IMHO.

Games like Sea Of Madness

If Sea Of Madness is your kind of game, the closest matches are Hadal, Battle Force 2249 and Abyss Crew — 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 Sea Of Madness: Sea of Madness is a cooperative survival-horror set aboard a submarine. Dive into the dark depths, manage critical ship systems, battle terrifying monsters, and work together to survive. Let the mystery consume you, just as the abyss consumes the light.

ActionIndieAdventureSimulationRPGWindowsby Dark Water Studios
Sea Of Madness — Steam game cover

Players who liked Sea Of Madness also play

Steam players who put hours into Sea Of Madness 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. Hadal

    WHY THIS

    Top pick for Sea Of Madness fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Sea Of Madness.

    Guide a Nereid Freight submarine crew through Europa’s hostile under-ice oceans. Deliver essential cargo, salvage wrecks, repair failing stations, hunt dangerous lifeforms, and survive in the crushing darkness where every dive carries risk — and nothing stays quiet for long.

    2026IndieAdventureSimulationSteam ↗
  2. Battle Force 2249

    WHY THIS

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

    A character RPG in a living galaxy. You're the disgraced last heir of the cartographers who mapped the Meridian — left for dead, quietly alive. Rebuild a ship that's truly yours, choose your factions, and pull the thread of a cover-up the Axiom Collective buried generations ago.

    ActionAdventureSteam ↗
  3. Abyss Crew

    WHY THIS

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

    Abyss Crew is a multiplayer coop game aboard a steampunk submarine. Each player is a member of the submarine crew - pilot, gunner, sonar, or engineer. Explore the abyss to find precious mineral - but beware, as sprawling menaces lurk in the darkness...

    2025IndieAdventureRPG9.99 USDSteam ↗
  4. Plasticalypse - Submarine Adventures

    WHY THIS

    Ranked #4 for Sea Of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Sea Of Madness.

    A journey of the last ocean cleaner submarine that is tasked to restore the ecosystem of a dying earth. "Plasticalypse: TrashSub Adventures“

    2021ActionAdventureCasual7.19 USDSteam ↗
  5. Barotrauma

    WHY THIS

    Ranked #5 for Sea Of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sea Of Madness.

    Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!

    2023ActionStrategyIndie17.49 USDDeck PlayableSteam ↗
  6. Darkwater

    WHY THIS

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

    Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.

    2026ActionStrategyIndie9.99 USDDeck PlayableSteam ↗
  7. The Trench

    WHY THIS

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

    As captain of the Pandora sub, you must explore the Trench and retrieve data from the Neptune wreckage. But beware - the trench is home to unimaginable horrors that will test your courage. Can you survive the terrors of the deep and complete your mission, or will you become the next victim?

    2022ActionIndieAdventure3.99 USDSteam ↗
  8. Subterror

    WHY THIS

    Ranked #8 for Sea Of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sea Of Madness.

    Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

    2025ActionIndieAdventure7.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. 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 Sea Of Madness.

    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 ↗
  2. Sheepy: A Short Adventure

    WHY THIS

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

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  3. Counter-Strike:Global Offensive

    WHY THIS

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

    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 ↗
  4. Dagon: by H. P. Lovecraft

    WHY THIS

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

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

    2021IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  5. Paper Lily - Chapter 1

    WHY THIS

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

    Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.

    2024IndieAdventureRPGFreeDeck VerifiedSteam ↗
  6. The Lab

    WHY THIS

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

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  7. Project Kat - Paper Lily Prologue

    WHY THIS

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

    Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.

    2021IndieAdventureRPGFreeDeck VerifiedSteam ↗
  8. 93, Kuindzhi

    WHY THIS

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

    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 ↗

Frequently asked about Sea Of Madness

Does Sea Of Madness have multiplayer or co-op?
Yes — Sea Of Madness supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
What games are most similar to Sea Of Madness?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Sea Of Madness are Hadal, Battle Force 2249, Abyss Crew.
Who developed Sea Of Madness?
Sea Of Madness was developed by Dark Water 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 Sea Of Madness.

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