IMHO.

Single-player games like Rules: Motel Horizon

Below are 8 single-player Steam games similar to Rules: Motel Horizon, 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 Rules: Motel Horizon page.

Ranked picks

  1. 1
    Who Killed Mr X — Steam game cover

    Who Killed Mr X

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Indie and RPG with Rules: Motel Horizon.

    You wake up locked up in an unknown place with 8 strangers. Who are these people ? Why are you here ? You have a bad feeling. But suddenly, the phone rings, and it's up to you : Will you dare answer and go deeper in this mysterious plot ? Will you reveal the horrible truth... and survive it ?

    2026IndieRPGSingle-playerSimilar games →
  2. 2
    爱人:Aijin — Steam game cover

    爱人:Aijin

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Indie and Simulation with Rules: Motel Horizon.

    "'Aijin' is a Chinese dreamcore psychological and survival horror game with multiple endings. you play as a student who has returned from the 'Lover Internet Addiction Treatment School.' After enduring severe psychological trauma, one day you discover the truth about 'Aijin' and your own identity...

    2025IndieAdventureSimulation3.99 USDSingle-playerSimilar games →
  3. 3
    Code Name Teacher — Steam game cover

    Code Name Teacher

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Indie and Simulation with Rules: Motel Horizon.

    As an undercover cop, you'll infiltrate a criminal organization to bring it down. As a teacher, your mission is to stop the gang in school and the neighborhood! Your choices shape the story, relationships, and outcomes. The decisions are yours.

    2024ActionIndieSimulation9.99 USDSingle-playerSimilar games →
  4. 4
    The Test: Final Revelation — Steam game cover

    The Test: Final Revelation

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Simulation and RPG with Rules: Motel Horizon.

    The third chapter in The Test Trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover who you really are as a person. The Final Revelation is upon us... but are you sure you TRULY want the answers you seek?

    2020SimulationRPG1.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Testing Chamber — Steam game cover

    The Testing Chamber

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Simulation and RPG with Rules: Motel Horizon.

    For every action, there is a reaction... For every choice, a result... Dive deep into your subconscious as you wander the halls of The Testing Chamber & join hundreds of thousands of other players in one of the biggest & most successful social experiments ever performed.

    2022SimulationRPG4.99 USDSingle-playerSimilar games →
  6. 6
    Pathologic 3 — Steam game cover

    Pathologic 3

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Indie and Simulation with Rules: Motel Horizon.

    In this psychological horror game, you are a doctor with only 12 days to save a town from a mysterious plague. Make ruthless decisions and diagnose with precision. Shape the town's future and rewrite the past. Hold yourself together while it all falls apart.

    2026IndieAdventureSimulation26.24 USDSingle-playerSimilar games →
  7. 7
    Heaven Does Not Respond — Steam game cover

    Heaven Does Not Respond

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Indie and Simulation with Rules: Motel Horizon.

    Heaven Does Not Respond is a psychological and analog horror game set in an alternate 2005 timeline. Play as an intelligence agent, exploring a retro computer interface to decipher secret files, watch mysterious videos, and uncover the dark secrets behind a young man's death.

    2026IndieSimulationRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Uncover the Smoking Gun — Steam game cover

    Uncover the Smoking Gun

    Single-player alternative to Rules: Motel Horizon — playable solo, no multiplayer required. Shares Indie and Simulation with Rules: Motel Horizon.

    A Battle of Wits with AI: Solve the case by conversing with a suspect robot using GPT to gather evidence. What single truth emerges from countless dialogues and pieces of information?

    2024StrategyIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →