IMHO.

Games like PROTOCOL BOUND

If PROTOCOL BOUND is your kind of game, the closest matches are Legion Was Here, Telling Lies and Greyhat - A Digital Detective Adventure — 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 BOUND: BOUND is a psychological thriller where you search through private conversations, hidden files, and recordings on devices that aren't your own. Manipulate others, uncover dark secrets, and shape the outcome through the choices you make.

2026IndieAdventureSimulationWindowsby Pixel Team RED
PROTOCOL BOUND — Steam game cover

Players who liked PROTOCOL BOUND also play

Steam players who put hours into PROTOCOL BOUND 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. Legion Was Here

    WHY THIS

    Top pick for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with PROTOCOL BOUND.

    Steal a face. Study a life. Survive the conversation.

    2026IndieAdventureSimulationSteam ↗
  2. Telling Lies

    WHY THIS

    Second-strongest match for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with PROTOCOL BOUND.

    Four private lives. One big lie. Search through secretly recorded video conversations to discover the truth. The successor to the acclaimed Her Story.

    2019IndieAdventureSimulation4.99 USDSteam ↗
  3. Greyhat - A Digital Detective Adventure

    WHY THIS

    Third-strongest match for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with PROTOCOL BOUND.

    How far would you go to save your daughter? As an infamous hacker-for-hire you have the skills to steal almost any secret. But when your daughter is taken, will you be able to use these skills to uncover a dark conspiracy that goes further than you could ever imagine?

    2020IndieAdventureSimulation9.99 USDSteam ↗
  4. Sherlock Holmes: The Devil's Daughter

    WHY THIS

    Ranked #4 for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Adventure with PROTOCOL BOUND.

    Experience a fantastic adventure with unique gameplay that blends investigation, action and exploration in a breath-taking thriller that will test the limits of your nerves and intelligence. Play as the great detective and track down evil in the darkest corners of London and the human soul…

    2016ActionAdventure29.99 USDDeck VerifiedSteam ↗
  5. The Operator

    WHY THIS

    Ranked #5 for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with PROTOCOL BOUND.

    Welcome to the FDI. As our newest Operator, your role is to use your detective skills to assist our field agents and investigate mysterious crimes. Use cutting-edge FDI software to dig for clues, solve puzzles, and uncover the truth.

    2024IndieAdventureSimulation13.99 USDDeck VerifiedSteam ↗
  6. Post Mortem

    WHY THIS

    Ranked #6 for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Adventure with PROTOCOL BOUND.

    After returning to the quiet streets of Paris to pursue a life of painting, Gus Macpherson could not escape his true art…

    2011Adventure7.99 USDDeck VerifiedSteam ↗
  7. The Case of the Golden Idol

    WHY THIS

    Ranked #7 for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with PROTOCOL BOUND.

    A new kind of detective game that allows you to think and investigate freely. Discover clues surrounding 12 strange and gruesome deaths and build your own theory. Pick your suspect, deduce the motive, unmask the awful truth.

    2022IndieAdventure17.99 USDDeck VerifiedSteam ↗
  8. Freud's Bones-the game

    WHY THIS

    Ranked #8 for PROTOCOL BOUND fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with PROTOCOL BOUND.

    Infiltrate, rule and rescue the mind of the father of Psychoanalysis: Sigmund Freud, in this surreal and obscure adventure. Take control of his inner voice, choose his destiny, solve clinical cases, save or condemn your patients, all whilst trying to save Freud from himself.

    2022StrategyIndieAdventure10.99 USDSteam ↗

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 BOUND.

    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. Shares Adventure with PROTOCOL BOUND.

    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. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with PROTOCOL BOUND.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with PROTOCOL BOUND.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with PROTOCOL BOUND.

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. 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 BOUND.

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with PROTOCOL BOUND.

    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 ↗
  8. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with PROTOCOL BOUND.

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

    2022IndieFreeDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Sherlock Holmes: The Devil's Daughter

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with PROTOCOL BOUND.

    Experience a fantastic adventure with unique gameplay that blends investigation, action and exploration in a breath-taking thriller that will test the limits of your nerves and intelligence. Play as the great detective and track down evil in the darkest corners of London and the human soul…

    2016ActionAdventure29.99 USDDeck VerifiedSteam ↗
  2. The Operator

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with PROTOCOL BOUND.

    Welcome to the FDI. As our newest Operator, your role is to use your detective skills to assist our field agents and investigate mysterious crimes. Use cutting-edge FDI software to dig for clues, solve puzzles, and uncover the truth.

    2024IndieAdventureSimulation13.99 USDDeck VerifiedSteam ↗
  3. Post Mortem

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with PROTOCOL BOUND.

    After returning to the quiet streets of Paris to pursue a life of painting, Gus Macpherson could not escape his true art…

    2011Adventure7.99 USDDeck VerifiedSteam ↗
  4. The Case of the Golden Idol

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with PROTOCOL BOUND.

    A new kind of detective game that allows you to think and investigate freely. Discover clues surrounding 12 strange and gruesome deaths and build your own theory. Pick your suspect, deduce the motive, unmask the awful truth.

    2022IndieAdventure17.99 USDDeck VerifiedSteam ↗

Frequently asked about PROTOCOL BOUND

What games are most similar to PROTOCOL BOUND?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside PROTOCOL BOUND are Legion Was Here, Telling Lies, Greyhat - A Digital Detective Adventure.
Who developed PROTOCOL BOUND?
PROTOCOL BOUND was developed by Pixel Team RED and published by Pixel Team RED, FreeMind S.A..

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 BOUND.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.