40 Fun Facts About Subnautica: Below Zero

Which intelligent creature in Subnautica: Below Zero swims up to divers and steals the tool they are holding?

Sea Monkey thieves chirp and wiggle their fingers before they charge, so a diver who puts the tool away in time loses nothing.

Which modular vehicle in Subnautica: Below Zero tows add-on compartments behind its cab like an undersea train?

Seatruck modules can be dropped at any moment, letting the small cab slip into narrow caves or outrun a predator.

Which furry, flippered creature of Below Zero waddles in groups on the ice and dives headfirst to hunt fish?

Pengwing beaks open sideways instead of up and down, and the adults stay peaceful unless a diver grabs or harms one of the colony.

Where does the alien Al-An store its mind when its failing sanctuary runs out of power in Below Zero?

Robin's brain became the lifeboat after she offered her PDA, which turned out to be no use as storage for a living alien mind.

In which Below Zero biome does Robin Ayou's Drop Pod land, making it the first area players explore?

Shallow Twisty Bridges is the starting point, an open reef of colourful coral where the pod can come down in one of three spots.

What strikes Robin Ayou's shuttle on its approach to planet 4546B, ejecting her Drop Pod in Below Zero?

A meteor clips the shuttle and throws the pod clear, and a parachute then lowers it to become Robin's first shelter.

Which gentle leviathan in Subnautica: Below Zero lets players ride on its back and pet it near the eye?

Glow Whale skin lights up for a moment wherever it is petted, and the animals cruise slowly in groups, sometimes breaching the surface.

Which land vehicle in Subnautica: Below Zero cannot work on water and needs an upgrade module to jump?

Snowfox riders build it on a Hoverpad, and if it tumbles into the sea they can simply pick it up and set it down again.

What did Unknown Worlds first plan Subnautica: Below Zero to be before the project's scope expanded?

A DLC pack for the 2018 original was the plan, and the finished game was later relabelled from sequel to spin-off once Subnautica 2 was announced.

Which Subnautica: Below Zero biome is thick with Creepvines, where seal-like Pinnacarids hunt small fish?

Arctic Kelp Forest wildlife is mostly passive, which makes the biome a gentle first stop, and it hides a cave system of its own.

Which Below Zero biome's seabed is scarred with trenches where great chunks of ground were torn away and lifted?

Lilypad Islands float above those trenches, held up by the giant plants that tore them loose, and a cavern opens beneath the largest floating mass.

Which Below Zero biome has yellow, perforated plateaus and green pools where Lithium and Salt Deposits collect?

Purple Vents fumaroles spew a violet material that burns anyone who drifts close, and a Chelicerate circles above the eastern crevice.

Which Below Zero biome is patrolled by two Chelicerates and supplies the Spiral Plant used for Synthetic Fibers?

Tree Spires takes its name from the giant branching hydrothermal coral that fills it, and its southern floor slopes off into the deep.

Which deep biome in Subnautica: Below Zero serves as the only entrance to the Fabricator Caverns?

Crystal Caves bristle with giant violet growths on floor and ceiling, and the trenches cut into the bottom are rich in Kyanite and Gold.

Which Below Zero biome holds the Phi Robotics Center and the dig where a frozen leviathan was found?

Glacial Basin is the second-largest outdoor area on the map, a rocky bowl walled in by tall icy cliffs and crossed by rivers and waterfalls.

At which Below Zero biome does Robin Ayou sabotage a Communications Tower to blind Alterra's satellites?

Delta Island is also where Robin first runs into a wary fellow castaway, and its hot springs keep visitors from freezing.

Which lifeless biome rings the whole map of Subnautica: Below Zero before dropping away into the Water Void?

World Edge terrain ends in a sheer drop, and beyond it three Void Chelicerates appear one after another to hunt anyone who strays.

In which ice-roofed biome of Below Zero is drowning the main threat, as few gaps open to the surface?

Sparse Arctic ice shelves seal off most of the surface, and the sandy seabed beneath them touches seven neighbouring biomes.

What name is given to the frozen region of planet 4546B where the Subnautica spin-off starring Robin Ayou is set?

Sector Zero can be glimpsed from orbit in the first game's ending, as the escape rocket circles the planet.

Which horned leviathan ambushes travellers in the Arctic Spires of Below Zero, drawn to the vibrations they make?

Ice Worm horns are super-heated, melting a path so the animal can tunnel, and a jet of steam marks where one is moving below.

