IMHO.

Games like Grey Lines

If Grey Lines is your kind of game, the closest matches are SurvivalEXtreme, King Assassination and Fight Crab 2 — 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.

Get personalized picks →

About Grey Lines: "Grey Lines" is a third person action conspiracy game. Play as Anna, a CIA agent, John, a detective, or Vic, a Navy Seal. Each has a specific set of tools and skills. Engage in stealth ops, investigations, and combat. Your choices shape your story. Navigate the grey lines and the stop global threat.

ActionAdventureWindowsby Creative Dn8
Grey Lines — Steam game cover

Players who liked Grey Lines also play

Steam players who put hours into Grey Lines 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. SurvivalEXtreme

    WHY THIS

    Top pick for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Action with Grey Lines.

    Enter a world devastated by the 2050 apocalypse. Fifty years later, humanity has returned… The war to reclaim Earth has begun, and only the bravest will be able to face the demons that now rule it. The world has fallen. Now it's your turn to rise.

    2023ActionIndieMassively Multiplayer34.99 USDSteam ↗
  2. King Assassination

    WHY THIS

    Second-strongest match for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Grey Lines.

    A fast-paced multiplayer deception game where Guards protect the King and Assassins hunt their target. Work together, deceive your enemies, identify threats, and strike at the perfect moment to claim victory.

    2026ActionIndieAdventure2.09 USDSteam ↗
  3. Fight Crab 2

    WHY THIS

    Third-strongest match for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Action with Grey Lines.

    Clash claws and flip opponents belly-up in physics-based crab battles! Combine dual-wielded weaponry with multiple fighting stances to create a custom fighting style. Bash, blast, scoop and pummel enemies onto their backs to achieve victory!

    2024ActionSportsIndie14.99 USDDeck PlayableSteam ↗
  4. Judgment

    WHY THIS

    Ranked #4 for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Grey Lines.

    Fight for the truth and uncover the twisted crime running deep beneath the surface of Tokyo. In this legal thriller , the balance between justice and mercy teeters on the edge.

    2022ActionAdventure39.99 USDDeck VerifiedSteam ↗
  5. Lost Judgment

    WHY THIS

    Ranked #5 for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Grey Lines.

    When a police officer discloses the murder of the student teacher who bullied his son to suicide, the twisted secrets of a Yokohama, high school bleed out. Nothing, in this case, is black and white.

    2022ActionAdventure59.99 USDDeck VerifiedSteam ↗
  6. Perfect Heist 2

    WHY THIS

    Ranked #6 for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Action with Grey Lines.

    Perfect Heist 2 is a round-based online game, where robbers try to hide in plain sight while robbing a bank without being noticed by the cop team!

    2021ActionStrategyIndie9.99 USDDeck PlayableSteam ↗
  7. Gears 5

    WHY THIS

    Ranked #7 for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Grey Lines.

    From one of gaming’s most acclaimed sagas, Gears is bigger than ever. With all-out war descending, Kait Diaz breaks away to uncover her connection to the enemy and discovers the true danger to Sera – herself.

    2019ActionAdventure29.99 USDDeck PlayableSteam ↗
  8. The Operator

    WHY THIS

    Ranked #8 for Grey Lines fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Grey Lines.

    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 ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Grey Lines.

    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 ↗
  2. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Grey Lines.

    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 ↗
  3. Dagon: by H. P. Lovecraft

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Grey Lines.

    Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.

    2021IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  4. 93, Kuindzhi

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Grey Lines.

    Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.

    2026IndieAdventureFree To PlayFreeSteam ↗
  5. No Results Found

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Grey Lines.

    Search, dig deeper, and search again. Can you reach the end of the truth?

    2026IndieAdventureSimulationFreeSteam ↗
  6. Saihate Station

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Grey Lines.

    An exploration/horror/adventure game about the codependent, love-hate relationship between two men.

    2025IndieAdventureRPGFreeDeck PlayableSteam ↗
  7. Crime Scene Cleaner: Prologue

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Grey Lines.

    When there’s a call, you are the man to clean up after your client’s dirty job. Siding with the mafia is a dangerous game, but they pay well, and you need money, right? So take your mop and better remove those bloodstains quickly before the police come.

    2024ActionSimulationFreeSteam ↗
  8. The Test: Secrets of the Soul

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Grey Lines.

    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 ↗

Plays great on Steam Deck

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

  1. Judgment

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Grey Lines.

    Fight for the truth and uncover the twisted crime running deep beneath the surface of Tokyo. In this legal thriller , the balance between justice and mercy teeters on the edge.

    2022ActionAdventure39.99 USDDeck VerifiedSteam ↗
  2. Lost Judgment

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Grey Lines.

    When a police officer discloses the murder of the student teacher who bullied his son to suicide, the twisted secrets of a Yokohama, high school bleed out. Nothing, in this case, is black and white.

    2022ActionAdventure59.99 USDDeck VerifiedSteam ↗
  3. The Operator

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Grey Lines.

    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 ↗

Frequently asked about Grey Lines

Does Grey Lines have multiplayer or co-op?
Yes — Grey Lines supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Shared/Split Screen PvP).
What games are most similar to Grey Lines?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Grey Lines are SurvivalEXtreme, King Assassination, Fight Crab 2.
Who developed Grey Lines?
Grey Lines was developed by Creative Dn8.

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 Grey Lines.

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