Whisperban
Rules:
Normal Sudoku: Place the digits 1–9 so that each row, column, and 3×3 box contains each digit exactly once.
Diagonals: Digits along each blue diagonal must not repeat.
Renban: Digits along a purple line form a set of consecutive digits in any order.
German Whisper: Adjacent digits along a green line have a difference of at least 5.
Greater Than: The greater than symbol points towards the smaller number.
Happy solving!
Solution code: Enter Row 7 from left to right.
on 25. February 2026, 12:40 by botteur
That was brilliant! I loved uncovering all the interactions
on 25. February 2026, 01:40 by Exigus
Great fun colouring, thanks!
on 24. February 2026, 20:38 by packt
absolutely loved this puzzle! thank you for making my first 3 star solve so enjoyable)
on 24. February 2026, 16:21 by wuc
Brilliant coloring puzzle. I love these thx.
on 24. February 2026, 15:16 by snuuba
Very nice coloring book, many thanks