IMHO.

Games like Subsurface

If Subsurface is your kind of game, the closest matches are Hold The Line, Mimic and Backrooms Cycle — 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 Subsurface: A co-op underwater horror game where you and your crew descend into the depths to recover resources, meet your quota, and survive what lurks below.

ActionIndieAdventureEarly AccessWindowsby Tyler Powell Studios
Subsurface — Steam game cover

Players who liked Subsurface also play

Steam players who put hours into Subsurface 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. Hold The Line

    WHY THIS

    Top pick for Subsurface fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Subsurface.

    The power core is failing. You are humanity's last line of defense. Hold the line in this brutal 4-player co-op zombie survival FPS. Reinforce barricades, upgrade your arsenal, and fight through increasingly deadly waves of zombies alone or with friends. How long can you hold the line?

    2026ActionIndieAdventure8.99 USDSteam ↗
  2. Mimic

    WHY THIS

    Second-strongest match for Subsurface fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Subsurface.

    Deduce who you can trust in this asymmetrical online survival horror game for up to 10 players. Solve the objectives, survive the killer Android hunting you, and hunt from the shadows as the Mimic; a shape-shifting terror hiding amongst you.

    2026ActionIndieAdventureSteam ↗
  3. Backrooms Cycle

    WHY THIS

    Third-strongest match for Subsurface fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Subsurface.

    Backrooms Cycle is an immersive exploration RPG/FPS horror set in the backrooms. You will explore and scavenge, build up your arsenal and gain powerful perks. Decide if you want to rescue fellow scientists, build an outpost in the poolrooms or just care about yourself.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  4. Facility 37

    WHY THIS

    Ranked #4 for Subsurface fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Subsurface.

    Explore an abandoned research facility, uncover evidence of horrific experiments, and escape alive. Complete randomized objectives with your team while evading bio-engineered threats in this atmospheric co-op horror experience.

    ActionIndieAdventureSteam ↗
  5. System Shock 2: 25th Anniversary Remaster

    WHY THIS

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

    System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.

    2025ActionAdventureRPG29.99 USDDeck VerifiedSteam ↗
  6. NO BACKUP

    WHY THIS

    Ranked #6 for Subsurface fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Subsurface.

    Escape together or die alone. In this intense co-op bodycam horror game, you and your team are hunted by a relentless creature. Communicate, stay quiet, and fight to survive. Every move counts. Every sound could be your last.

    2026ActionIndieEarly Access8.99 USDDeck PlayableSteam ↗
  7. SO BELOW

    WHY THIS

    Ranked #7 for Subsurface fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Subsurface.

    Gear up, hunt, adapt, survive. Engage in a co-op survival horror experience with up to 4 players online. Explore the haunted location, find the clues and tools needed to complete the ritual and defeat the entity. Will you be able to survive?

    2022ActionIndieAdventure18.99 USDDeck PlayableSteam ↗
  8. Deep Rock Galactic: Rogue Core

    WHY THIS

    Ranked #8 for Subsurface fans by collaborative filtering across millions of Steam libraries. Shares Action and Early Access with Subsurface.

    DEEP ROCK GALACTIC: ROGUE CORE is a 1-4 player co-op FPS action roguelite featuring sci-fi dwarves, alien horrors and procedurally-generated caves. Join the elite dwarven Reclaimers and fight through perilous mining facilities infested with deadly Corespawn. For Rock and Stone!

    2026ActionEarly Access29.99 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 Subsurface.

    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 Action and Adventure with Subsurface.

    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 Action and Indie with Subsurface.

    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 and Adventure with Subsurface.

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

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

    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 ↗
  6. STRAFTAT

    WHY THIS

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

    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 ↗
  7. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗
  8. Counter-Strike:Global Offensive

    WHY THIS

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

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗

Frequently asked about Subsurface

Does Subsurface have multiplayer or co-op?
Yes — Subsurface supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
What games are most similar to Subsurface?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Subsurface are Hold The Line, Mimic, Backrooms Cycle.
Who developed Subsurface?
Subsurface was developed by Tyler Powell Studios.

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 Subsurface.

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