Normal sudoku rules apply.
German whisper: Adjecent digits on a green line differ by at least 5
Dutch whisper: Adjecent digits on an orange line differ by at least 4
X: Two cells connected by an X sum to 10
Thermometer: Digits on a thermometer must increase starting from the bulb end
Solution code: Row 9 left to right
on 19. July 2026, 19:14 by Snookerfan
Fun coloring puzzle, thanks!
on 19. July 2026, 17:45 by macintux
Took me an hour, but well worth it, thanks.
on 19. July 2026, 13:38 by rojspencer
Very nice! Really enjoyed the puzzle.