IMHO.

Single-player games like Mountains of Madness

Below are 10 single-player Steam games similar to Mountains of Madness, 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 Mountains of Madness page.

Ranked picks

  1. 1
    SOMA — Steam game cover

    SOMA

    Single-player alternative to Mountains of Madness — playable solo, no multiplayer required. Shares Action and Indie with Mountains of Madness.

    From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.

    2015ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    The Coma 3: Bloodlines — Steam game cover

    The Coma 3: Bloodlines

    Single-player alternative to Mountains of Madness — playable solo, no multiplayer required. Shares Action and Indie with Mountains of Madness.

    Welcome to the world of The Coma 3: Bloodlines. In this realm of shadows rumors and urban legends become reality, and danger lurks around every corner. If a living intruder dies here, their body will be severed from their spirit and never wake again ...

    2026ActionIndieAdventure11.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    The Land of Pain — Steam game cover

    The Land of Pain

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

    Something strange appears in the woods. Lost in a dark and unknown place, survive an unrelenting enemy, solve puzzles, and uncover the ancient mystery that’s befallen this land in this Lovecraftian Cosmic Horror adventure.

    2017IndieAdventure11.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Amnesia: The Dark Descent — Steam game cover

    Amnesia: The Dark Descent

    Single-player alternative to Mountains of Madness — playable solo, no multiplayer required. Shares Action and Indie with Mountains of Madness.

    Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.

    2010ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    ASYLUM — Steam game cover

    ASYLUM

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

    An epic supernatural horror adventure and the spiritual successor to cult classic Scratches set in a massive, decaying mental institute. Inspired by H. P. Lovecraft, Hammer Films and twisted Euro Horror from the 80s.

    2025IndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Amnesia: A Machine for Pigs — Steam game cover

    Amnesia: A Machine for Pigs

    Single-player alternative to Mountains of Madness — playable solo, no multiplayer required. Shares Action and Indie with Mountains of Madness.

    From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.

    2013ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Still Wakes the Deep — Steam game cover

    Still Wakes the Deep

    Single-player alternative to Mountains of Madness — playable solo, no multiplayer required. Shares Action and Indie with Mountains of Madness.

    1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality in this 3x BAFTA Games Award-winning narrative horror experience.

    2024ActionIndieAdventure34.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Gray Dawn — Steam game cover

    Gray Dawn

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

    Embark on a terrifying adventure of a priest accused of murdering an altar boy. Gray Dawn is a psychological thriller infused with religious elements and combines story-driven quests with an artistic experience.

    2018IndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Asteroid Five — Steam game cover

    Asteroid Five

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

    A first person space exploration game where you investigate the inner caves of an asteroid passing by your planet. Dive into the deeps of the asteroid aboard your ship, collecting information and samples of many beautiful minerals and lifeforms while searching for more complex and intelligent beings

    2022IndieAdventureCasual5.99 USDSingle-playerSimilar games →
  10. 10
    Chores in the Night — Steam game cover

    Chores in the Night

    Single-player alternative to Mountains of Madness — playable solo, no multiplayer required. Shares Indie with Mountains of Madness.

    "I want this apartment spotless!" shouts your mom before going to her night shift. Use your cleaning supplies and courage to have the house cleaned before your mom comes back. A first person short story about doing chores and avoiding evil forces to survive the night.

    2024IndieCasual2.99 USDSingle-playerSimilar games →