IMHO.

Single-player games like Isolomus

Below are 10 single-player Steam games similar to Isolomus, 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 Isolomus page.

Ranked picks

  1. 1
    Bulb Boy — Steam game cover

    Bulb Boy

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

    One gloomy night, Bulb Boy wakes suddenly from a frightening nightmare to discover that evil has overshadowed the Bulbhouse. His family has disappeared and there are horrid monsters lurking in the shadows. Gather the courage and use his glass head to save everything he loves.

    2015IndieAdventure8.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Plug & Play — Steam game cover

    Plug & Play

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

    Run, hit, switch, fall, love, plug, pull. And push.

    2015IndieAdventureCasual3.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    The White Door — Steam game cover

    The White Door

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

    Enter The White Door and discover Rusty Lake’s universe in a new game with a unique style! Explore Robert Hill’s dreams and help him to find his lost memories. Can you survive the strict daily routine and bring back color to Robert's life?

    2020IndieAdventure3.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Year Walk — Steam game cover

    Year Walk

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

    Venture out into the dark woods where strange creatures roam, on a vision quest set in 19th century Sweden. Solve and decipher cryptic puzzles, listen for clues, and learn about mysterious folklore creatures in the built-in encyclopedia as you seek to foresee your future.

    2014IndieAdventure5.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    The Franz Kafka Videogame — Steam game cover

    The Franz Kafka Videogame

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

    An original puzzle/adventure game inspired by the writings of Franz Kafka.

    2017IndieAdventure6.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Draugen — Steam game cover

    Draugen

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

    Draugen is a single-player, first-person Fjord Noir mystery set in 1920s Norway. Explore a forgotten coastal village in your search for your missing sister, accompanied by your independent and enigmatic young ward. Norwegian Game of the Year 2019.

    2019IndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Detention — Steam game cover

    Detention

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

    Detention is an atmospheric horror game set in 1960s Taiwan under martial law. Incorporated religious elements based in Taiwanese/Chinese culture and mythology, the game provided players with unique graphics and gaming experience.

    2017IndieAdventure11.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    LIMBO — Steam game cover

    LIMBO

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

    Uncertain of his sister's fate, a boy enters LIMBO

    2011ActionIndieAdventure12.49 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    The Dark Eye: Chains of Satinav — Steam game cover

    The Dark Eye: Chains of Satinav

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

    Face your Destiny! In Andergast, whose inhabitants are considered to be superstitious, King Efferdan awaits a state visit from high-ranking dignitaries. For centuries the kingdom has been at odds with neighboring Nostria, but now first steps are being undertaken toward a lasting peace.

    2012IndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Wurroom — Steam game cover

    Wurroom

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

    Experience a 10 minute dive into the unknown depths of the multiverse!

    2019IndieAdventureFree To PlayFreeDeck VerifiedSingle-playerSimilar games →