IMHO.

Games like Protocol Non-Human

If Protocol Non-Human is your kind of game, the closest matches are Volcano Oden, Distant and Before the Silence Claims: In Absentia — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Protocol Non-Human: A realistic first-person horror deduction game. Identify NON-HUMAN entities and navigate critical decisions within the Zone. Earn your survival, upgrade your booth, and-above all-don't let the NON-HUMANS in.

2026IndieSimulationWindowsby DreadGear Games
Protocol Non-Human — Steam game cover

Players who liked Protocol Non-Human also play

Steam players who put hours into Protocol Non-Human also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Volcano Oden

    WHY THIS

    Top pick for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries. Shares Indie with Protocol Non-Human.

    A SAVE-EVERYONE type game where, just like a 911 operator, you make decisions based on the layout of the map or even based on past decisions. The deep psychological-horror story can only be uncovered by helping everyone. Should you save them all, the truth will finally come out...

    StrategyIndieFree To PlayFreeSteam ↗
  2. Distant

    WHY THIS

    Second-strongest match for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries. Shares Indie with Protocol Non-Human.

    A mysterious object brings a former detective to a distant place in the middle of nowhere, where the worst nightmares clash with reality. Are you prepared to face your fears in what might be your last investigation?

    2026ActionIndieAdventureSteam ↗
  3. Before the Silence Claims: In Absentia

    WHY THIS

    Third-strongest match for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries.

    Explore a city shaped by fragmented memories—relying solely on an old experimental radio to bend reality, repel entities, and fulfill an impossible promise. A psychological first-person survival horror with multiple endings.

    2027AdventureSteam ↗
  4. Victim Complex: Part 1

    WHY THIS

    Ranked #4 for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Protocol Non-Human.

    Use your wits and iconic ghost hunting equipment to uncover the mystery of what happened to the residents of an abandoned apartment complex in this narrative-driven horror experience.

    2024ActionIndieSimulationFreeDeck PlayableSteam ↗
  5. System Says Normal

    WHY THIS

    Ranked #5 for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries. Shares Indie with Protocol Non-Human.

    You were hired to watch. Not to ask questions. Night shift. Corporate building. Cameras, reports, anomalies. Your predecessor left no final report. Now you're going to find out why. Please proceed.

    2026IndieAdventureSteam ↗
  6. The Test: Secrets of the Soul

    WHY THIS

    Ranked #6 for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Protocol Non-Human.

    You will answer a series of questions that will reveal things from deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to unlock "Secrets of the Soul..."

    2023IndieAdventureSimulationFreeDeck VerifiedSteam ↗
  7. The Test: Hypothesis Rising

    WHY THIS

    Ranked #7 for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Protocol Non-Human.

    The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  8. Baisu

    WHY THIS

    Ranked #8 for Protocol Non-Human fans by collaborative filtering across millions of Steam libraries. Shares Indie with Protocol Non-Human.

    Step into the shoes of Detective Clay Kriest in "Baisu," a chilling tale of family, art, and the haunting unknown. As you arrive at the secluded residence of Maple Street 22, responding to an eerie call for help, you'll find yourself immersed in a quest shrouded in darkness.

    2024Indie9.99 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Protocol Non-Human.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Protocol Non-Human.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Protocol Non-Human.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Protocol Non-Human.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  6. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Protocol Non-Human.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  8. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Protocol Non-Human.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗

Frequently asked about Protocol Non-Human

What games are most similar to Protocol Non-Human?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Protocol Non-Human are Volcano Oden, Distant, Before the Silence Claims: In Absentia.
Who developed Protocol Non-Human?
Protocol Non-Human was developed by DreadGear Games.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Protocol Non-Human.

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