CTCValdronius
Valdronius has one puzzle in the Variant Sudoku catalog, most often with Adjacency and Math Operators. 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 puzzle2026Simple Arithmetic
Latest puzzleMay 2026Simple Arithmetic
On Cracking the Cryptic1video
On Variant Sudoku
Favourite rules
Puzzles by Valdronius
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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