IMHO.

Single-player games like Rules: Motel Horizon

Below are 9 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
    VOID PRIEST — Steam game cover

    VOID PRIEST

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

    You are the Void Priest, bound to an Elder God against your will. Guided only by relics, symbols, and light, solve eldritch mysteries and perform forbidden rituals. Survive long enough to choose whether you stay faithful or betray.

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    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 →
  3. 3
    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 →
  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 USDDeck PlayableSingle-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 →
  9. 9
    Roll Dice no Die — Steam game cover

    Roll Dice no Die

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

    Roll Dice no Die is a dark strategy game set in an underground bar. The Dead Man's Coin is found. Strap into the electric chair and outsmart the robotic Master in a lethal board game. Build your deck, roll the dice, and survive a high-stakes thriller.

    IndieSingle-playerSimilar games →