CTCMichael Lefkowitz
Michael Lefkowitz has 11 puzzles in the Variant Sudoku catalog, most often with Count, Odd/Even and Sums. 11 were solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here115 are 9×9
First puzzle2025Kurtosis
Latest puzzleSept 2026Casino Royale
On Cracking the Cryptic11videos
On Variant Sudoku
Favourite rules
Puzzles by Michael Lefkowitz
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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CTC8×8
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CTC11×9
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CTC6×6
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CTC9×11Is this you? Claim this page: tell us where we can confirm it’s you, and we’ll link it to you. You can also send a correction or have your puzzles taken out of the catalog.Claim this pageEmail us