Subnautica 2 Wiki

The Collector Leviathan is the first hostile leviathan-class creature in Subnautica 2, a squid-like predator with procedural tentacle physics, UE5 behavior tree AI, and a Cthulhu-inspired design revealed in Dev Vlog #3.

Creatures3/29/2026 7 min readMikoTanaka

Subnautica 2 supports full crossplay between PC (Steam, Epic, Microsoft Store), Xbox Series X|S, Steam Deck, and ROG Ally at Early Access launch. Uses Epic Online Services for cross-platform connectivity.

Technical3/24/2026 4 min readDarkwhispers

Complete guide to all biomes in Subnautica 2 on Planet Zezura. Covers dynamic weather, depth-based progression, environmental hazards, confirmed biomes (Start Zone, Kelp Forest, Coral Gardens, Sparse Plains, Jelly Plateaus, Overgrown Ruins, World Tree, VepZone, Void), biome discovery history, handcrafted design philosophy, biome-specific resources and creatures, Early Access expansion plans, cut biomes, and differences from previous Subnautica games.

World4/4/2026 9 min readDarkKnight_X

Complete guide to Planet Zezura, the alien ocean world in Subnautica 2. Covers all confirmed biomes (Coral Gardens, Kelp Forest, Jelly Plateaus, World Tree, Overgrown Ruins), surface conditions, the Blight bacterium, fauna, vehicles, the Biosampler genetic modification system, and connections to Planet 4546B lore.

World3/24/2026 6 min readMikoTanaka

The Tadpole is a modular one-pilot submersible in Subnautica 2 with a manta ray fin chassis design. Base crush depth of 200 meters. Featured in Dev Vlog 4.

Vehicles3/24/2026 5 min readTheRealMaverick

Subnautica 2 supports 1-4 player online co-op with cross-play between PC and Xbox. Uses peer-to-peer networking via Epic Online Services. All content completable solo.

Gameplay3/29/2026 6 min readluna

The Wakemaker (also called Wake Makers) is Subnautica 2's first wearable underwater booster system, replacing the handheld Seaglide from previous games. Body-worn for hands-free propulsion.

Vehicles3/24/2026 4 min readDarkwhispers

The Dive Elevator is a rideable platform vehicle in Subnautica 2 for vertical transport to the ocean depths. Multiple players can ride it together, and it hauls resources back to the surface.

Vehicles3/24/2026 4 min readDarkwhispers

The P.R.A.W.N. Suit (Pressure Re-Active Waterproof Nanosuit) is a bipedal exosuit designed for extreme deep-sea operations. Featured in the original Subnautica and Below Zero.

Vehicles3/24/2026 3 min readTheRealMaverick

The Trident is a vehicle that was cut from Subnautica 2's Early Access scope. It is referenced in the Collector Leviathan's internal design brief but its function and design have not been publicly detailed.

Development3/24/2026 2 min readTheRealMaverick

Complete story recap covering both Subnautica and Subnautica: Below Zero as essential backstory context for Subnautica 2. Covers the Aurora crash, Planet 4546B, the Kharaa bacterium, the Sea Emperor Leviathan cure, Robin Ayou's investigation into her sister's death, Al-An the Architect, and the events leading into Subnautica 2.

Lore3/29/2026 9 min readluna

Content cut from Subnautica 2's Early Access scope between 2023 and 2025, including the Trident vehicle, second story chapter, two biomes, and ecosystem restoration.

Development3/24/2026 2 min readDarkwhispers

Complete overview of Subnautica 2, the underwater survival adventure on Planet Zezura by Unknown Worlds Entertainment, headed to Early Access in May 2026.

General3/24/2026 5 min readDarkwhispers

Timeline and summaries of all five Subnautica 2 developer vlogs released between April 2025 and February 2026.

Media3/24/2026 3 min readDarkKnight_X

The full story of KRAFTON's acquisition of Unknown Worlds for $750 million, the firing of the founders, the 'Project X' task force, and the Delaware Chancery Court lawsuit.

Development3/24/2026 4 min readDarkwhispers

Subnautica 2's migration from Unity to Unreal Engine 5.5.4, including behavior trees, Control Rig, dynamic weather, and the new creature AI stimulus system.

