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Collector Leviathan
A massive cephalopod leviathan. The Collector in Subnautica 2, its sonar, and how to avoid it.
DNA Evolution
The new bio-sampler system in Subnautica 2. How DNA evolution lets you adapt to the deep.
Marrowbreach
An apex predator in Subnautica 2. What the Marrowbreach is and how dangerous it gets.
Sparse Plains
The shallow starter biome of Subnautica 2. The Sparse Plains, its depth, and what you find there.
Standard Air Tank
The first oxygen upgrade in Subnautica 2: the Standard Air Tank adds 30 seconds of air for deeper dives.
Tadpole
The Tadpole submersible in Subnautica 2: the cheap, customizable single-seat sub you build first.
Titanium
The backbone crafting material in Subnautica 2. Where Titanium comes from and why you always need it.
Copper
The electronics resource in Subnautica 2: Copper gates your first battery and every tool that needs power.
Creature Tiers
How Subnautica 2 classifies its fauna: predator, carnivore, herbivore, and passive tiers.
Graveyard
A deep, eerie biome in Subnautica 2. The Graveyard, its depth range, and its dangers.
Hammerhead
The Hammerhead in Subnautica 2: a territorial ramming herbivore that reacts to proximity, not sight.
High Capacity Air Tank
The upgraded oxygen tank in Subnautica 2: the High Capacity Air Tank pushes you to 120 seconds of air.
Tadpole Chassis
The Tadpole chassis variants in Subnautica 2: how the Scout Ray and Haul bodies change the sub.
Void Leviathan
The open-water pack hunter. The Void leviathan in Subnautica 2 and why you should not stray too far out.
Co-op Multiplayer
Subnautica 2 co-op: up to four players, cross-platform, and how it works with solo play.
Fins
The swim-speed equipment in Subnautica 2: Basic and Improved Fins for faster, more efficient diving.
Nibbler
The Nibbler in Subnautica 2: a small pack-feeding omnivore that swarms early divers.
Plateaus
A mid-depth biome in Subnautica 2. The Plateaus, its depth band, and what to expect.
Quartz
The glass feedstock in Subnautica 2: Quartz is the abundant shallows mineral you refine into Glass.
Tadpole Modules
Tadpole upgrade modules in Subnautica 2: depth, stealth, efficiency, charging, and armor.
Crafting
How crafting works in Subnautica 2: the Fabricator, Modification Station, Processor, and Habitat Builder.
Prawn Suit
The Prawn Suit in Subnautica 2: the returning mech walker, announced for the Early Access 1.1 update.
Silver
The electronics-grade metal in Subnautica 2: Silver is the gate to your first air tank and the Wavemaker.
Thermal Spires
The deep volcanic biome of Subnautica 2. The Thermal Spires, its extreme depth, and its rewards.
Biomods
Biomods in Subnautica 2: the active and passive bio-engineered abilities you unlock by scanning life.
Lead
The shielding metal in Subnautica 2: Lead, found as galena in the deeper canyons, for radiation-grade parts.
Blight
The Blight in Subnautica 2: the parasitic threat that drives the survival-horror tension of the deep.
Glass
The refined building material in Subnautica 2: Glass, processed from Quartz for windows, vehicles, and electronics.
Food & Water
The survival loop in Subnautica 2: food and water deplete on Survival mode and must be replenished or you die.
Base Energy
How seabases stay powered in Subnautica 2: solar panels, bioreactors, and thermal plants feeding oxygen and appliances.
Air Bladder
A rapid flotation bladder for emergency ascents that can also supply air to nearby divers.
Bioscanner
Analyzes Axum technology and Protean biology to generate alien blueprints and biomods.
Feedback Resonator
A modified resonator that uses a bacterial feedback system to shatter hardened biomolecules.
Flashlight
A handheld LED light source for the dark depths.
Habitat Builder
Fabricates habitat compartments, appliances, and external facilities from raw materials.
Repair Tool
A combination scanner and portable fabricator that repairs vehicles, bases, and systems.
Scanner
Scans creatures, wrecks, and fragments to fill your databank and unlock fabrication blueprints.
Sonic Resonator
An industrial phased-array sound amplifier used to break mining deposits.
Survival Multitool
The standard pioneer tool for harvesting tougher materials.
Wakemaker
Arm-mounted jets for fast underwater maneuvering, at the risk of shoulder strain.