Seabases (Subnautica): Difference between revisions

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[[Category:Constructed with Habitat Builder]]
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Revision as of 13:02, 28 February 2023

This article is about {{#explode:Seabases (Subnautica)|(}} in Subnautica. [[{{#explode:Seabases (Subnautica)|(}} (Below Zero)|Click here]] for information on this subject in Below Zero.
This article is about the Seabases. You may be looking for the Degasi Seabases.

Seabases are installations created by the player through the use of the Habitat Builder.

A Seabase provides an area where the Player can return for oxygen and serves as an alternative to Lifepod 5 as a base of operations. Within a seabase, the player can construct additional storage space, grow food, access Appliances not available in Lifepod 5, and add aesthetic options. Thus Seabases provide safe havens away from the Safe Shallows the player starts in.

In all Game Modes except Creative Mode, entering a Seabase secures the player's inventory, so if the player dies, they will return to the last Seabase they visited (Lifepod 5 and a Cyclops also count as Seabases for this purpose) and keep all the items in their inventory that they had when they were there. This occurs even if they die while inside the base in question: thus, quickly building a single I Compartment and a Hatch on the seabed can be a valid tactic to secure the player's inventory if they are about to die.

The player will start with most of the blueprints they need for a basic Seabase; at the bare minimum, one needs a Compartment, a Hatch, and a power generator (the Solar Panel is unlocked by default). The initial compartment must be built on or near the ground (or on a Foundation, which is not necessary but provides greater Hull Integrity and a flat surface to work with), but any additional compartments can overhang without any issue, allowing bases to be built over cliffsides. The player can acquire Blueprints which allow additional module types to be created.

Spoiler alert: The following section contains story related material.


Degasi Seabases can be found at the center and on the tops of the mountains of the Floating Island, Jellyshroom Cave, and Deep Grand Reef. These abandoned Seabases provide blueprints for additional base components that the player doesn't have access to by default, such as the Multipurpose Room and the Observatory. Other base components, power generators, appliances and, furniture, can be found in Wrecks.


Despite their name, Seabases can be built on land. When on land, hull integrity is not a factor, and bases can be built without the need for additional Reinforcements, Foundations, or Bulkheads. Power is still needed for them to operate, but not to provide oxygen.

Hull Integrity

Hull Integrity refers to the ability of the player's Seabase to withstand the pressure of the surrounding water. The majority of the modules will lower the integrity once added but the amount will vary by module. As Seabases are built at a greater depth the integrity reduction caused by each module will increase. Hull integrity can be increased by constructing Reinforcement panels, placing a Seabase on or near a Foundation (foundations built on top of rooms will still provide their benefit), or installing Bulkheads on the ends of Compartment modules.

When the hull integrity of a Seabase is less than or equal to zero, it will begin to form hull breaches. Any corridor or room that is connected to the breach will begin flooding with water. Bulkheads can compartmentalize the base and prevent floodwaters from moving between compartments, but if the integrity remains below zero then eventually every compartment will develop a leak and the base will fill with water. To avoid this, quickly increase the base's integrity (by either adding strengthening components or removing weak components) and fix all hull breaches in the base using a Repair Tool.

A Seabase that receives damage to its exterior will also spring leaks, but the hull integrity will be unaffected. This is most likely to occur if the player hits the base with a Cyclops, as aggressive Fauna cannot damage bases. In this case, leaks will be limited to only the module that was hit and will not spread, making Bulkheads an effective method of preventing widespread flooding.

Energy Usage

Energy can be provided to a Seabase by building various types of generators near or inside the Seabase. Any number or combination can be used. Appliances such as the Fabricator will drain energy from the Seabase.

There are currently four generators available to power Seabases:

Bioreactors and Nuclear Reactors are built inside a Multipurpose Room or Large Room. Solar Panels and Thermal Plants are built outside and can be directly attached to the base or connected via Power Transmitters if the distance is too great.

Seabases do not require energy to operate in Creative Mode.

