CTCNiks
Niks has one puzzle in the Variant Sudoku catalog, most often with Entropic Lines, Fog of War and Kropki. One was solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here1All 9×9
First puzzle2026Entropic Toast
Latest puzzleApr 2026Entropic Toast
On Cracking the Cryptic1video
On Variant Sudoku
Favourite rules
Puzzles by Niks
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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