IMHO.

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. 1
    Miracle Sudoku — Steam game cover

    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!

    2020StrategyIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Cracking the Cryptic — Steam game cover

    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!

    2022StrategyIndieCasualFreeDeck VerifiedSingle-playerSimilar games →
  3. 3
    Knight Swap — Steam game cover

    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?

    2019StrategyIndieCasual0.99 USDSingle-playerSimilar games →
  4. 4
    Chess Brain — Steam game cover

    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!

    2020StrategyIndieCasual0.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Hexcells Infinite — Steam game cover

    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.

    2014StrategyIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Filament — Steam game cover

    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).

    2020StrategyIndie16.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Patrick's Parabox — Steam game cover

    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.

    2022StrategyIndieCasual19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    14 Minesweeper Variants — Steam game cover

    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.

    2022StrategyIndieCasual6.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Puzzles: Fish — Steam game cover

    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!

    IndieCasualSingle-playerSimilar games →
  10. 10
    Classic Sudoku — Steam game cover

    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!

    2019StrategyIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Chess Sudoku — Steam game cover

    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.

    2020StrategyIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Sandwich Sudoku — Steam game cover

    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!

    2019StrategyIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Thermo Sudoku — Steam game cover

    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.

    2020StrategyIndieCasual4.99 USDSingle-playerSimilar games →
  14. 14
    Hex — Steam game cover

    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.

    2017Indie3.99 USDSingle-playerSimilar games →
  15. 15
    Hex Two — Steam game cover

    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?

    2018Indie3.99 USDSingle-playerSimilar games →
  16. 16
    Achromatic — Steam game cover

    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.

    2018Indie4.99 USDDeck VerifiedSingle-playerSimilar games →