Rank 01Why this
Shares base building with Subnautica 2.
- $29.99 (Price checked Oct 18)
- Deck Verified
- 2018
The closest matches to Subnautica 2: Subnautica, Subnautica: Below Zero, No Man's Sky, Grounded, and Valheim. Ranked by imho.run from Steam co-play data, shared tags and reviews.
Rank 01Why this
Shares base building with Subnautica 2.
Rank 02Why this
Also Underwater and Survival Horror, like Subnautica 2.
Rank 03Why this
Shares base building and exploration with Subnautica 2.

Why this: Shares co op multiplayer and base building with Subnautica 2.

Why this: Shares base building and crafting with Subnautica 2.

Why this: Same atmospheric mood as Subnautica 2.


Shares survival mode and vehicle customization with Subnautica 2.

Players highlight
Games in the same vein priced at least 40% below Subnautica 2 at current Steam store prices.

Why this: Shares base building and crafting with Subnautica 2.

Why this: Shares base building with Subnautica 2.

Why this: Shares survival mode and co op multiplayer with Subnautica 2.


Why this: Shares base building and exploration with Subnautica 2.

Why this: Shares co op multiplayer and resource gathering with Subnautica 2.

Why this: Also Underwater and Survival Horror, like Subnautica 2.

Why this: Shares environmental storytelling with Subnautica 2.
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

Why this: Shares base building with Subnautica 2.

Why this: Also Underwater and Survival Horror, like Subnautica 2.

Why this: Shares base building and exploration with Subnautica 2.

Why this: Shares co op multiplayer and base building with Subnautica 2.

Why this: Shares base building and crafting with Subnautica 2.

Other recommendable Steam games by Unknown Worlds Entertainment, ranked by review count so the studio's hits land first.


Why this: Same atmospheric mood as Subnautica 2.

The closest matches to Subnautica 2: Subnautica, Subnautica: Below Zero, No Man's Sky, Grounded, and Valheim. Ranked by imho.run from Steam co-play data, shared tags and reviews.
If Subnautica 2 is your kind of game, the closest matches are Subnautica, Subnautica: Below Zero and No Man's Sky — picked from the ranked list below. Reviewers describe it as anxious, atmospheric and immersive, and single out its base building and co op multiplayer. 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.
Subnautica 2 is an underwater survival adventure from Unknown Worlds Entertainment, releasing in 2026 at $29.99 USD. Set on a newly revealed alien world, the game supports up to four players in cooperative play alongside solo options. Players explore open-world underwater environments, gathering resources to construct custom bases and craft tools needed for survival. The title carries Steam Deck Verified status and holds a 91 percent positive rating from over 110,000 Steam reviews. Available in Early Access, the experience combines survival horror elements with first-person exploration through action and adventure gameplay.
About 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 recommend it
A summary of what players say, not a promise you'll like it. Every signal is listed below.
The most up-voted negative English reviews in our sample, quoted as written.
“Do not buy this game. it is good but one look at the EULA and you will start to question the sanity of the devs. it has rules against streaming or any kind of clips online hinting they can revoke your access if they don't like your…”
“Amazing game so far, pity about the EULA. For all those saying this is boiler plate EULA: it shouldn't be. Be Better.”
People who play it also play: Subnautica, Subnautica: Below Zero, No Man's Sky
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.
Subnautica 2 is listed on Steam at 29.99 USD (current store price; Steam sales may reduce this temporarily).
Yes — Subnautica 2 supports multi-player play according to its Steam store listing (Multi-player, Cross-Platform Multiplayer, Online Co-op).
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Subnautica 2 are Subnautica, Subnautica: Below Zero, No Man's Sky.
Subnautica 2 was developed by Unknown Worlds Entertainment.