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!
| Description | solved | Rating | |
|---|---|---|---|
 | Countdown to Lights Out (Nebelsudoku) by glum_hippo (on 18. June 2025, 15:06) | 86 |  91 % |
| Symmetry Exquisite Trouble by Br1312te (on 18. June 2025, 14:08) | 29 |  97 % |
| 6x6 Irregular Killer 1 by RailMan (on 18. June 2025, 13:00) | 376 |  90 % |
| The 9th Symbol by NAIF (on 18. June 2025, 08:58) | 21 | 86 % |
| Dutch Flat Mates: Y-Sums by Crusader175 (on 18. June 2025, 08:36) | 50 | 93 % |
| Positive Diagonals by lcy.30 (on 18. June 2025, 08:32) | 59 | 88 % |
| literally everywhere, like, omg by aqjhs (on 18. June 2025, 07:34) | 34 | 86 % |
| San Francisco Summer by juggler (on 18. June 2025, 06:00) | 267 | 97 % |
| Wondrous creepers by NicoD (on 18. June 2025, 05:30) | 65 | 93 % |
| World Literature by NotSoMagnifique (on 18. June 2025, 01:10) | 61 | 90 % |
| Pick-up Sticks (Red) by marty_sears (on 18. June 2025, 00:49) | 166 |  93 % |
| Crack the Walnut by Taeqle (on 17. June 2025, 23:12) | 317 | 92 % |
| Hidden Meta Tic-tac-toe by asimov.io (on 17. June 2025, 22:31) | 4 |  N/A |
| Butterfly by Twan2797 (on 17. June 2025, 21:27) | 144 | 87 % |
| Irregular Odd or Even Thermometers by Md88keys (on 17. June 2025, 20:15) | 243 | 94 % |
| A disconcerting number of legs by Ungesundheit (on 17. June 2025, 19:50) | 86 | 91 % |
| Dutch King and German Knight by NAIF (on 17. June 2025, 12:23) | 20 | 88 % |
| Clueless Phistomefel Ring by AlfSmith (on 17. June 2025, 09:56) | 151 | 89 % |
| Trails by fuxia (on 17. June 2025, 08:45) | 45 | 91 % |
| Sapid vivid orchid by NicoD (on 17. June 2025, 05:30) | 61 | 87 % |
