IMHO.

Single-player games like Messa Anomaly

Below are 8 single-player Steam games similar to Messa Anomaly, 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 Messa Anomaly page.

Ranked picks

  1. 1
    Hotel 13 — Steam game cover

    Hotel 13

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

    The corridor looks the same every time. But does it really? Maybe something has changed. Observe your surroundings carefully.

    2026IndieAdventureSimulationSingle-playerSimilar games →
  2. 2
    Infinite Innocence — Steam game cover

    Infinite Innocence

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

    Infinite Innocence is a game about finding anomalies, but it is very easy to see them with lighting. What if we give it a little more difficulty and tension? Will you be able to remember everything until the end?

    2024IndieAdventureSimulation4.99 USDSingle-playerSimilar games →
  3. 3
    VHScape — Steam game cover

    VHScape

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

    You find yourself trapped in a haunted VHS rental store, can you survive their twisted games and escape?

    2024IndieAdventureSimulation3.99 USDSingle-playerSimilar games →
  4. 4
    Room 808 — Steam game cover

    Room 808

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

    Room 808 is a surreal horror game where you wander endless hotel halls in search of your room. Something feels off. Spot the anomalies, and try to get to your room before the hotel halls trap you forever.

    2025IndieAdventureSimulation3.99 USDSingle-playerSimilar games →
  5. 5
    Hotel The Memory — Steam game cover

    Hotel The Memory

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

    “If you find an anomaly, remember it.” Welcome to Hotel The Memory, an anomaly-hunting x memory-matching escape game. Match pairs of rooms with the exact same anomaly to escape from this strange hotel.

    2026IndieAdventureSimulation3.99 USDSingle-playerSimilar games →
  6. 6
    Exit_ComputerLab — Steam game cover

    Exit_ComputerLab

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

    Stuck in an infinite loop inside a computer lab. To escape, you need to find the necessary anomalies to break the loop, making it possible to get out of this place. Good luck ;)

    2026IndieAdventureSimulationSingle-playerSimilar games →
  7. 7
    My Last Appointment — Steam game cover

    My Last Appointment

    Single-player alternative to Messa Anomaly — playable solo, no multiplayer required. Shares Adventure and Simulation with Messa Anomaly.

    The doctor said today was my last appointment, I'm healthy. Time to go home, what could go wrong?

    2024AdventureSimulation1.99 USDSingle-playerSimilar games →
  8. 8
    Route8 — Steam game cover

    Route8

    Single-player alternative to Messa Anomaly — playable solo, no multiplayer required. Shares Indie and Simulation with Messa Anomaly.

    "You're lost on Route 8. You must find a way to escape. This eerie road is terrifying.""Night falls, the phone rings. Who are you? You find yourself driving along Route 8, repeating endlessly."

    2024IndieSimulation2.99 USDSingle-playerSimilar games →