CTCWalter Grönholm
Walter Grönholm has 2 puzzles in the Variant Sudoku catalog, most often with Arrow and Kropki. 2 were solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here2All 9×9
First puzzle2026December Colors
Latest puzzleMar 2026Frog Print
On Cracking the Cryptic2videos
On Variant Sudoku
Favourite rules
Puzzles by Walter Grönholm
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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