Diagonals: Digits may not repeat on the indicated diagonals.
Arrows: The sum of digits along an arrow equals the digit in the attached circle.
XV: Cells separated with a V must sum to 5. Cells separated with an X must sum to 10.
Kropki Dots: Digits separated by a white dot are consecutive. Digits separated by a black dot are in a 1:2 ratio.
Thermometers: Along a thermometer, digits must increase from the bulb end.
Little Killer: Digits along an indicated diagonal must sum to the given total.
Solution code: Row 6
on 18. January 2026, 08:00 by Ganbatte
Fun puzzle, thank you!
on 16. January 2026, 13:36 by superkinkel
Nice, very accessible puzzle that can serve as a great introduction on the interactions of constraints.