Subnautica: Below Zero

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The Expansion Pack is an upcoming paid DLC for Subnautica. The full release date is currently planned for early 2019.

Currently all that is known is that the Arctic Biome will be a large part of the game, possibly the entire map. It is also known that a weather system will be featured.

Based on a tweet from game director Charlie Cleveland, it is likely that the Arctic expansion will be a separate game mode as he has stated that the protagonist will be a currently unnamed female rather than Ryley Robinson.

Confirmed Features

Features that have been confirmed through various means.

• Arctic Biome
• Female Protagonist
• Weather System
• New Fauna, Flora, and Biomes

Potential Features

Features that the developers are still experimenting with that may not be in the final build.

• Rock Puncher
• Hovercraft vehicle
• Arctic Reefback
• Penguin-like creature
• "Pinnicarid" (Anomalocaris-like creature)
• Glowing whale-like creature

Gallery

• Rock puncher

  Developer Andreas Urwalek testing the Rock Puncher

• Glow whale

  Glow whale testing with a placeholder model

• Pingu

  Experimenting with a placeholder penguin-like creature model

• Pingu 2

  More experimentation with a placeholder penguin-like creature model

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  "Arctic Reefback" - by Alex Ries

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  Arctic squid-like creature (possibly penguin A) - by Alex Ries

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  "Alien Penguin B" - by Alex Ries

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  Unconfirmed whether "Alien Penguin C" or alien penguin B's juvenile form

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  "Pinnicarid" - by Alex Ries