CTCBlack_Doom
Black_Doom has one puzzle in the Variant Sudoku catalog, most often with Ratio, Skyscraper and Yin-Yang. One was solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here1All 9×9
First puzzle2025Shanghai Skyline
Latest puzzleOct 2025Shanghai Skyline
On Cracking the Cryptic1video
On Variant Sudoku
Favourite rules
Puzzles by Black_Doom
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
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