enchanter73 (on 3. January 2026, 19:17)
642
90 %
unsolvedTack'd Up
by morrisjb (on 3. January 2026, 17:47)
53
N/A
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