IMHO.

Games like Kosmocean - The Endless Sea

If Kosmocean - The Endless Sea is your kind of game, the closest matches are Nia and The Abyss, Plasticalypse - Submarine Adventures and HydroTick: Water Reminder & Aquarium Manager — 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 Kosmocean - The Endless Sea: Adventure and submarine exploration game. Control your Bathyscaphe with the help of a logbook. Through the game puzzles, bullet-hell sequences, and skill-based challenges, you will be plunged miles and miles into the depths where the ocean seems to have no end.

2026AdventureWindowsby Warp Zone Corporation
Kosmocean - The Endless Sea — Steam game cover

Players who liked Kosmocean - The Endless Sea also play

Steam players who put hours into Kosmocean - The Endless Sea 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. Nia and The Abyss

    WHY THIS

    Top pick for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kosmocean - The Endless Sea.

    Nia and The Abyss is an Underwater Creature Collector, Cleanup, Farming, and Ecosystem Sim. Clean pollution, cultivate plants, attract and evolve marine life. Restoring balance to a responsive ocean.

    2026IndieAdventureSimulationSteam ↗
  2. Plasticalypse - Submarine Adventures

    WHY THIS

    Second-strongest match for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kosmocean - The Endless Sea.

    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 ↗
  3. HydroTick: Water Reminder & Aquarium Manager

    WHY THIS

    Third-strongest match for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries.

    Stay hydrated, relax, and build your dream aquarium! HydroTick reminds you to drink water at your chosen intervals, rewards you with coins, and lets you collect unique fish, rare decorations, and create a soothing aquatic world.

    2025SimulationCasual1.99 USDSteam ↗
  4. Dolphin Spirit: Ocean Mission

    WHY THIS

    Ranked #4 for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kosmocean - The Endless Sea.

    Explore the island of Maupiroa and discover its deep-sea secrets!

    2023AdventureSimulation24.99 USDDeck VerifiedSteam ↗
  5. City Of Corals

    WHY THIS

    Ranked #5 for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kosmocean - The Endless Sea.

    Save the coral reef city in this cute tiny adventure game! Meet the colourful residents of this underwater city, explore the streets, befriend different species of fish and help them restore the corals to their former glory!

    2026IndieAdventureSteam ↗
  6. Biolum

    WHY THIS

    Ranked #6 for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kosmocean - The Endless Sea.

    Biolum is a 30min VR sci-fi narrative experience. Dive to uncharted depths of the ocean and discover a beautiful world of bioluminescent creatures. But all is not what it seems. What lies beneath the surface?

    2021ActionIndieAdventure7.99 USDSteam ↗
  7. Botanicula

    WHY THIS

    Ranked #7 for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kosmocean - The Endless Sea.

    Humor-filled indie adventure game created by the makers of Machinarium and Samorost.

    2012IndieAdventureCasual14.99 USDDeck VerifiedSteam ↗
  8. Beyond Blue

    WHY THIS

    Ranked #8 for Kosmocean - The Endless Sea fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Kosmocean - The Endless Sea.

    Beyond Blue is a single-player narrative adventure that takes you deep into our planet’s beating blue heart. Explore the awesome wonder and unbounded mystery that exists within the world’s ocean.

    2020IndieAdventureSimulation19.99 USDDeck VerifiedSteam ↗

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.

    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 Kosmocean - The Endless Sea.

    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 Adventure with Kosmocean - The Endless Sea.

    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.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. Bongo Cat

    WHY THIS

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

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  6. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Kosmocean - The Endless Sea.

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

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

    WHY THIS

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

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Kosmocean - The Endless Sea.

    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 ↗

Plays great on Steam Deck

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

  1. Dolphin Spirit: Ocean Mission

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Kosmocean - The Endless Sea.

    Explore the island of Maupiroa and discover its deep-sea secrets!

    2023AdventureSimulation24.99 USDDeck VerifiedSteam ↗
  2. Botanicula

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Kosmocean - The Endless Sea.

    Humor-filled indie adventure game created by the makers of Machinarium and Samorost.

    2012IndieAdventureCasual14.99 USDDeck VerifiedSteam ↗
  3. Beyond Blue

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Kosmocean - The Endless Sea.

    Beyond Blue is a single-player narrative adventure that takes you deep into our planet’s beating blue heart. Explore the awesome wonder and unbounded mystery that exists within the world’s ocean.

    2020IndieAdventureSimulation19.99 USDDeck VerifiedSteam ↗

Frequently asked about Kosmocean - The Endless Sea

What games are most similar to Kosmocean - The Endless Sea?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Kosmocean - The Endless Sea are Nia and The Abyss, Plasticalypse - Submarine Adventures, HydroTick: Water Reminder & Aquarium Manager.
Who developed Kosmocean - The Endless Sea?
Kosmocean - The Endless Sea was developed by Warp Zone Corporation.

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 Kosmocean - The Endless Sea.

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