IMHO.

Single-player games like PROJECT 13 Perception Test

Below are 11 single-player Steam games similar to PROJECT 13 Perception Test, 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 PROJECT 13 Perception Test page.

Ranked picks

  1. 1
    Minekeeper — Steam game cover

    Minekeeper

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required.

    Trapped within the shifting Silverbrook Mines, recover and deliver 10 relics in a row while outmaneuvering unpredictable anomalies to reach the exit.

    IndieSingle-playerSimilar games →
  2. 2
    Red Balloon — Steam game cover

    Red Balloon

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required.

    A first-person psychological horror experience. Explore, solve puzzles, and make decisions as you descend through 66 levels to save your little brother. How far are you willing to descend for him?

    IndieAdventureSingle-playerSimilar games →
  3. 3
    Burial — Steam game cover

    Burial

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required. Shares Simulation with PROJECT 13 Perception Test.

    A videographer receives the task of filming a wake in an old Soviet apartment. But he soon realizes that something terrible is lurking within these walls. And in the middle of the room there is a closed coffin...

    2025IndieSimulation4.99 USDSingle-playerSimilar games →
  4. 4
    Hazing - Night Shift — Steam game cover

    Hazing - Night Shift

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required. Shares Simulation with PROJECT 13 Perception Test.

    A young police officer arrives at a country house after a disturbing call... This VHS tape captures the horrors that happened to him.

    2024IndieSimulation5.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    The Devil's Face — Steam game cover

    The Devil's Face

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required. Shares Simulation with PROJECT 13 Perception Test.

    The Devil's Face is an impressive first-person horror game with a gripping storyline. You play as Jonathan, who embarks on a journey to the afterlife. There, he will face judgment for his actions and endure the hell he has created for himself.

    2023IndieSimulation4.99 USDSingle-playerSimilar games →
  6. 6
    The Man in the Fields — Steam game cover

    The Man in the Fields

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required.

    The Man in the Fields is a first person horror experience based on a ritual of the same name. Once you summon The Man in the Fields, every door and item in your house will be opened. Close everything in time to prevent it from getting in.

    2024IndieAdventure3.99 USDSingle-playerSimilar games →
  7. 7
    Sealed — Steam game cover

    Sealed

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required.

    Sealed is a horror game that will immerse you in a disturbing and mysterious experience. You will find yourself trapped in a haunted hospital, where every shadow and every whisper will remind you that you are not alone.

    2024IndieAdventure10.99 USDSingle-playerSimilar games →
  8. 8
    Penitence — Steam game cover

    Penitence

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required.

    Return home and uncover the mystery of your daughter's death, and the demon that plagues you, in this escape room style atmospheric puzzler.

    2022IndieAdventure0.99 USDSingle-playerSimilar games →
  9. 9
    PROJECT 13 — Steam game cover

    PROJECT 13

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required. Shares Simulation with PROJECT 13 Perception Test.

    As one of many kidnapped and enslaved Probants of the Project 13 Group... You need to find Anomalies through your Walk. If you not obey and report , you will be stuck in it forever.

    2024IndieSimulation3.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Project 13: Taxidermy Trails — Steam game cover

    Project 13: Taxidermy Trails

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required. Shares Simulation with PROJECT 13 Perception Test.

    Project 13: Taxidermy Trails, a Walking Simulator set in a mesmerizing Taxidermy Museum. In this immersive experience, you assume the role of an kidnapped Probant forced to find a way to escape. Complete all 13 Walks to get out of this Nightmare.

    2024ActionIndieSimulation3.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Project13: Nightwatch — Steam game cover

    Project13: Nightwatch

    Single-player alternative to PROJECT 13 Perception Test — playable solo, no multiplayer required. Shares Simulation with PROJECT 13 Perception Test.

    A new Observer Gametype where you take on the role of an Observer tasked with guarding the HQ of the Project 13 Corp. . Prevent any Observer Prisoner, each potentially containing a anomaly, from infiltrating the HQ. Equipped with a high-tech binocular, your observation skills are the key to success.

    2024IndieSimulation3.99 USDSingle-playerSimilar games →