The following appliances and rooms draw power from the Seabase:

Oxygen

Seabases automatically produce Oxygen as long as there is power supplied, and can be used as a remote oxygen source outside the base through a Base-attached Air Pump and Pipes. If the power is depleted, the Seabase will slowly lose oxygen until it is completely gone.

How to Build a Seabase

  1. Find a suitable piece of seabed or land.
  2. Equip the Habitat Builder and press the appropriate key to bring up a crafting menu.
  3. In the Interior Pieces tab, select the desired module.
  4. Aim at the desired building place (the outline of the module will become green if the location is valid).
  5. Adjust the rotation if desired. You cannot rotate the moonpool once another module has been placed.
  6. Place the module with the correct button.
  7. Once placed, hold the correct key to add the required materials to finish the building process.
  8. Go to Step 2 and repeat for each room you want to build. Remember that once the desired module has been placed, other modules that are placed near it will snap to its position, making it easier to build.

To deconstruct a Seabase module, equip the Habitat Builder and hold the appropriate button while facing the module. If enough inventory space is available, the module will be deconstructed and all materials used to create the module will be returned to the player's inventory, one item at a time. Note that everything inside the module and attached to the outside of the module must be deconstructed (This excludes other Seabase modules, they do not need to be deconstructed to remove a part.) before the module itself can be deconstructed.

Controls

Action Mouse & Keyboard Xbox One PlayStation 4 Nintendo Switch
Open Building Menu
RMB
XBOX Right Trigger PS4 R2.png SwitchZr.png
Rotate Object
Mouse Wheel
or
[ and ]
XBOX D-Pad Left XBOX D-Pad Right PS4 Dpad Left.png PS4 Dpad Right.png SwitchLeftbutton.png SwitchRightbutton.png
Build Object
LMB
XBOX A Combops4x.png SwitchA.png
Deconstruct Object
Q
XBOX D-Pad Down PS4 Dpad Down.png SwitchDownbutton.png

Dialogue

The Seabase's AI plays various messages that correspond to different circumstances, some accompanied by sound cues:

Trigger Dialogue
Log-128.png When Seabase is repaired "Hull integrity restored. Draining systems initiated."

File:SeabaseRepaired.ogg

Log-128.png Entering Seabase with no power source "Warning: Emergency power only. Oxygen production offline."

File:SeabaseNoPower.ogg

Log-128.png When the Seabase has no power "Warning: Emergency power only. Oxygen production offline."

File:SeabasePowerDown.ogg

Log-128.png Restoring Seabase's power "Power restored. All primary systems online."

File:SeabasePowerUp.ogg

Log-128.png Entering Seabase or Seamoth "Welcome aboard captain."

File:BaseWelcomeAboard.ogg

Base Parts

Base Pieces

Item Description Hull Integrity
Bulkhead.png
Bulkhead
Provides structural support and prevents flooding. +3.0 Units
I Compartment.png
I Compartment
Basic tubular compartment. -1.0 Unit
I-Corridor Glass.png
Glass Compartment
Basic glass-walled compartment. -2.0 Units
L Corridor.png
L Compartment
L-shaped compartment. -1.0 Unit
L-Corridor Glass.png
L Glass Compartment
L-shaped glass compartment. -2.0 Units
T Corridor.png
T Compartment
T-shaped compartment. -1.0 Unit
X Corridor.png
X Compartment
X-shaped compartment. -1.0 Unit
Foundation.png
Foundation
Reinforced habitat foundation. +2.0 Units
Hatch.png
Hatch
Provides an access point to the habitat. -1.0 Unit


Large Room.png
Large Room
A large room. -4.0 Unit
Large Room Glass Dome A large glass dome. -8.0 Unit
Moon Pool.png
Moonpool
Vehicle docking bay. -5.0 Units
Room.png
Multipurpose Room
Basic room. -1.25 Units
Multipurpose Room Glass Dome Icon.png
Multipurpose Room Glass Dome
A glass dome. -2.0 Units
Observatory.png
Observatory
Compartment with 360-degree views and low structural integrity. -3.0 Units
Reinforcement.png
Reinforcement
Increases hull strength. +7.0 Units
Scanner Room.png
Scanner Room
Locates resources and wrecks within range. -1 Units
Vertical Connector.png
Vertical Connector
Vertical base connector. -0.5 Units
Window.png
Window
Observatory window. -1.0 Unit

