Birthday Critters
(Published on 23. December 2025, 04:04 by NotSoMagnifique)
Another birthday present puzzle, this time for Aspartacgus! He got it around his actual birthday, but I finally had a chance to upload it now.
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Rules- Normal sudoku rules apply.
- German Whispers - neighboring digits on a green German Whisper line differ in value by at least 5.
- Dutch Whispers - neighboring digits on an orange Dutch Whisper line differ in value by at least 4.
- XV sums - digits separated by X sum to 10; digits separated by V sum to 5. No negative constraint.
- Ratio Kropki - digits separated by a black Kropki dot have a ratio of 2:1. No negative constraint.
Puzzle:
Solution code: Row 6 digits, left to right
Comments
on 12. February 2026, 21:43 by zimmicks
Over an hour - rated as Hard thx
on 23. January 2026, 08:46 by yenja
14:36 really nice, thank you
on 26. December 2025, 08:37 by michael_787
Obvious break-in, and smooth sailing from there. A very enjoyable puzzle for a holiday morning. Thanks for setting!
on 23. December 2025, 04:29 by macintux
Delightful, thank you!
