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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.
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.
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 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.
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.
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.
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 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.
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 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.
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.
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.
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.
The Start Zone is the initial biome where players begin Subnautica 2 after the opening sequence. Unlike the original game's Safe Shallows, players arrive here after being propelled up from the deep ocean.
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.
The Fabricator is the central crafting station in Subnautica 2, converting raw materials into tools, equipment, food, water, and components.
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.
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 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 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.
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