LM4×4Die Hard
Die Hard has 4 puzzles in the Variant Sudoku catalog, most often with Renban, Irregular and Thermo. 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 here41 are 4×4
First puzzle2023Two Thermo Snack
Latest puzzleSept 2026Renban Chaos 4x4
Logic Masters solves520Average rating 91%. Also 1 on CTC
On Variant Sudoku
Favourite rules
Puzzles by Die Hard
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM4×4
CTC
LM11×11
LM6×6Two Thermo Snack
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