Single-player games like Killer Sudoku
Below are 16 single-player Steam games similar to Killer 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 Killer Sudoku page.
Ranked picks
- 1

Miracle Sudoku
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer 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

Cracking the Cryptic
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
Curated Sudoku puzzles from YouTube's most popular Sudoku channel, Cracking the Cryptic!
- 3

Knight Swap
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
One chess piece, the mighty knight. One simple concept: exchange the knights from one colored square to another. One hundred hand-crafted levels in a beautiful minimalist set. Can you swap the knights?
- 4

Chess Brain
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
Chess Brain is a chess puzzle game. Draw the correct path and don't let the King get killed by the opposite pieces! Every second all the pieces will move!
- 5

Hexcells Infinite
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
Hexcells Infinite is an ambient logic puzzle game for PC, Mac and Linux.
- 6

Filament
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
Solve challenging cable-based puzzles and uncover what really happened to the crew of The Alabaster. Now with Hint System (for those ultra tricky puzzles).
- 7

Patrick's Parabox
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
A mind-bending recursive puzzle game about boxes within boxes within boxes within boxes. Learn to use infinity to your advantage as you explore a deep and elegant system.
- 8

14 Minesweeper Variants
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
Minesweeper but the rules are changing.
- 9

Puzzles: Fish
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Indie and Casual with Killer Sudoku.
This game is a classic puzzle game with multiple levels and beautiful graphics. Enjoy!
- 10

Classic Sudoku
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer 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!
- 11

Chess Sudoku
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer 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.
- 12

Sandwich Sudoku
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer 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!
- 13

Thermo Sudoku
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Strategy and Indie with Killer Sudoku.
How does Thermo Sudoku work? 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.
- 14

Hex
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Indie with Killer 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.
- 15

Hex Two
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Indie with Killer 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?
- 16

Achromatic
Single-player alternative to Killer Sudoku — playable solo, no multiplayer required. Shares Indie with Killer 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.