Games like Subnautica 2
Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.

Players who liked Subnautica 2 also play
Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.
- 1

Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 2

No Man's Sky
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 3

Left 4 Dead 2
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Satisfactory
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- 5

- 6

Don't Starve Together
Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.
- 7

Borderlands 4
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Alien: Isolation
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More from Unknown Worlds Entertainment
Other recommendable Steam games by Unknown Worlds Entertainment, ranked by review count so the studio's hits land first.
- 1

Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 2

Subnautica: Below Zero
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
- 3

Natural Selection 2
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
- 4

Moonbreaker
Moonbreaker is a turn-based strategy, tactical skirmish game. The game is designed to be a true digital miniatures experience, set in an expansive sci-fi universe crafted by Brandon Sanderson. Direct Captain and Crew in gripping, ever-changing competition and adventure.
- 5

Zen of Sudoku
From the creators of Natural Selection comes Zen of Sudoku, a relaxing, easy to play version of Sudoku for your PC.Relax with hand-painted Japanese-styled backgrounds, no timer and lush natural soundscapes.Stimulates your brain to keep it healthy and alert.
- 6

Future Perfect
Future Perfect breaks down the barrier between having an idea for a game, and playing it with friends. The Future Perfect interface allows you to create, play, and share multiplayer games quickly and easily.Games created with Future Perfect are published on Steam Workshop. You can browse, rate, and download games that interest you.
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
- 1

Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 2

No Man's Sky
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 3

Left 4 Dead 2
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
- 4

Satisfactory
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 5

Don't Starve Together
Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.
- 6

Borderlands 4
Borderlands 4 is a mayhem-fueled looter shooter, jam-packed with billions of weapons, deadly enemies, and intense co-op action. Break free from a dangerous hidden planet as one of four new badass Vault Hunters.
- 7

Alien: Isolation
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
Frequently asked about Subnautica 2
- Is Subnautica 2 verified for Steam Deck?
- Yes — Subnautica 2 is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
- Does Subnautica 2 have multiplayer or co-op?
- Yes — Subnautica 2 supports multi-player play according to its Steam store listing (Multi-player, Cross-Platform Multiplayer, Online Co-op).
- What games are most similar to Subnautica 2?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Subnautica 2 are Subnautica, No Man's Sky, Left 4 Dead 2.
- Who developed Subnautica 2?
- Subnautica 2 was developed by Unknown Worlds Entertainment.
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 Subnautica 2.
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