IMHO.

Single-player games like NoOneKnowsME.

Below are 8 single-player Steam games similar to NoOneKnowsME., 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 NoOneKnowsME. page.

Ranked picks

  1. 1
    Omega Warp — Steam game cover

    Omega Warp

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    Omega Warp is a sci-fi themed action-adventure, which takes place aboard an interstellar freighter. Explore, upgrade your skills and equipment, and uncover the mysteries surrounding the freighter's loss of communication with the base of operations on Earth.

    2024ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  2. 2
    21号空间站 — Steam game cover

    21号空间站

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    What traps us is not time, but our faith in it.

    IndieAdventureCasualSingle-playerSimilar games →
  3. 3
    Last Moor — Steam game cover

    Last Moor

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    Last Moor is a horror game in which a man wakes up and escapes from a secret laboratory on the moon. You have to escape by solving various puzzles, exploring the laboratory, avoiding or fighting the monsters there.

    2023IndieAdventure2.99 USDSingle-playerSimilar games →
  4. 4
    SpaceLift — Steam game cover

    SpaceLift

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    Wake up as an engineer on a failing space elevator in this narrative-driven side-view 3D sci-fi adventure. Explore spacecraft and service decks, repair broken systems, solve light puzzles, and uncover what happened to the missing crew.

    IndieAdventureSingle-playerSimilar games →
  5. 5
    Mayak — Steam game cover

    Mayak

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    A signal from a star // 3571 → 3559 → 3557 → … → 0 // 336 years remain // You and her, staring up at the sky. A hand-drawn sci-fi visual novel about first contact.

    2027IndieAdventureSingle-playerSimilar games →
  6. 6
    The Aurora Chronicles — Steam game cover

    The Aurora Chronicles

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    A crew of four. Mysteries at the edge of known space. A utopia that might be more fragile than it appears. The Aurora Chronicles is an episodic sci-fi visual novel where your choices shape relationships, uncover buried secrets, and test whether hope can survive what you discover.

    2026AdventureEarly Access9.99 USDSingle-playerSimilar games →
  7. 7
    Locus Equation — Steam game cover

    Locus Equation

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    You are an anthropod, a synthetically crafted life form. Your objective is to save the ones who are stuck on an uninhabited planet. Persuade, charm, manipulate: use your ultimate power—freedom of choice—in sci-fi role playing hyper variative game LOCUS EQUATION.

    IndieAdventureRPGSingle-playerSimilar games →
  8. 8
    Merman Jump King — Steam game cover

    Merman Jump King

    Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..

    This is a high-difficulty platformer game where even slight collisions will cause you to lose control and be knocked back. I believe very few players can clear the game. Players will play as a mermaid warrior jumping forward to save the polluted ocean.

    2024IndieAdventureCasual7.99 USDSingle-playerSimilar games →