IMHO.

Single-player games like O.C.D. - On Completeness & Dissonance

Below are 10 single-player Steam games similar to O.C.D. - On Completeness & Dissonance, 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 O.C.D. - On Completeness & Dissonance page.

Ranked picks

  1. 1
    One Line: Letters and Codes — Steam game cover

    One Line: Letters and Codes

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie and Casual with O.C.D. - On Completeness & Dissonance.

    You have just received a coded love letter! In this minimalist puzzle, you will have to draw a single line to fill the entire board. At each level solved, get a code to reveal a piece of the letter. Gather the codes, read the letter and discover the message.

    2022IndieCasual0.79 USDSingle-playerSimilar games →
  2. 2
    One Line — Steam game cover

    One Line

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie and Casual with O.C.D. - On Completeness & Dissonance.

    One Line is a minimalist puzzle game where the objective is to draw a single line filling the entire board. Different mechanics will challenge your mind in this game that is easy to learn but hard to solve. Can you find the correct path?

    2021IndieCasual1.99 USDSingle-playerSimilar games →
  3. 3
    The Answer Is 42 — Steam game cover

    The Answer Is 42

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie and Casual with O.C.D. - On Completeness & Dissonance.

    The answer to life, the universe, and everything. Connect the numbers. Fill the board. You will find out.

    2019IndieCasual1.39 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    A Path to Light — Steam game cover

    A Path to Light

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie and Casual with O.C.D. - On Completeness & Dissonance.

    A solitary abstract journey. Discover the rules and guide your steps in the grid to touch the triangle(light). ♦

    2022StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  5. 5
    BlackJack Math Cross Numbers — Steam game cover

    BlackJack Math Cross Numbers

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie and Casual with O.C.D. - On Completeness & Dissonance.

    Tease your brain in this ambient logic game where you have to make the math match 21 as a result horizontal and vertically (because we're talking about blackjack, right?) Swap the cards, make the math, repeat. That's all you'll need in order to complete this game!

    2021IndieCasual0.99 USDSingle-playerSimilar games →
  6. 6
    Gambit Shifter — Steam game cover

    Gambit Shifter

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie and Casual with O.C.D. - On Completeness & Dissonance.

    Gambit Shifter is a relaxing, minimalist cozy puzzle game for chess experts and beginners alike! Take control of a single piece, solve your way through 80+ hand-crafted levels and lose yourself in the zen atmosphere as you advance.

    2024IndieCasual7.99 USDSingle-playerSimilar games →
  7. 7
    Aurora Hex - Pattern Puzzles — Steam game cover

    Aurora Hex - Pattern Puzzles

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie and Casual with O.C.D. - On Completeness & Dissonance.

    Aurora Hex - Pattern Puzzles is a relaxing and peaceful puzzle game, where you link matching pieces together to discover beautiful hidden patterns.

    2019IndieCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Destroy The Hexons — Steam game cover

    Destroy The Hexons

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Casual with O.C.D. - On Completeness & Dissonance.

    Destroy The Hexons is a math logic puzzle game with number cannons that destroy number hexagons. Find the right math combination to destroy all the hexes in the scene.

    2021Casual0.99 USDSingle-playerSimilar games →
  9. 9
    Thundering Skies — Steam game cover

    Thundering Skies

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie with O.C.D. - On Completeness & Dissonance.

    A shoot'em up inspired by the 16-bit classics of the genre.

    2017ActionIndie0.99 USDSingle-playerSimilar games →
  10. 10
    Out Of Memories — Steam game cover

    Out Of Memories

    Single-player alternative to O.C.D. - On Completeness & Dissonance — playable solo, no multiplayer required. Shares Indie with O.C.D. - On Completeness & Dissonance.

    A surreal nightmare by green phosphor and text graphics. But the outdated hardware isn't the only thing that's decaying: devoid of any memories, all you know is a toxin is destroying your body little by little - and it's only one of the things out to kill you. Get ready to die like it's 1981.

    2024IndieAdventure1.99 USDSingle-playerSimilar games →