LMThe Pi Guy
The Pi Guy has 6 puzzles in the Variant Sudoku catalog, most often with Renban, Japanese Sums and Odd/Even. 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 here6All 9×9
First puzzle2026The Mystery of the Three Chameleons
Latest puzzleOct 2026Not Mushroom For Error
Logic Masters solves83Average rating 92%. Also 2 on CTC
On Variant Sudoku
Favourite rules
Puzzles by The Pi Guy
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM
LMAn Odd Combination
LMThe Greatest Sum
LMZonal Marking (Duo)
CTC
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