LM4×4Riccardo
Riccardo has one puzzle in the Variant Sudoku catalog, most often with Kropki, Thermo and Fog of War. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here1All 4×4
First puzzle2025Light Snack #2
Latest puzzleSept 2025Light Snack #2
Logic Masters solves396Average rating 84%
On Variant Sudoku
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Puzzles by Riccardo
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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