Thermometer: digits increase, starting from the bulb.
Renban: digits on each purple line form a group of consecutive digits in any order.
Kropki: digits separated by a black dot have a ratio of 1:2. Digits separated by a white dot are consecutive. Not all possible dots are given.
Sudokupad: Link to Sudokupad
F-Puzzles: Link to F-Puzzles
PS: If you like this puzzle, please also have a look at my other Sudokus with month names:
Solution code: the left column from top to bottom
on 2. February 2026, 14:08 by Ragna
Fun puzzle! Not soo easy. Thank you. :-))
on 1. February 2026, 02:09 by drolli38
for me it was a 3-star difficulty, but I enjoyed every single step, thanks a lot for setting!
| Difficulty: | ![]() |
| Rating: | 93 % |
| Solved: | 88 times |
| Observed: | 0 times |
| ID: | 000R8O |