Development3/24/2026 2 min readTheRealMaverick

The Seatruck is a modular vehicle from Subnautica: Below Zero. Its cab can attach multiple trailer-style modules in a chain, replacing both the Seamoth and Cyclops from the original game.

Vehicles3/24/2026 3 min readDarkwhispers

Leviathan-class organisms in the Subnautica franchise, from the 20-meter Sea Treader to the 200-meter Sea Emperor, and the Collector Leviathan in Subnautica 2.

Creatures3/24/2026 3 min readluna

Base building in Subnautica 2 has been overhauled with more connection points, greater placement freedom, and new structural pieces including support pillars, superconducting foundations, Half-Round Rooms, and Nooks.

Gameplay3/29/2026 5 min readluna

The Cyclops is the iconic large submarine and mobile base from the original Subnautica. At 54 meters long, it served as a mobile headquarters for deep-sea expeditions. It does not return in Subnautica 2.

Vehicles3/24/2026 4 min readMikoTanaka

Natural Selection is the Half-Life mod and standalone sequel that established Unknown Worlds Entertainment, attracting over 2 million downloads and leading to the creation of Subnautica.

History3/29/2026 4 min readDarkKnight_X

Complete timeline and roadmap for Subnautica 2's Early Access launch, development schedule, planned content updates, and monetization approach.

General3/29/2026 5 min readNeonDrift

Complete platform availability and PC system requirements for Subnautica 2, including confirmed platforms, supported languages, and hardware specifications.

Technical3/29/2026 4 min readwillowmist

The Blight is a mysterious organism spreading across Planet Zezura in Subnautica 2, disrupting the ecological balance of the alien ocean world and serving as a central narrative threat.

Lore3/29/2026 5 min readluna

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.

Creatures3/24/2026 5 min readluna

The Architects (Precursors) are an advanced alien civilization in the Subnautica universe who built the Quarantine Enforcement Platform, Disease Research Facility, and Primary Containment Facility on Planet 4546B.

Lore3/24/2026 3 min readTheRealMaverick

The Sea Emperor Leviathan is the last of its species in the original Subnautica, a 200-meter telepathic creature over 2,600 years old, voiced by Lani Minella.

Lore3/24/2026 4 min readDarkwhispers

The Kharaa bacterium is the alien pathogen central to Subnautica and Below Zero, responsible for killing 143 billion individuals across the Architects' civilization.

Lore3/30/2026 3 min readMikoTanaka

Ben Prunty is the composer for Subnautica 2, known for FTL: Faster Than Light, Into the Breach, and the previous Subnautica games.

People3/24/2026 2 min readMikoTanaka

Subnautica and Below Zero received Nintendo Switch 2 editions on February 17, 2026 with 1440p/60fps docked, 1080p/60fps handheld, and Joy-Con 2 mouse controls. Free upgrade for original Switch owners. Subnautica 2 has not been announced for Switch 2.

General3/24/2026 3 min readDarkKnight_X

The Seaglide is a handheld personal propulsion device from Subnautica and Below Zero that increases swimming speed. It is replaced by the Wakemaker in Subnautica 2.

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.

Equipment3/24/2026 3 min readMikoTanaka

The World Tree is a biome on Planet Zezura in Subnautica 2, identified from development file names. The name implies a massive organic structure forming the basis of an entire underwater ecosystem.

World3/24/2026 3 min readMikoTanaka

Seth Dickinson is the Senior Narrative Designer for Subnautica 2, known for writing Destiny's Books of Sorrow, the Baru Cormorant novel series, and Exordia.

People3/30/2026 3 min readDarkKnight_X

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.

Systems3/29/2026 6 min readMikoTanaka

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.

Gameplay3/29/2026 8 min readMikoTanaka

The PDA (Personal Digital Assistant) is the player's primary information device in all Subnautica games, serving as an encyclopedia, inventory tracker, and survival assistant.

Equipment3/24/2026 3 min readNeonDrift

The Degasi crew (Paul Torgal, Bart Torgal, and Marguerit Maida) were the first known survivors on Planet 4546B, whose abandoned bases and logs the player discovers in Subnautica.

Lore3/24/2026 2 min readTheRealMaverick

Enzyme 42 is the only known cure for the Kharaa Bacterium in the Subnautica franchise. It is naturally produced by the Sea Emperor Leviathan and its offspring.