Subnautica 2 Wiki

Alterra Corporation is the interstellar Trans-Gov sponsor of the Subnautica 2 Zezura colonization mission. Confirmed in-game via the Ship AI, opening sequence, and Voices From Beyond audio drama. The Alterra Pioneer Recruitment campaign launched May 2, 2026.

The no-weapons philosophy is a core design pillar of Subnautica 2. Leviathans cannot be killed, the knife is replaced by a cutting tool, and survival depends on evasion and adaptation rather than combat.

The dynamic weather system in Subnautica 2 affects ocean currents, visibility, and creature behavior in real time. First weather system in the franchise, previewed in Dev Vlog 1.

The Waterslug is a creature in Subnautica 2, revealed through a Time Capsule ARG in July 2024 where developers hid close-up screenshots in the original Subnautica. Features long eyes and a translucent body.

The Scanner in Subnautica 2 is a starting handheld tool with new radar functionality for locating resources and scannable objects across the ocean moon Proteus.

The Overgrown Ruins is a biome on the ocean moon Proteus in Subnautica 2 featuring ancient structures overtaken by marine life. The ruins suggest a past civilization's presence, potentially the Architects.

Voices From Beyond is a five-episode short-form audio drama produced by Unknown Worlds Entertainment as a narrative bridge to Subnautica 2's Early Access launch. The series concluded with Episode 5 "Mayday" on March 26, 2026.

The Great Jaw (nicknamed Clamthulu): the stationary giant-clam Leviathan from Subnautica 2's trailer, its trap mechanic, how to scan it safely, and where to find it.

Survival mechanics in Subnautica 2 including the inverted deep-start opening, decimal inventory, DNA adaptation, no-weapons policy, co-op survival, and the Blight environmental threat.

Crafting and resource gathering in Subnautica 2, including the decimal inventory system, resource-specific nodes, Scanner radar, dual progression paths, and co-op shared blueprints.

The Angel Comb is a large sessile Bloom-class flora organism in Subnautica 2 and the in-game source of Adaptations. Each coloured bulb grants one permanent DNA upgrade and is consumed on use.

VepZone is a biome on the ocean moon Proteus in Subnautica 2, identified from development file names. Its purpose, appearance, and contents are entirely unknown.

Flares are throwable light sources in Subnautica 2 used to distract hostile creatures by exploiting the stimulus-based AI system. The primary confirmed evasion tool against the Collector Leviathan.

The Hammerhead is an alien creature inhabiting the oceans of the ocean moon Proteus in Subnautica 2. It has a broad, laterally extended head and is highly territorial and aggressive toward larger lifeforms.

The Jelly Plateaus is a biome on the ocean moon Proteus in Subnautica 2 featuring flat elevated terrain with jellyfish-themed elements. Identified from development file names.

The Fabricator is the central crafting station in Subnautica 2, converting raw materials into tools, equipment, food, water, and components.

The creature-scanned active and passive ability system in Subnautica 2: all 15 BioMods, the four starters, how the Bioscanner unlocks the rest, and loadout advice.

Jubilee is a rebel faction of earlier survivors on Proteus in Subnautica 2, led by Nahema Nakota and fixated on the World Tree. It is presented as in-world lore of medium confidence in the Early Access build.

Resource nodes in Subnautica 2 are material-specific gathering points that replace the randomized breakable outcrops from previous games. Combined with the decimal inventory system for precise resource tracking.

Karakorum is the second major region of Proteus in the Subnautica 2 Early Access build, roughly 1,000 m east of the starting area and reaching about 827 m deep. It holds an Axum observatory and a power plant.

The Deepwing Brooder is a large, docile egg-laying leviathan in the Subnautica 2 Early Access build. Unlike the other leviathans it poses effectively no threat, and is notable for its scale rather than its danger.

The Tadpole Pens are an abandoned habitat and story location in Subnautica 2, gated behind the Heat Tolerance adaptation and a keycode-locked door. Despite the shared name, it is distinct from the Tadpole vehicle.

Subnautica 2 ships with two game modes in the Early Access build: Survival, which runs the four survival meters and blueprint unlocks, and Creative, which switches them off for free building and exploration.

The Foureye is an aggressive non-leviathan predator in Subnautica 2, reported to be born in twin pairs. It has very low health, but with no weapon available to exploit that, evasion remains the response.

A getting-started guide to Subnautica 2: early resources, food, water and oxygen, first BioMods and Adaptations, base building, unlocking the Tadpole, and common mistakes to avoid.

The Coral Crab is a large crustacean of the Coral Gardens region in Subnautica 2, able to damage vehicle hulls. Its leviathan-class label is disputed, so this page treats it as a large crustacean.

Start Zone is an authoring name on this wiki for where Subnautica 2 begins: the deep awakening room and Lifepod launch, and the Shallows around the Lifepod once the pod surfaces.

Blueprints and scanning form the core progression system of Subnautica 2: most recipes are unlocked by scanning fragments found in wrecks and debris rather than being handed to the player.

The Marrowbreach is a large, aggressive shark-like predator of the Coral Gardens region in Subnautica 2, named in the June 1, 2026 Hotfix 3 patch notes and known for hunting alongside the Houndgar.

The heat barrier is the 80 degree Celsius environmental gate in Subnautica 2 that blocks progress into the hottest zones until the player gains the Heat Tolerance Adaptation.

The Needler Mango is described as the highest-threat non-leviathan predator in Subnautica 2. It is territorial and reported to attack with ranged tusk or needle projectiles rather than close-range bites.

The Tongue Thief is a small passive crustacean parasite in Subnautica 2, found in swarms around the runoff pools of the Karakorum Metal Farms, where it parasitises the Epicurean from inside its host's mouth.

The Houndgar is a small squid-like creature in Subnautica 2 that hunts in squads alongside the Marrowbreach, dazzling prey with bright flashes. Sampling one contributes to the Chum Cloud biomod.

The Bio Lab is the base module in Subnautica 2 where BioMods are produced from collected DNA, equipped and swapped. It handles the reversible side of body modification, unlike permanent Adaptations.

The Cerathecan in Subnautica 2: a passive shelled crustacean that grazes the seafloor, the databank mystery of its genome-less shell, and where to find it.

The Nibbler Mango is a mid-sized, aggressive pack hunter found in the Coral Gardens of Subnautica 2. Scanning one unlocks the Slow Metabolism biomod, and Hotfix 3 rebalanced the species in five ways.

The Bloom Parasite in Subnautica 2: a virus-infected cephalopod that spreads the Bloom to larger predators, where it appears, and how a resonator pulse deals with it.

The Halfmoon in Subnautica 2: the most versatile edible moon fish, its recipes including Halfmoon Jerky and Threemoon Temaki, its databank entry, and where it schools.

The Feedback Resonator in Subnautica 2: the upgraded Sonic Resonator that fires a ranged blast, where its fragments are found, what it costs to build, and what it is used against.

The Bioscanner in Subnautica 2: the upgraded Scanner that reads Axum technology and native biology, unlocks BioMods at a Bio Lab, and opens passive BioMod slots.