Type
Base part unlock
Base part unlock
Subnautica 2 Corridor Blueprint
Base part unlock
Corridor is the clean starter shell piece because it gives the Hatch somewhere to attach and keeps the first base compact while resources are still tight.
Reviewed .
Station
Habitat Builder
Route
First base shell
Status
Unlocks with builder
Blueprint facts
Use this row set when you need the station, unlock condition, output, and downstream planning without losing the route context.
Category
Base part unlock
Produces
Corridor
Crafted at
Habitat Builder
Unlock requirement
Unlocks with builder
Scan requirement
None
Used in
Starter base shell, Hatch attachment point, Early storage and power layout
Recipe or unlock row
Unlocked with Habitat Builder; check the Habitat Builder UI before repeating placements
Route order
Follow the unlock order before spending materials on lower-priority extras.
Step 1
Unlock Habitat Builder
Scan both builder fragments at the Welcome Center and return home.
Step 2
Place a compact shell
Start with a simple Corridor near safe oxygen access rather than building a large layout immediately.
Step 3
Add Hatch and power next
Once the shell exists, add Hatch, then plan power and storage in a controlled order.
What it unlocks
Starter base shell
Hatch attachment point
Early storage and power layout
Player decisions
Unlock path
Habitat Builder scans at the Welcome Center.
First use
Compact starter base shell.
Pair with
Hatch, storage, and early power.
Map route links
These map entries point to the route stops that matter for this blueprint or recipe.
blueprint
Habitat Builder scans
PC Gamer lists two Habitat Builder scans at the Welcome Center: one by the entrance crate and one in the cave below.
blueprint
Welcome Center cave builder fragment
Turn left after the interior scans, enter the cave, refill oxygen, then scan the second Habitat Builder fragment.
Questions people ask
How do I unlock Corridor in Subnautica 2?
Complete the two Habitat Builder scans at the Welcome Center. Corridor unlocks with the first base-building setup.
Should Corridor or Hatch come first?
Place a shell piece such as Corridor first, then attach Hatch so you can enter it.
Related recipe and blueprint pages
Hatch blueprint
Entrance piece for the first shell.
Habitat Builder recipe
The tool route that unlocks Corridor.
Base Parts
Hub for base modules, power, storage, and vehicle support.
Welcome Center guide
The full 150-degree facility route, Biolab step, southwest wreck follow-up, and return-home craft.
First Base Checklist
Interactive order for Habitat Builder materials, scan unlocks, and the first base return.
Welcome Center map marker
Open the map at the facility route before planning the southwest wreck leg.