My first Quattroquadri. Thanks to MattDdraig for testing! All feedback is appreciated, and thanks for playing!
Quattroquadri: Place the digits 1-9 once each in every 3x3 box. Digits may not repeat in rows or columns
Kropki dots: Cells separated by a white circle contain consecutive digits. Cells separated by a black circle contain digits in a 2:1 ratio. Not all circles are provided.
Region Kropki Lines: Region borders divide grey lines into segments. Line segments separated by a white diamond have consecutive sums. Line segments separated by a black diamond have sums in a 2:1 ratio.
Click the puzzle to play!
Solution code: Row 5
on 30. January 2025, 04:00 by DubiousMobius
Aesthetic update
on 29. January 2025, 23:55 by MattYDdraig
Some very nice logic crammed in here.
on 29. January 2025, 17:48 by OutOfMyMindBRB
Nice puzzle :-)
| Difficulty: |  | 
| Rating: | N/A | 
| Solved: | 8 times | 
| Observed: | 1 times | 
| ID: | 000LSY | 
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