German Whispers: digits on each green line have a difference of at least 5 to their neighbors.
Kropki: black dots link cells which have a ratio of 1:2. White dots link cells which are consecutive. Not all possible dots are given.
Sudokupad: Link to Sudokupad
F-Puzzles-Link: F-Puzzles link
PS: If you like this puzzle, please also have a look at my other Sudokus with the same ruleset:
Solution code: the bottom row from left to right
on 8. May 2026, 10:08 by NeeBats
Just difficult enough for a quick and fun puzzle. Thank you.
on 31. March 2026, 21:08 by SanFranSam
Toto, there's no place like home.
on 30. March 2026, 21:01 by drolli38
Apart from resembling the outline of Africa, it also looks like an elephant to me ;-)
| Difficulty: | ![]() |
| Rating: | 93 % |
| Solved: | 218 times |
| Observed: | 3 times |
| ID: | 000S3O |