IMHO.

Single-player games like Department of Missing Persons

Below are 8 single-player Steam games similar to Department of Missing Persons, 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 Department of Missing Persons page.

Ranked picks

  1. 1
    No, I'm not a Human — Steam game cover

    No, I'm not a Human

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Indie and Simulation with Department of Missing Persons.

    WARNING. Stay inside. Lock your doors. Close the blinds. Only let humans in. Eliminate all Visitors. An anxiety horror about paranoia in the End of Times.

    2025IndieSimulation14.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Don't Pick Up — Steam game cover

    Don't Pick Up

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Indie and Simulation with Department of Missing Persons.

    Wanted: a reliable technician who follows the rules, handles sensitive information with discretion, and does not ask questions. Fix the phones. Don't look too closely.

    IndieSimulationSingle-playerSimilar games →
  3. 3
    I'm not a Psycho Invader — Steam game cover

    I'm not a Psycho Invader

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Indie and Simulation with Department of Missing Persons.

    You've seized the university! Every floor is full of obstacles. Each hostage is valuable, dangerous, or a waste of time. Kill, search, or interrogate: everything costs time, and panic raises the price. Reach the roof before time runs out.

    StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    Static Dread: The Lighthouse — Steam game cover

    Static Dread: The Lighthouse

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Action and Indie with Department of Missing Persons.

    Lovecraft meets Papers, Please. Play as a lighthouse keeper and guide ships safely into the harbor using your radio. Survive the presence of something impossible, and don’t let the shadows consume you!

    2025ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Below, Rusted Gods — Steam game cover

    Below, Rusted Gods

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Indie and Simulation with Department of Missing Persons.

    You are the lifeline supporting an expedition into the unknown. Keep both yourself and your squad alive by interpreting instrument readings, explore the facilities, and uncover something ancient and eager to be born.

    2026IndieAdventureSimulation7.99 USDSingle-playerSimilar games →
  6. 6
    Pikabuu: STOP! — Steam game cover

    Pikabuu: STOP!

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Indie and Simulation with Department of Missing Persons.

    Beni, a loving husband to Nadia and father to Kaila, always ensured his family's needs were met with simple contentment. However, one day, an unwitting decision dragged his small family into a spiral that threatens everything.

    2025IndieAdventureSimulation0.99 USDSingle-playerSimilar games →
  7. 7
    The Infectious Madness of Doctor Dekker — Steam game cover

    The Infectious Madness of Doctor Dekker

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Indie and Simulation with Department of Missing Persons.

    YOU are a psychiatrist, trying to solve a murder whilst treating the unusual patients of the recently deceased Doctor Dekker. Type a question - patients reply in full screen video and have questions for you too but be careful what you say. Your words determine their eventual fates, and your own!

    2017IndieAdventureSimulation8.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Water Delivery — Steam game cover

    Water Delivery

    Single-player alternative to Department of Missing Persons — playable solo, no multiplayer required. Shares Indie and Simulation with Department of Missing Persons.

    Water Delivery is a first person, horror experience where you play as a water delivery boy. Ride along in the delivery truck from house to house. Deliver filled water jugs, find and return empty jugs, and collect all the payments. Will you be able to finish your final route of the evening?

    2024IndieAdventureSimulation5.99 USDSingle-playerSimilar games →