Nordic Slopes
(Published on 25. January 2026, 02:00 by NotSoMagnifique)
It wouldn't be me if I didn't have a global entropy puzzle in the pipeline!
Rules:
- Normal sudoku rules apply.
- Global Entropy - every 2 by 2 box of cells has at least one low digit (1,2,3), one medium digit (4,5,6), and one high digit (7,8,9).
- Indexing - on a blue index line, the digit in the Nth cell along the line (starting from the diamond) indicates the position along the line where the digit N appears. Eg: 3214 would be a valid line; the 1st digit, 3, indicates that the 3rd digit is a 1, and so on.
- Ratio Kropki - digits separated by a black Kropki dot have a ratio of 2:1. No negative constraint.
- X pairs - digits separated by X sum to 10. No negative constraint.
Puzzle:
Happy Solving !!!
Solution code: Row 9 digits left to right
Comments
on 29. January 2026, 19:36 by Ganbatte
I enjoyed this puzzle’s logic. Thank you!
on 25. January 2026, 23:42 by macintux
Approachable but long. Great puzzle.
on 25. January 2026, 14:40 by Firebird
Great puzzle, thank you!
on 25. January 2026, 13:37 by GeorgeTheToad2
Enjoyable and approachable.
on 25. January 2026, 10:06 by Wuschel
Very nice, thank you!
