CTCLeo
Leo has one puzzle in the Variant Sudoku catalog, most often with Slingshot. 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 puzzle2026Echo of an Arrow
Latest puzzleApr 2026Echo of an Arrow
On Cracking the Cryptic1video
On Variant Sudoku
Favourite rules
Puzzles by Leo
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
CTCIs 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