External Modules

Item Description Item IDs
Solar Panel.png
Solar Panel
Build on the ground in the sun to charge (25 power/min). solarpanel
Thermal Plant.png
Thermal Plant
Converts heat to energy (> 15 °C) (50 power/min). thermalplant
Power Transmitter.png
Power Transmitter
Extends range of power source. powertransmitter
Floodlight.png
Floodlight
Industrial, battery-powered lighting, designed for all environments. techlight
Spotlight.png
Spotlight
Fixed lighting solution. spotlight
Exterior Growbed.png
Exterior Growbed
Artificial plant bed, suitable for use on land or underwater. farmingtray
Base Pipe Connector.png
Base-attached Air Pump
Base-attached device that pumps air into pipes. Acts as a starting point for a pipe chain. basepipeconnector

Interior Modules

Item Description Item IDs
Fabricator.png
Fabricator
Basic survival fabricator. Atomically rearranges raw resources into useful objects. fabricator
Radio.png
Radio
Receive short-range communications. radio
Medical Kit Fabricator.png
Medical Kit Fabricator
Fabricates a medical kit every 30 minutes. medicalcabinet
Wall Locker.png
Wall Locker
Wall-mounted storage locker. smalllocker
Locker.png
Locker
Stores excessive things you need to store. locker
Battery Charger.png
Battery Charger
Can charge up to 4 batteries simultaneously. batterycharger
Power Cell Charger.png
Power Cell Charger
Can charge up to 2 power cells simultaneously. powercellcharger
Aquarium.png
Aquarium
Self-sustaining aquatic habitat. aquarium
Modification Station.png
Modification Station
Advanced fabricator for modification of equipment. workbench
Plant Pot.png
Basic Plant Pot
Titanium pot containing synthetic soil. planterpot
Plant Pot 2.png
Composite Plant Pot
Designed titanium pot containing synthetic soil. planterpot2
Plant Pot 3.png
Chic Plant Pot
Upmarket titanium pot containing synthetic soil. planterpot3
Indoor Growbed.png
Interior Growbed
Artificial plant bed, suitable for interior use only. planterbox
Plant Shelf.png
Plant Shelf
Wall-mounted plant pot. plantershelf

Interior Pieces

Item Description Item IDs
Ladder.png
Ladder
For connecting two floors. baseladder
Water Filtration Machine.png
Water Filtration Machine
Separates water and salt. basefiltrationmachine
Bulkhead.png
Bulkhead
Structural support and can stop water flow (+3HP). basebulkhead
Seamoth Modification Station.png
Vehicle Upgrade Console
Build this in the moonpool to upgrade docked vehicles. baseupgradeconsole
Bioreactor.png
Bioreactor
Composts organic matter into electrical energy. basebioreactor
Nuclear Reactor.png
Nuclear Reactor
Processes nuclear reactor rods. basenuclearreactor
Alien Containment.png
Alien Containment
Provides optimal conditions for flora and fauna. Add a hatch to enter. basewaterpark


Achievement

Main article: Achievements
Spoiler alert: The following section contains story related material.
Achievement2.jpg Settling in for the Long Haul

Build a habitat


How to obtain: The player has to construct a Seabase module, which requires the Habitat Builder to build.


Trivia

  • Originally when prototyping bases, the developers used square base pieces. This was seen in a developer update along with a screenshot of early base models on the Trello.
  • Several base pieces were cut during development. This includes examples such as the Specimen Analyzer, Power Generator, and Fragment Analyzer.

Gallery

<tabber> |-|Screenshots=

|-|Concept Art=

|-|Models=

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