IMHO.

Single-player games like A Demiurge's Soliloquy

Below are 8 single-player Steam games similar to A Demiurge's Soliloquy, 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 A Demiurge's Soliloquy page.

Ranked picks

  1. 1
    NULL — Steam game cover

    NULL

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Indie and Adventure with A Demiurge's Soliloquy.

    It's 1998. You're trapped in an eerie neighborhood where nothing is as it seems. Unravel a psychological horror story of grief, obsession, and love. Solve puzzles, meet neighbors, and make choices as you uncover the truth behind a grieving father who created a perfect world, frozen in time forever.

    2026IndieAdventureSingle-playerSimilar games →
  2. 2
    Veils of the Past — Steam game cover

    Veils of the Past

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Indie and Adventure with A Demiurge's Soliloquy.

    A psychological mystery where every clue reshapes reality. Unravel the link between a vanished woman and your missing sister, only to discover four entirely different truths, each revealing a new world, a new enemy, and the price of remembering.

    2026IndieAdventureSingle-playerSimilar games →
  3. 3
    The Milgram Experiment — Steam game cover

    The Milgram Experiment

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Adventure with A Demiurge's Soliloquy.

    A psychological thriller inspired by a disturbing real-life experiment. Handcrafted unsettling ethical dilemmas that will make you question your own morality and test your sanity. Every choice you make brings you closer to a unique ending. Will you sacrifice your own beliefs to obey HIS authority?

    2026AdventureSingle-playerSimilar games →
  4. 4
    CHILDREN OF SATURN — Steam game cover

    CHILDREN OF SATURN

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Indie and Adventure with A Demiurge's Soliloquy.

    A found footage coming-of-age story about a group of teenagers growing up under an orange sky.

    2027IndieAdventureSingle-playerSimilar games →
  5. 5
    Eschaton — Steam game cover

    Eschaton

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Indie and Adventure with A Demiurge's Soliloquy.

    Eschaton is a short, experimental, surreal first-person exploration game. Explore the 'aftermath' of a cult ritual in the grounds of a manor in the remote and picturesque Scottish Highlands.

    2022ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  6. 6
    The Stanley Parable — Steam game cover

    The Stanley Parable

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Indie and Adventure with A Demiurge's Soliloquy.

    The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end.

    2013IndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    The Floor Above — Steam game cover

    The Floor Above

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Adventure with A Demiurge's Soliloquy.

    A claustrophobic anomaly-horror game where you can only turn, blink, and decide: is it real or not? Survive five endings and uncover Mike’s story.

    2026AdventureSimulationFree To Play12.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    The Signifier Director's Cut — Steam game cover

    The Signifier Director's Cut

    Single-player alternative to A Demiurge's Soliloquy — playable solo, no multiplayer required. Shares Indie and Adventure with A Demiurge's Soliloquy.

    This story-driven adventure follows a mystery of death and despair from reality into the surreal realms of objective memories and subjective experiences. Search the mind, solve puzzles, and unravel the dark truth in this psychological thriller.

    2020IndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →