Variant Sudoku

Christounet

Christounet has 15 puzzles in the Variant Sudoku catalog, most often with Irregular, Arrow and Japanische Summen. 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 here154 are 9×9
First puzzle2023Count me out ! [Deconstruction]
Latest puzzleJan 2026Liar X-Sums Chaos Construction
Logic Masters solves594Average rating 99% · 1 on CTC

Favourite rules

Puzzles by Christounet

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

Nagaraja [Japanese Sums Cipher Snake Deconstruction] gridLM17×15

Nagaraja [Japanese Sums Cipher Snake Deconstruction]

Very hard42 solves
Japanische SummenIrregularSchlange
Always on the loockout ! [Lockout Lines Deconstruction] gridLM11×10

Always on the loockout ! [Lockout Lines Deconstruction]

Hard49 solves
Lockout LinesIrregularThermoGerman Whispers
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