Full Walkthrough
Complete main story walkthrough with all missions, signals, and bunker locations.
1. Basic Survival Tutorial
Getting started with Subnautica 2: oxygen management, crafting, and your first exploration.
2. Reception Center & Habitat Builder
Explore the Reception Center, scan the Habitat Builder, and build your first base.
3. Bunker - Anita's Garden & Basic Fins
Find silver, craft Basic Fins, and discover the colonist bunker with Anita's Garden.
4. Bunker - Salvage & Standard Oxygen Tank
Find the second bunker, craft the Standard Oxygen Tank, and collect more blueprints.
5. Old Habitat & Processor
Explore the Old Habitat, scan the Processor, and find many blueprints including the Sonic Resonator.
6. Bunker - Sophie's Seclusion & Underwater Propeller
Find Sophie's bunker, craft the Underwater Propeller, and learn how to use the Processor.
7. Camp One
Explore the flooded Camp One, a large underwater base with valuable blueprints and resources.
8. Scanner Station, Sonic Resonator & Hydroelectric Turbine
Build the Scanner Station, craft the Sonic Resonator, and set up Hydroelectric Turbine power for your base.
9. Digestive/Heat Adaptation, Rebreather & Power Battery Terminal
Clear bloom infestations, gain adaptations, and find the Rebreather and Power Battery Terminal.
10. Bunker - Cultist Meeting & Power Battery
Find the Cultist Meeting bunker and craft the Power Battery.
11. Tadpole & Repair Tool
Build the Tadpole submarine, its dock, the Vehicle Fabricator, and the Repair Tool.
12. Bunker - Unauthorized NOA Modification & High Capacity Tank
Explore the Mingchan wreck and find the High Capacity Oxygen Tank blueprint.
13. Tadpole Dock, Black Box - Xi Dama & Scout Ray Chassis
Explore the Tadpole Dock, find Xi Dama's black box, and unlock the Scout Ray Chassis.
14. Bunker - Nashima's Lab
Enter Nashima's Laboratory and learn how to craft the Scout Ray Chassis for the Tadpole.
15. Tadpole Dock Control Room (Korla Key) & Story Summary
Access the Tadpole Dock control room, learn the full story, and unlock the Alien Ruins signal.
16. Alien Ruins, Modification Station & Depth Module Mk1
Explore the Aksum alien ruins, build the Modification Station, and craft the first Depth Module.
17. Angel Comb, Power Plant Turbine & Bio Scanner
Activate more Angel Combs, find the power plant turbine location, and upgrade to the Bio Scanner.
18. Feedback Resonator, Cargo Chassis & Cavitation Silencer
Upgrade the Sonic Resonator, find the Cargo Chassis, and unlock the Cavitation Silencer.
19. Bloom Nodes & Angel Comb (Aksum Vision)
Clear all bloom nodes and gain the Aksum Vision adaptation from the Angel Comb.
20. Repair the Power Plant & Observatory (Main Story End)
Repair the power station turbines, restore the generator, explore the Observatory — the current end of the EA main story.
21. Giant Jaw Clam & Portable Oxygen Generator
Find the Giant Jaw Clam and craft the Portable Oxygen Generator for extended exploration.