Rules:
Normal Sudoku rules apply.
Blue lines – Region Sum Lines:
Region Sum Lines are divided by box borders. Each section of a line must have the same sum.
Green lines – German Whispers:
Digits in two cells connected by a German Whisper line must differ by at least 5.
Purple lines – Renban Lines:
Each Renban line contains a set of consecutive digits in any order, with no repeats.
Circles:
Every digit shown in a circle must be assigned to one of the cells surrounding that circle.
Play online:
Play Funny Penguins on SudokuPad
Solution code: Enter Row 1 followed by Row 9, reading both from left to right.
on 16. September 2026, 23:13 by Babsi132
Still no 5 on the leg
on 10. September 2026, 00:56 by Ruddy_Duck
fixed link to include renban
on 9. September 2026, 07:40 by StormClimber
SudokuPad does not have Renban line or the 5 circle.
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.