CTCThe Book Wyrm
The Book Wyrm has 3 puzzles in the Variant Sudoku catalog, most often with Diagonal, Renban and Japanische Summen. 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 here32 are 9×9
First puzzle2024A Duel at Christmas
Latest puzzleSept 2025Diagonality
Logic Masters solves42Average rating 100% · 1 on CTC
On Variant Sudoku
Favourite rules
Puzzles by The Book Wyrm
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
CTC
LM20×18Japanese Japanese Sums Sums #2
LMA Duel at Christmas
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