Vol.1 Thermometer #20
(Published on 29. October 2026, 17:30 by Adrian Klausen)
Rules
1. Base
Normal Sudoku rules apply.
2. Thermometers
Digits on a thermometer must strictly increase from the bulb to the tip.
More Thermometer Sudoku puzzles
This puzzle appears as puzzle #20 in my book
128 Handcrafted Thermometer Sudoku.
If you enjoyed solving it, you'll find
127 more handcrafted Thermometer puzzles
in the full volume, ranging from
beginner-friendly introductions to
expert-level challenges.
Discover the series
128 Handcrafted Sudoku Variants
is an ongoing series where each volume
explores a new Sudoku variant.
Every book gradually progresses from
easy 4×4 puzzles to expert 9×9 challenges,
making the series suitable for both
newcomers and experienced solvers.
Solution code: Digits in row 3 (left to right).
