Thermo Sudoku
Play Thermo Sudoku free online. Solve 30 hand-crafted thermo puzzles where digits rise along each thermometer. Beginner to Master tiers.
Source: GameZipper · Games hosted by GameZipper / PlayKovo
About this game
Play Thermo Sudoku free online. Solve 30 hand-crafted thermo puzzles where digits rise along each thermometer. Beginner to Master tiers.
How to play
What is Thermo Sudoku?
Thermo Sudoku is a Sudoku variant where one or more thermometer shapes appear on the grid. Along each thermometer, the digits must strictly increase from the bulb (circle end) to the tip, in addition to the normal Sudoku rules.
How do I play Thermo Sudoku?
Fill the grid so every row, column and box contains each digit exactly once. On each thermometer, digits must rise from the bulb upward. Tap a cell then tap a digit on the number pad to place it.
Is Thermo Sudoku free?
Yes. Thermo Sudoku on GameZipper is 100% free to play in your browser with 30 puzzles across Beginner to Master tiers. No download or sign-up required.
How many levels does Thermo Sudoku have?
There are 30 hand-crafted levels across six tiers: Beginner (4x4), Easy and Medium (6x6), and Hard, Expert and Master (9x9). Each puzzle has a unique solution verified by a solver.