

Thermo Sudoku
Studio Goya · 2020 · Indie, Casual, Strategy, Puzzle, Board Game
PC
Very Positive96% · 161
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About Thermo Sudoku
Presented by Cracking The Cryptic, YouTube’s most popular Sudoku channel, comes a new game featuring one of the most popular puzzle types: Thermo Sudoku.
How does Thermo Sudoku work? Well each sudoku grid contains thermometer shapes (often drawn to create themes) and digits on thermometers must increase as one moves further from the bulb end. The interactions between the thermometers leads to new logical ideas and patterns that completely refreshes the standard sudoku solving experience.
As with their other games (‘Classic Sudoku’, ‘Sandwich Sudoku’ and ‘Chess Sudoku’), Simon Anthony and Mark Goodliffe (the hosts of Cracking The Cryptic) have personally crafted the hints for the puzzles. So you know that every puzzle has been play-tested by a human being to ensure that the sudoku is interesting and fun to solve.
In Cracking The Cryptic’s games, players start with zero stars and earn stars by solving puzzles. The more puzzles you solve, the more stars you earn and the more puzzles you get to play. Only the most dedicated (and cleverest) sudoku players will finish all the puzzles. Of course the difficulty is carefully calibrated to ensure lots of puzzles at every level (from easy through to extreme). Anyone familiar with their YouTube channel will know that Simon and Mark take pride in teaching viewers to be better solvers and, in these games, they always craft the puzzles with the mindset of trying to help solvers improve their skills.
Mark and Simon have both represented the UK many times at the World Sudoku Championship and you can find more of their puzzles (and lots of others) on the internet’s biggest sudoku channel Cracking The Cryptic.
Features:
How does Thermo Sudoku work? Well each sudoku grid contains thermometer shapes (often drawn to create themes) and digits on thermometers must increase as one moves further from the bulb end. The interactions between the thermometers leads to new logical ideas and patterns that completely refreshes the standard sudoku solving experience.
As with their other games (‘Classic Sudoku’, ‘Sandwich Sudoku’ and ‘Chess Sudoku’), Simon Anthony and Mark Goodliffe (the hosts of Cracking The Cryptic) have personally crafted the hints for the puzzles. So you know that every puzzle has been play-tested by a human being to ensure that the sudoku is interesting and fun to solve.
In Cracking The Cryptic’s games, players start with zero stars and earn stars by solving puzzles. The more puzzles you solve, the more stars you earn and the more puzzles you get to play. Only the most dedicated (and cleverest) sudoku players will finish all the puzzles. Of course the difficulty is carefully calibrated to ensure lots of puzzles at every level (from easy through to extreme). Anyone familiar with their YouTube channel will know that Simon and Mark take pride in teaching viewers to be better solvers and, in these games, they always craft the puzzles with the mindset of trying to help solvers improve their skills.
Mark and Simon have both represented the UK many times at the World Sudoku Championship and you can find more of their puzzles (and lots of others) on the internet’s biggest sudoku channel Cracking The Cryptic.
Features:
- 40 beautiful puzzles on launch
- 100 puzzles in all with regular updates to reach this total in the first year post launch.
- Hints crafted by Simon and Mark!
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Thermo Sudoku, developed and published by Studio Goya, is a carefully crafted logic puzzle experience that builds upon the familiar structure of Sudoku while introducing a single, well-conceived twist that significantly deepens the challenge. Rather than overcomplicating the formula with multiple mechanics, it focuses on the concept of thermometers—visual paths within the grid where numbers must increase from one end to the other—and uses this idea as the foundation for its entire design. The result is a game that feels intuitive at first glance but gradually reveals a surprising level of depth as players engage with its puzzles. The traditional rules of Sudoku remain intact, requiring players to fill a 9×9 grid with numbers from 1 to 9 without repetition across rows, columns, and subgrids. What changes is how these numbers are placed in relation to the thermometers embedded in the puzzle. Each thermometer enforces a strict ascending order, meaning that numbers must increase step by step along its path. This seemingly simple addition transforms the way players approach the grid, as every placement must now satisfy both the standard rules and the directional constraints imposed by …1 found this helpful
I'm not even the biggest fan of regular sudoku but this just hits differently. It scratches an itch I didn't even know I had
Great puzzles and this concept makes sudoku more fun to solve in my opinion, the last few especially are tough! I wish you had all the puzzles unlocked from the start.
Addictive
it's a sudoku game. if you like sudoku you'll like this. the hints are well designed and great for when you're stuck in that they both explain why a number goes in a square as well as what number goes in a square
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