LMRuddy_Duck
Ruddy_Duck has 3 puzzles in the Variant Sudoku catalog, most often with German Whispers, Clone and Anti-Knight. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here3All 9×9
First puzzle2026Lucky Ducks
Latest puzzleSept 2026Funny Penguins
Logic Masters solves188Average rating 79%
On Variant Sudoku
Favourite rules
Puzzles by Ruddy_Duck
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM
LMDuck in a Row
LMFunny Penguins
Is this you? Claim this page: tell us where we can confirm it’s you, and we’ll link it to you. You can also send a correction or have your puzzles taken out of the catalog.Claim this pageEmail us