CTCThe Pi Guy
The Pi Guy has 2 puzzles in the Variant Sudoku catalog, most often with Renban, Dutch Whispers and Equal Sums. 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 puzzle2026The Mystery of the Three Chameleons
Latest puzzleJul 2026Musically Keen
On Cracking the Cryptic2videos
On Variant Sudoku
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Puzzles by The Pi Guy
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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