1. Base
Normal Sudoku rules apply.
2. Kropki Dots
Cells joined by a white dot contain consecutive digits.
Cells joined by a black dot contain digits where one is double the other.
Not all white and black dots are necessarily given.
More Kropki Sudoku puzzles
This puzzle appears as puzzle #58 in my book
128 Handcrafted Kropki Sudoku.
If you enjoyed solving it, you'll find
127 more handcrafted Kropki puzzles
in the full volume, ranging from
beginner-friendly introductions to
expert-level challenges.
Solution code: Digits in row 3 (left to right).
on 27. September 2026, 05:00 by macintux
Break-in seems a little subtle for a 1 star, but maybe I picked a harder path. And also I’m not very good.
Enjoyed it, thanks.
on 23. September 2026, 20:48 by thomamas
This is a lovely puzzle. One star is a more appropriate difficulty, thanks.
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