Variant Sudoku

Kaktuslav

Kaktuslav has 46 puzzles in the Variant Sudoku catalog, most often with Region Sum Lines, Irregular and Arrow. 35 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 here4636 are 9×9
First puzzle2025Blue Arrow
Latest puzzleSept 2026Portal
Logic Masters solves1,978Average rating 96%. Also 35 on CTC

Favourite rules

Region Sum Lines17Irregular9Arrow8Multitask Clues6Killer5Fog of War4

Puzzles by Kaktuslav

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

In collections

Brutal: for when you've done everything
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