Single-player games like Thermo Sudoku
Below are 12 single-player Steam games similar to Thermo Sudoku, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Thermo Sudoku page.
Ranked picks
- 1

Miracle Sudoku
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
Miracle Sudoku features beautiful puzzles that at first glance look impossible to solve!! Indeed, some of our Miracle puzzles have as few as two givens digits (!) but you will find them all to be solvable with a bit of clever logic!
- 2

Chess Sudoku
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
How does Chess Sudoku work? Well we’ve taken the classic sudoku game everyone knows and loves and created puzzles with chess-related twists! There are three different types of puzzles in the game: Knight Sudoku; King Sudoku and Queen Sudoku.
- 3

Arrow Sudoku
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
In Arrow Sudoku, every puzzle contains a handful of "arrows" laid out in unique patterns. The numbers found along the shaft of the arrow must sum up to the number at the base. This simple rule leads to endless variety in the puzzles you will conquer.
- 4

Sandwich Sudoku
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
Presented by Cracking The Cryptic, YouTube's most popular Sudoku channel, here is the brand new "Sandwich Sudoku" game that has become an internet sensation!
- 5

Classic Sudoku
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
Presented by Cracking The Cryptic, YouTube's most popular Sudoku channel, this is the brand new “Classic Sudoku” game that their viewers have been requesting for the last two years!
- 6

Killer Sudoku
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
In Killer Sudoku, every puzzle features cages that tell you the sum of the numbers inside. This extra information leads to beautiful logic that you will master as you progress through our handmade puzzles.
- 7

Cracking the Cryptic
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
Curated Sudoku puzzles from YouTube's most popular Sudoku channel, Cracking the Cryptic!
- 8

Sokobond
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Indie with Thermo Sudoku.
Sokobond is an elegantly designed puzzle game about chemistry. It's logical, minimalist, and beautiful - crafted with love and science.
- 9

Hexcells
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Thermo Sudoku.
Hexcells is an ambient logic puzzle game for PC, Mac and Linux.
- 10

Hex
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Indie with Thermo Sudoku.
Hex is a unique puzzle game with a simple goal, clear the tiles to win. Tiles might multiply, explode, toggle on and off, and more as you jump between them in this exciting journey through over 80 challenging levels.
- 11

Hex Two
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Indie with Thermo Sudoku.
Journey through 80 levels in this beautiful minimalist puzzle game. Jump from tile to tile as you attempt to clear the board. In Hex Two, you'll encounter 19 different types of tiles, each of which changing the way you must approach each level. Can you clear them all?
- 12

Achromatic
Single-player alternative to Thermo Sudoku — playable solo, no multiplayer required. Shares Indie with Thermo Sudoku.
Achromatic is a minimalist puzzle game about connecting dots in order to transform them all to one cohesive color. Along the way you will uncover unique dots with exciting properties to assist you on your puzzling adventure.