LMDr Logic
Dr Logic has 4 puzzles in the Variant Sudoku catalog, most often with Kropki, German Whispers and Renban. 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 here4All 9×9
First puzzle2023Killer Symmetry
Latest puzzleOct 2026Line Dancing
Logic Masters solves422Average rating 92%. Also 1 on CTC
On Variant Sudoku
Favourite rules
Puzzles by Dr Logic
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM
CTC
LMKiller Symmetry
LMIs 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