SUBNAUTICA / SURVIVAL SYSTEMS
Survival Systems
Oxygen, pressure, power, navigation, radiation and safe dives.
12 entries · Reviewed 2026-10-28
ORIGINAL SUBNAUTICA ENCYCLOPEDIA
Survival Systems reference library
Search topics and follow highlighted terms to other internal Volpedia explanations.
12 of 12 entries
EXPLORATION · REFERENCE
Oxygen Budget
Oxygen is a time limit on every dive outside breathable air or a vehicle with functioning life support.
EXPLORATION · REFERENCE
Depth Rating
Vehicles are rated for certain water depths and can be upgraded with appropriate modules.
EXPLORATION · REFERENCE
Beacon Navigation
Beacons provide reusable visual landmarks when terrain looks similar.
EXPLORATION · REFERENCE
Power Management
Batteries and power cells limit some travel and tool usage.
EXPLORATION · REFERENCE
Cave Navigation
Tight, dark caves create orientation and oxygen risks.
EXPLORATION · REFERENCE
Vehicle Noise
Cyclops movement and systems can affect how threats detect and approach it.
EXPLORATION · REFERENCE
Radiation Hazard
The Aurora's damaged reactor initially contaminates some nearby waters.
EXPLORATION · REFERENCE
Creature Avoidance
Many threats can be bypassed safely with distance, cover and deliberate timing.
EXPLORATION · REFERENCE
Deep Brine
Some Lost River brine pools can harm an unprotected swimmer.
EXPLORATION · REFERENCE
Food and Water Planning
Food and hydration are sustained by gathering, fabrication and later base systems.
EXPLORATION · REFERENCE
Base Hull Integrity
Habitat parts and depth affect the stress placed on seabase structures.
EXPLORATION · REFERENCE
Storage and Inventory
Exploration requires balancing supplies, tools and space for new resources.
Independent Volpedia editorial encyclopedia about the first Subnautica, reviewed 2026-10-28. Unaffiliated with Unknown Worlds Entertainment. Category illustrations are original diagrams, not in-game maps, screenshots or exact creature portraits. No fabricated damage statistics, spawn probabilities or detailed map coordinates. References are documented privately and not shown as outbound research buttons.