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 | |
|---|---|---|---|
 | Erica by SennyK (on 1. November 2025, 17:15) | 504 |  92 % |
| Under the Microscope (Infections, Cave) by gdc (on 1. November 2025, 16:05) | 182 |  98 % |
| Anti-Knight Renbans 2 by Blobz (on 1. November 2025, 16:00) | 257 |  96 % |
| Two for the Show (Duality) by riffclown (on 1. November 2025, 13:39) | 51 | 94 % |
| One More Before Bed by Zibl (on 1. November 2025, 10:19) | 31 |  92 % |
| Quantum Relay by masetab (on 1. November 2025, 08:59) | 61 | 90 % |
| Insulated Wire by cygne (on 1. November 2025, 08:56) | 41 | 92 % |
| Binary Bits by Klausku (on 1. November 2025, 08:05) | 33 | 93 % |
| The Fountain by Cyprane (on 1. November 2025, 07:49) | 46 | 82 % |
| RGB, or: Rotated Group of Boxes by crwn (on 1. November 2025, 07:43) | 13 |  N/A |
| NOVEMBER by DocLogic (on 1. November 2025, 01:11) | 183 | 93 % |
| 2 Corners by apete (on 1. November 2025, 00:30) | 17 | 92 % |
| Island Sum Lines by yttrio (on 1. November 2025, 00:22) | 176 | 98 % |
| JS-Bahn (Japanese Summation U-Bahn) by cyddrdrd (on 1. November 2025, 00:00) | 24 |  96 % |
| Changeling Confusion by Scojo (on 31. October 2025, 23:31) | 18 | 94 % |
| ???? by mbumbee (on 31. October 2025, 21:01) | 181 | 95 % |
| BitClock (new constraint) by Killer Joe (on 31. October 2025, 20:46) | 20 | 90 % |
| The Rocky Horror Sudoku Show by phil_the (on 31. October 2025, 19:23) | 12 |  N/A |
| One Killer Sudoku by meggen033 (on 31. October 2025, 18:47) | 525 | 93 % |
| Zebra Knights by rmulinix (on 31. October 2025, 18:34) | 194 | 97 % |
