CTCDC
DC has 2 puzzles in the Variant Sudoku catalog, most often with Kropki, Binairo and Killer. 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 puzzle2026My First Puzzle
Latest puzzleJun 2026Oddly Enough Even Dots Help
On Cracking the Cryptic2videos
On Variant Sudoku
Favourite rules
Puzzles by DC
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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