Which black, red-spotted predator relentlessly hunts divers in the Fabricator Caverns of Below Zero?

Shadow Leviathan numbers come to just four on the whole map, and the luminous blue mouth on its underside is flanked by seven pairs of clawed limbs.

Which passive leviathan in Below Zero grows plants inside a huge transparent bell that divers can swim into?

Ventgarden adults park over hydrothermal chimneys to feed on the nutrient-rich water, then blow the excess out of the top hard enough to lift a swimmer.

Which large, disc-shaped fish in Below Zero has a gap through its middle that divers use to top up oxygen?

Titan Holefish share that hollow with Symbiotes, small fish that lay their eggs in its gel and mob anything that comes near their host.

Which small Below Zero predator spits a supercooled liquid that encases its prey, or a diver, in ice?

Brinewing fins fan out to shed warmth and keep the liquid in its bladder cold, and a frozen diver is left helpless and slowly sinking for several seconds.

Which Thermal Spires predator in Below Zero was designed for the first Subnautica, scrapped, and later revived?

Rock Puncher clubs hammer the seabed to dig out the grubs it eats, and the boulder it tosses aside can be cracked open for metals.

Which playful pet in Below Zero hatches from rare blue or gold eggs, echoing the first game's Cuddlefish?

Trivalve eggs number only six on the whole map, so hatching one of the three-eyed companions takes some searching.

What kind of creature is Preston, the tame pet who blocks a doorway inside a survivor's seabase in Below Zero?

Snow Stalker adults stand as tall as the biggest polar bears, but Preston is a half-grown one who greets Robin by jumping on her.

Which hazardous formations hang beneath icebergs in Below Zero and freeze any fish that touch them?

Brinicles keep growing until they shatter, and a knife can break one sooner to free a creature trapped inside.

Which abandoned Alterra dig in Below Zero is entered through a half-open door 150 metres underwater?

Koppa Mining Site mixes natural caves with shafts cut by Alterra, and its chambers hold the fragments for the Prawn Suit and its drill arm.

What is the profession of Robin Ayou, who smuggles herself onto planet 4546B in Subnautica: Below Zero?

Xenologist Robin studies alien life for a living, and she can slip onto the planet only because Alterra has just pulled all its staff out.

What does Robin Ayou fabricate for Al-An at an alien facility near the end of Subnautica: Below Zero?

A new body is assembled piece by piece from scans of an alien skeleton, tissues and organs gathered across the map.

Where do Robin Ayou and Al-An travel together through a phasegate at the end of Subnautica: Below Zero?

The Architect homeworld is where Al-An hopes to learn what became of its people and to atone for its part in the Kharaa outbreak.

Which survivor of the Degasi, a ship lost in the first Subnautica, turns up alive and wary in Below Zero?

Marguerit Maida was last seen clinging to the Reaper Leviathan that wrecked her crew's deep-sea base, a jagged piece of metal stuck in its neck.

What cause did Alterra officially give for the death of Robin Ayou's sister Sam in Subnautica: Below Zero?

Employee negligence was the verdict because Alterra could not work out what had caused the fatal cave-in, a finding that sent Robin to investigate.

What did Sam Ayou stash in a hidden cave, later used by her sister on a frozen leviathan in Below Zero?

An antidote to the Kharaa bacterium was Sam's secret, and loading it into the injector beside the creature's head clears the infection from its skin.

Which tool do players need to open most rooms of the Mercury II, the three-part shipwreck in Below Zero?

Laser Cutter beams slice through the wreck's sealed doors, and crew logs inside hint that the ship was shot down just as the Aurora was.

Which remote-controlled drone, invented by Sam Ayou, squeezes into gaps too small for players in Below Zero?

Spy Pengling drones carry a small robotic arm and room for four items, though static creeps into the picture as they near their 80-metre range.

What must players craft to work the Alterra bridge that links the Glacial Bay to the Arctic Spires in Below Zero?

Hydraulic Fluid only becomes craftable after scanning a fragment on the bridge itself, and the one other way in is a tunnel sealed by ice from the far side.

What first leads Robin Ayou to the alien sanctuary where she meets Al-An in Subnautica: Below Zero?

A distress signal had been going out for many years, with pillars flashing the call in Morse code, yet nobody before Robin had managed to get inside.

How did Subnautica: Below Zero first reach players on Steam in January 2019?

In early access the unfinished game was sold while development carried on, and the finished version reached consoles and computers together in May 2021.