IMHO.

Single-player games like Insider Threat

Below are 11 single-player Steam games similar to Insider Threat, 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 Insider Threat page.

Ranked picks

  1. 1
    The Maid — Steam game cover

    The Maid

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    The Maid is a first-person psychological horror and mystery game that focuses on creating fear and tension in the player.

    2025ActionIndieAdventure5.99 USDSingle-playerSimilar games →
  2. 2
    The Guest — Steam game cover

    The Guest

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    The Guest is a first-person psychological horror game that focuses on creating fear and tension for the player.

    2023ActionIndieAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Nevermind This — Steam game cover

    Nevermind This

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    Step into the world of "Nevermind this", a heart-pumping horror where confusion, chaos, fear, distraction and even fun come together for an unique game experience, in a cursed hut from old Lumberjack. Don't let them mess with your mind.

    2023ActionIndieAdventure5.49 USDSingle-playerSimilar games →
  4. 4
    CONTORTED — Steam game cover

    CONTORTED

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Indie and Adventure with Insider Threat.

    CONTORTED is a camera-based horror game where you descend into a seemingly endless series of mysterious wells, encountering strange, contorted creatures. Use your camera to create objects in the world and to defend yourself! Now featuring a new endless minigame—how many points can you score?

    2024IndieAdventure5.99 USDSingle-playerSimilar games →
  5. 5
    In My Head — Steam game cover

    In My Head

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Indie and Adventure with Insider Threat.

    You have been sent photographs of a place where, according to rumors, an artifact of an ancient civilization is hidden... Do you dare to go there?!

    2024IndieAdventureSimulation1.99 USDSingle-playerSimilar games →
  6. 6
    Abandoned Souls — Steam game cover

    Abandoned Souls

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    Abandoned Souls is a horror game, shown through a GoPro lens. You play as a vlogger who specializes in urban exploration.

    2023ActionIndieAdventure2.49 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    From The Darkness — Steam game cover

    From The Darkness

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Indie and Adventure with Insider Threat.

    From the darkness is a psychological horror game with a scary atmosphere, the game takes place in an old Soviet abandoned apartment.

    2021IndieAdventure6.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Visage — Steam game cover

    Visage

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.

    2020ActionIndieAdventure34.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Ritual — Steam game cover

    Ritual

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    Ritual is a first-person psychological horror game. Immerse yourself in this sinister experience of terror, where everything familiar becomes strange to you, find the necessary elements to complete the ritual and solve the mystery.

    2023ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  10. 10
    From Hell — Steam game cover

    From Hell

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    From Hell is a first-person psychological horror game that focuses on creating fear and tension for the player.

    2024ActionIndieAdventure5.99 USDSingle-playerSimilar games →
  11. 11
    The Empty Eyes — Steam game cover

    The Empty Eyes

    Single-player alternative to Insider Threat — playable solo, no multiplayer required. Shares Action and Indie with Insider Threat.

    The Empty Eyes is a first-person psychological horror experience that immerses you in an investigation steeped in mystery. Every step inside the house brings you closer to a hidden truth, while tension mounts and fear takes root in your mind.

    2026ActionIndieAdventure8.99 USDDeck PlayableSingle-playerSimilar games →