Complete Beginner's Guide to Subnautica 2

New to Subnautica 2? This guide covers everything you need for your first hours on Proteus. From escaping the pod to building your first base, we'll help you survive the alien ocean.

Welcome to Proteus

You've crash-landed on an alien ocean world. Your lifepod is your only sanctuary in an ocean full of wonders and dangers. This guide will walk you through your critical first hours.

First 30 Minutes: Critical Priorities

1. Check Your Surroundings

Before leaving your lifepod, look around. Note the location of your pod relative to visible landmarks. The Welcome Center is usually nearby and contains essential early-game resources.

2. Gather Basic Resources

Start by collecting these immediately:

3. Craft Essential Tools

Priority crafting order:

  1. Scanner: Unlock blueprints by scanning everything.
  2. Survival Knife: Harvest coral and defend yourself.
  3. Standard O2 Tank: Double your dive time.
  4. Fins: Swim faster to escape threats.
  5. Flashlight: Essential for cave exploration.
๐Ÿ’ก Pro Tip

Scan everything you see โ€” fragments, plants, creatures. The more you scan, the more blueprints you unlock. Many critical recipes are hidden behind scans.

Survival Fundamentals

Oxygen Management

Oxygen is your most precious resource. Always monitor your O2 meter and plan your routes with air pockets in mind. Surface frequently until you upgrade your tank.

O2 SourceDurationHow to Get
Base O2UnlimitedBuild a base with O2 generator
Standard O2 Tank75sCrafted at fabricator
High Capacity Tank135sBlueprint from data box
RebreatherDeep divesCrafted, reduces deep-depth O2 drain

Food and Water

Early game food sources:

Build a Water Filtration Machine in your base as soon as possible for unlimited clean water.

โš ๏ธ Warning

Don't eat raw food without checking โ€” some creatures are toxic. Always cook fish at a fabricator when possible.

Building Your First Base

Once you have a habitat builder, find a safe location:

Essential first rooms:

  1. Multipurpose Room: Core living space.
  2. Solar Panel: Early power source.
  3. Fabricator: Crafting station.
  4. Storage: Lockers for organizing resources.

Exploring Deeper

As you upgrade equipment, gradually push deeper:

DepthRequirementsWhat to Find
0-50mBasic gearSafe zone, basic resources
50-100mStandard O2, finsMore fragments, better resources
100-200mSeamoth / Tadpole, high-cap O2Data boxes, wrecks, rare materials
200m+Vehicle with depth moduleStory locations, endgame resources

Story Progression Tips

Follow these signals to advance the story:

  1. Check your PDA regularly for new coordinates.
  2. Follow radio signals when they appear.
  3. Investigate alien structures and abandoned bases.
  4. Scan everything in story locations.
๐Ÿ’ก Pro Tip

Build a scanner room at your base to locate nearby resources and wrecks. It saves hours of searching.

Common Beginner Mistakes

What's Next?

Once you're comfortable with basics, explore these guides: