Variant Sudoku

Jay Dyer

Jay Dyer has 10 puzzles in the Variant Sudoku catalog, most often with Region Sum Lines, Irregular and Killer. 5 were solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.

Browse in ExploreLogic Masters profile
Puzzles here108 are 9×9
First puzzle2022Build Your Own Region Sums
Latest puzzleJan 2026Quality Street
Logic Masters solves1,221Average rating 99% · 5 on CTC

Favourite rules

Region Sum Lines4Irregular4Killer2Arrow2Diagonal1Japanische Summen1

Puzzles by Jay Dyer

Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.

Deconstruction: Region Sums gridLM11×11

Deconstruction: Region Sums

Very hard62 solves
Region Sum LinesIrregular
Play hereLogic Masters

In collections

Classics of the CTC channelBrutal: for when you've done everything
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