Kutsumi Hane
Kutsumi Hane has 3 puzzles in the Variant Sudoku catalog, most often with Odd/Even and Fog of War. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here3All 9×9
First puzzle2026Gomoku Sudoku
Latest puzzleSept 2026Difference and Ratio (Sequence Line)
Logic Masters solves16
On Variant Sudoku
Favourite rules
Puzzles by Kutsumi Hane
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
Obsidian & Pearl (CountingCircles/Odd/Anti-V)
Gomoku Sudoku
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