Subnautica: Below Zero

The resemblance to Subnautica is about as close as this list gets: they line up on genre, combat and game mode. The common ground extends to base building and a first-person view.
Same studio: Unknown Worlds Entertainment.

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We filtered the 26 games similar to Subnautica down to the 13 that fit the “Multiplayer” category. Subnautica: Below Zero, Green Hell and Sons Of The Forest top the list, ranked by affinity and similarity score to Subnautica.
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Within the “Multiplayer” category, the closest game to Subnautica is Subnautica: Below Zero — scoring 95/100 on our similarity scale. Green Hell and Sons Of The Forest follow close behind.
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Handpicked by our similarity algorithm, these are the titles with the highest gameplay match to Subnautica. Each one has been evaluated across 16 real attributes — from combat style and progression mechanics to world structure and visual perspective — so every recommendation is based on how the game actually plays, not just its genre label.

The resemblance to Subnautica is about as close as this list gets: they line up on genre, combat and game mode. The common ground extends to base building and a first-person view.
Same studio: Unknown Worlds Entertainment.

The resemblance to Subnautica is about as close as this list gets: they line up on genre, combat and tone. Both also lean on exploration and discovery, and multiplayer gameplay. The distance is in game mode and setting — its own ground is co-op play.

What brings it close to Subnautica is strong narrative focus, open world exploration and melee combat, and the two track each other on genre, combat and world. To that it adds crafting mechanics and a first-person view. They part company on tone and game mode: this one brings dark, oppressive atmosphere and co-op play.
Released 6 years after Subnautica.

On paper it is what Subnautica is — strong narrative focus, open world exploration and horror setting — though the resemblance is mostly at that level. To that it adds exploration and discovery, and single-player focus. They part company on visuals and tone: this one brings dark, oppressive atmosphere and post-apocalyptic world.

On paper it is what Subnautica is — strong narrative focus, melee combat and horror setting — though the resemblance is mostly at that level. The common ground extends to multiplayer gameplay. Where the two diverge is visuals and tone: dark, oppressive atmosphere and a third-person camera.

Same family as Subnautica: strong narrative focus, melee combat and horror setting. The common ground extends to multiplayer gameplay. Where the two diverge is visuals and tone: dark, oppressive atmosphere and co-op play.

Genre puts it alongside Subnautica, and so does strong narrative focus, melee combat and horror setting. The common ground extends to crafting mechanics and single-player focus. Where the two diverge is visuals and progression: dark, oppressive atmosphere and ranged combat.

Genre puts it alongside Subnautica, and so does strong narrative focus, melee combat and horror setting. To that it adds multiplayer gameplay. They part company on visuals and tone: this one brings dark, oppressive atmosphere and ranged combat.

Same family as Subnautica: strong narrative focus, open world exploration and melee combat. The common ground extends to exploration and discovery, and single-player focus. Where the two diverge is visuals and progression: dark, oppressive atmosphere and stealth mechanics.

Shelved next to Subnautica for good reason: strong narrative focus, melee combat and horror setting. The common ground extends to single-player focus. Where the two diverge is visuals and game mode: dark, oppressive atmosphere and offline play.
It predates Subnautica by 14 years, with what that implies technically.

Same family as Subnautica: strong narrative focus, melee combat and horror setting. Both also lean on single-player focus. The distance is in visuals and tone — its own ground is dark, oppressive atmosphere and offline play.

The genre is the same as Subnautica’s, and with it strong narrative focus, horror setting and single-player focus. They part company on visuals and setting: this one brings dark, oppressive atmosphere and a mythological setting.

On paper it is what Subnautica is — strong narrative focus, melee combat and horror setting — though the resemblance is mostly at that level. Both also lean on multiplayer gameplay. The distance is in world and progression — its own ground is dark, oppressive atmosphere and procedural generation.
Released 5 years after Subnautica.
Found one on the list you already love? Open its own list: the games that play most like it, ranked, with the reason for each.
If Subnautica left you wanting more, this is where you narrow it down. Was it the sandbox or the sci-Fi that hooked you? There is a list of just that. And if you play on Nintendo Switch, PS5, PlayStation and Xbox, filter by platform and skip the games you could not play anyway.
Sometimes what you want is not a Subnautica look-alike but simply the best Survival Horror Games there are. That is what these rankings are for: no comparison to anything, just the highest-rated games. And if you feel like widening the net, the Survival Games ranking is a good way to run into something you were not expecting.