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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
unsolvedDisjointed
by isajo4002 (on 22. March 2025, 03:55)
881
77 %
unsolvedAnti-Quads 5
by The Bard (on 22. March 2025, 01:44)
3532
97 %
unsolvedHigh - Low 3
by The Bard (on 21. March 2025, 23:42)
862
98 %
unsolvedWhat Number am I thinking of? (NOT 5)
by Br1312te (on 21. March 2025, 16:29)
752
88 %
unsolvedMobile Sandwiches
by juddimal (on 21. March 2025, 16:19)
73
N/A
unsolvedHit Count
by marty_sears (on 21. March 2025, 16:19)
2733
95 %
unsolvedShifter Lines 118: Hot Arrows
by gUBBLOR (on 21. March 2025, 14:35)
542
92 %
unsolvedKeeping it between us
by Fenners (on 21. March 2025, 14:17)
753
96 %
unsolvedLaminar flow
by Sartor (on 21. March 2025, 12:55)
463
89 %
unsolvedPeristaltikmaschine (Chaos Construction)
by glum_hippo (on 21. March 2025, 12:32)
735
98 %
unsolvedSudoku Variants Series (416) - Product Killer
by Richard (on 21. March 2025, 12:00)
1092
92 %
unsolvedX---V*2
by NurglesGift (on 21. March 2025, 08:00)
1204
95 %
unsolvedBoogie
by Andrewsarchus (on 21. March 2025, 05:18)
435
92 %
unsolvedHerpetology
by NicoD (on 21. March 2025, 04:20)
73
N/A
unsolvedWaltzing Matilda
by Mr Toffee (on 21. March 2025, 02:16)
662
83 %
unsolvedRetention
by MSDOS (on 21. March 2025, 01:00)
622
95 %
unsolvedDoodles
by FullDeck-Missing (on 21. March 2025, 00:14)
923
95 %
unsolvedHot Core [odd/even thermometers]
by PhysicistFromFunen (on 20. March 2025, 20:24)
273
94 %
unsolved6 Warm Knights
by Plok (on 20. March 2025, 20:14)
3251
87 %
unsolvedShuri-tentropy
by ChinStrap (on 20. March 2025, 18:23)
563
93 %
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