Biomes (Subnautica) (2024)

This article is about the Biomes in Subnautica. Click here for information on this subject in Below Zero.

Read at own risk This article contains unmarked spoilers. Players new to the game would want to avoid or be cautious toward this article.

Subnautica features a wide range of Biomes to explore and exploit. They all represent miniature ecosystems from the real world.

There is a huge variety of Biomes, from the vibrant Kelp Forest to the sizzling depths of the enigmatic Lava Lakes. Each Biome contains its own set of Flora and Fauna to discover and resources to harvest.

Biomes

Aquatic Biomes

Islands

Cave Biomes

Mini-Biomes

Gallery

Trivia

• There were three unused biomes during Subnautica's development, not including unused Biome IDs. These three biomes were the Arctic (represented as a light blue on the biome map), Twisty Bridges (represented as a green-blue color on the biome map), and the Lilipad Islands, which never received an associated biome color or were ever placed on the biome map during development.
  • The arctic biome recieved a few unique objects for it, such as snowy rocks, sounds, and even an unused cold effect.
  • One of the Twisty Bridge regions actually appeared during development, and were seen in the first Early Access build. They also had a unique cut plant and unused reference models for the bridges.
  • The only thing the Lilypad Islands received were some models.
  • All three of these biomes were later repurposed for Below Zero.
• Early development footages of biome generation can be seen on a playlist from Russel Maekim's YouTube channel.
  • This includes the unused Twisty Bridges biome.
• The game considers the inside of an Observatory, Lifepod, Scanner Room, Alien Containment, and inside the aquarium in the Primary Containment Facility to be completelyseparate biomes.
• Early surface biome concepts were divided into Kelp Forest, Dense Kelp Forest, Sunny Kelp Forest, Coral Reef, Danger Reef, Safe Shallows, Grand Reefs, and Floating Islands.
• Early lava zone biome concepts were divided into Lava Zone, Lava Bridges, Inactive Lava Zones, and Thermal Vents.
• The Lava Lakes and the Crater Edge are the only biomes that do not contain any Flora.

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