IMHO.

Single-player games like ATTA -Spot the Oddities in the Strange Hotel-

Below are 10 single-player Steam games similar to ATTA -Spot the Oddities in the Strange Hotel-, 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 ATTA -Spot the Oddities in the Strange Hotel- page.

Ranked picks

  1. 1
    Pachiko — Steam game cover

    Pachiko

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    You've been trapped in a looping space by Pachiko's mischief! Find the anomaly, choose the right path, and aim for the goal!

    2025ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  2. 2
    Hotel in the Dark — Steam game cover

    Hotel in the Dark

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    That's the day it all started on Sept. 13. 2020. In the early morning of the same day, I was already standing at the bus station, waiting for my bus. I had to travel a couple of three hundred kilometers to a small town. I found a hotel quickly. It was quite a modern building at first glance.

    2023ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  3. 3
    The Grass — Steam game cover

    The Grass

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    An adventure in a grassy field where you must break the curse to get out. A title of action adventure and survival horror Are you ready to overcome this challenge?

    2021ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  4. 4
    Tempter — Steam game cover

    Tempter

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    "Tempter" is a suspenseful first-person horror game that shows how humans can be even more dangerous than demons when they gain power. It centers on the struggle to save one's soul against a demon after breaking a pact.

    2024ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  5. 5
    School Paranormal Laboratory — Steam game cover

    School Paranormal Laboratory

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Indie and Casual with ATTA -Spot the Oddities in the Strange Hotel-.

    To those who will become investigators at our research institute, Our institute conducts research on mysterious phenomena and grudges that occur in schools. As an investigator, you will carry out field surveys, but it is a simple job that even those with no experience can perform.

    2024IndieAdventureCasual3.99 USDSingle-playerSimilar games →
  6. 6
    Back rooms: The old Watcher — Steam game cover

    Back rooms: The old Watcher

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    This work is inspired by Exit 8, Backrooms, and liminal spaces - environments that evoke an unsettling sense of the familiar yet strange. However, is there any way out for the old man? No, there isn't.

    2025ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  7. 7
    Project Three — Steam game cover

    Project Three

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    A psychological first-person survival horror focused on atmosphere, story and defending yourself with melee and weaponry against several creatures. The story is set in the alternate fan-made universe of Half-Life, Valve Corporation's successful series.

    2025ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  8. 8
    INESCAPED — Steam game cover

    INESCAPED

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    Inescaped Paranoia is a psychological horror game where paranoia is your worst enemy. As a building inspector sent to assess an abandoned farmhouse, your routine job quickly turns into a descent into fear and uncertainty.

    2024ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  9. 9
    Lurk in the Dark : Prologue — Steam game cover

    Lurk in the Dark : Prologue

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Indie with ATTA -Spot the Oddities in the Strange Hotel-.

    A town flourished with woodworking and mining, "Babel's Hill Top". A Ruggles family who contributed greatly to the development of this town several centuries ago. The tragedy that happened at the residence of them. In this residence where blood and hatred are ingrained, their nightmare begins.

    2019ActionIndieFree To PlayFreeSingle-playerSimilar games →
  10. 10
    LOOPER★LOOPER — Steam game cover

    LOOPER★LOOPER

    Single-player alternative to ATTA -Spot the Oddities in the Strange Hotel- — playable solo, no multiplayer required. Shares Action and Casual with ATTA -Spot the Oddities in the Strange Hotel-.

    LOOPER★LOOPER is a simple clicker game.Click on the requested items, transport them, earn ∮ and upgrade your factory!

    2023ActionRPGCasual2.49 USDSingle-playerSimilar games →