IMHO.

Single-player games like /R - A Neurodivergent Thriller

Below are 8 single-player Steam games similar to /R - A Neurodivergent Thriller, 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 /R - A Neurodivergent Thriller page.

Ranked picks

  1. 1
    Ritual : House Sitting — Steam game cover

    Ritual : House Sitting

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Action and Indie with /R - A Neurodivergent Thriller.

    A young woman named Nina accepts a house-sitting job recommended by a friend, tempted by the unusually generous pay. But is the house really as ordinary as it seems?

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    27 Survivors — Steam game cover

    27 Survivors

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Indie with /R - A Neurodivergent Thriller.

    Over a century ago, you and 99 other passengers left Earth aboard a colony ship in stasis. Now, the ship has awakened you early and you find only you and 26 other passengers remain. Make repairs and keep yourself alive while you investigate what happened to the rest of the passengers.

    2026Indie6.00 USDSingle-playerSimilar games →
  3. 3
    Mundaun — Steam game cover

    Mundaun

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Action and Indie with /R - A Neurodivergent Thriller.

    Mundaun is a lovingly hand-penciled horror tale set in a dark, secluded valley of The Alps. Explore various areas full of secrets to discover, survive hostile encounters, drive vehicles, fill your inventory, and solve a variety of handcrafted puzzles.

    2021ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Filthy us 2 — Steam game cover

    Filthy us 2

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Indie and Adventure with /R - A Neurodivergent Thriller.

    千禧年初西北某地,一起恶性杀人事件轰动一时,行凶者临死前紧紧握着半张佛脸,他强烈的怨念引起了“无者”的注意。随着探究的深入,竟又牵扯出十年前另一起纵火灭门案!相同的一尊佛像,背后暗藏的究竟是天灾还是人祸。在那片由怨念产生的怨秽地之中,种种诡异可怖的表象之下,深埋着未知的秘密。

    2023IndieAdventureRPG8.99 USDSingle-playerSimilar games →
  5. 5
    Eclipsium — Steam game cover

    Eclipsium

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Indie and Adventure with /R - A Neurodivergent Thriller.

    Longing for light, a sunless world begins devouring itself. Every step shifts the landscape beneath you as you search for what remains of her.

    2025IndieAdventure12.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Subway Midnight — Steam game cover

    Subway Midnight

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Indie and Adventure with /R - A Neurodivergent Thriller.

    Board the train! Run away from a weirdo! Solve some puzzles! Make friends with some ghosts! Try not to become a ghost yourself!

    2021IndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Oxenfree — Steam game cover

    Oxenfree

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Indie and Adventure with /R - A Neurodivergent Thriller.

    Oxenfree is a supernatural thriller about a group of friends who unwittingly open a ghostly rift. You are Alex, and you’ve just brought your new stepbrother Jonas to an overnight island party gone horribly wrong.

    2016IndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Box of Broken Nails — Steam game cover

    Box of Broken Nails

    Single-player alternative to /R - A Neurodivergent Thriller — playable solo, no multiplayer required. Shares Action and Indie with /R - A Neurodivergent Thriller.

    First-person psychological horror about ignorance and attempts. Protect yourself as a lone carpenter, hastily look for materials in your house to board up a door that shouldn’t exist. At any cost.

    2025ActionIndieAdventure4.99 USDSingle-playerSimilar games →