LMMd88keys
Md88keys has 9 puzzles in the Variant Sudoku catalog, most often with Kropki, Thermo and Renban. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here97 are 9×9
First puzzle2025Odd or Even Thermometers
Latest puzzleSept 2026Hi Spiral
Logic Masters solves2,655Average 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.
LM
LMUnlimited Kropki Dots
LMCentral Avenue
LMScarf Weather
LM6×6Irregular Visible Arrows Snack
LMReturn to Limitations
LM6×6Limitations 7
LMCaterpillar Thermometer
LMOdd or Even Thermometers
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