IMHO.

Single-player games like Entity Research Group

Below are 8 single-player Steam games similar to Entity Research Group, 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 Entity Research Group page.

Ranked picks

  1. 1
    Have Fun Exploring — Steam game cover

    Have Fun Exploring

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Action and Indie with Entity Research Group.

    Have Fun Exploring is a 4-player online co-op psychological horror. Urbex livestreaming is booming on the Dark Web, and the WR8 Audience pays well for thrilling content. Investigate abandoned locations to uncover who went missing and identify the ghost they became.

    2027ActionIndieEarly AccessSingle-playerSimilar games →
  2. 2
    Entities — Steam game cover

    Entities

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Action and Indie with Entity Research Group.

    Dive into horror in Entities. Solo or up to 4-player matches offer dynamic puzzles, relentless entities, and extraction shooter mechanics. Investigate, unlock paths, and survive in dangerous zones as a private operator. Master skill and terror. Are you ready to confront the unknown?

    2024ActionIndieSimulation4.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Curious Cases — Steam game cover

    Curious Cases

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Indie with Entity Research Group.

    For Desktop or VR! In this 3 chapter story, you play as a modern day legend, Detective Thomas Moore. He has solved more cases than one can count, where others hit dead-ends, he gets to work.

    2019IndieAdventureCasual6.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Go Home Annie: An SCP Game — Steam game cover

    Go Home Annie: An SCP Game

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Action and Indie with Entity Research Group.

    A twisted psychological thriller and an original story set in the SCP universe. As an employee of the SCP Foundation, test artificially created paranormal events, solve puzzles, interact with anomalies, and uncover the secrets of the Replication Division.

    2024ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Escape First 2 — Steam game cover

    Escape First 2

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Indie with Entity Research Group.

    "Escape First 2" is the second installment of a multiplayer escape room puzzle game for virtual reality or desktop PC! It includes 3 different escape rooms to choose from and can be played competitively, co-op or solo.

    2019IndieAdventureCasual5.99 USDSingle-playerSimilar games →
  6. 6
    Phasmophobia — Steam game cover

    Phasmophobia

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Action and Indie with Entity Research Group.

    Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.

    2020ActionIndieEarly Access19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Demonologist — Steam game cover

    Demonologist

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Action and Indie with Entity Research Group.

    Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.

    2023ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Lost Lullabies: The Orphanage Chronicles — Steam game cover

    Lost Lullabies: The Orphanage Chronicles

    Single-player alternative to Entity Research Group — playable solo, no multiplayer required. Shares Action and Indie with Entity Research Group.

    "Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.

    2025ActionIndieAdventure10.99 USDDeck PlayableSingle-playerSimilar games →