NicoD
NicoD has 9 puzzles in the Variant Sudoku catalog, most often with Killer, Region Sum Lines and Arrow. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here98 are 9×9
First puzzle2025Gavel
Latest puzzleOct 2026Caesium
Logic Masters solves1,836Average rating 96%
On Variant Sudoku
Favourite rules
Puzzles by NicoD
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
Gumption
Nemesis
Auspicious
Green rectangularity
Convicted blue droplets
SET 104: palindromes, thermos and cages
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