LM6×6Md88keys
Md88keys has 5 puzzles in the Variant Sudoku catalog, most often with Thermo, Kropki and Renban. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here53 are 9×9
First puzzle2025Odd or Even Thermometers
Latest puzzleNov 2025Irregular Visible Arrows Snack
Logic Masters solves2,345Average rating 93%
On Variant Sudoku
Favourite rules
Puzzles by Md88keys
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM6×6
LMReturn to Limitations
LM6×6Limitations 7
LMCaterpillar Thermometer
LMOdd or Even Thermometers
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