The builder tool is designed to construct habitats capable of withstanding extreme environmental conditions.


― PDA, Dialogue


The Alterra handheld Habitat Builder is a tool crafted using the Fabricator.


The Habitat Builder allows the player to build a variety of stationary items. It is a crucial tool for the deployment of Seabases and the customization of the interiors of both Seabases and the Cyclops.

The Habitat Builder requires a Battery to operate, and objects cannot be constructed/deconstructed if the battery is depleted.

If a Bleeder latches onto the player's arm, the player can use the Habitat Builder to hit the Bleeder.

How to UseEdit

  1. RMB to open the Builder menu
  2. Select the desired tab: Base Pieces, Exterior Modules, Interior Pieces, Interior Modules or Miscellaneous
  3. Select an item
  4. Point the Builder at wherever the item should be placed until an outline appears
  5. Press Q or E to rotate the object (if applicable)
  6. Press LMB to place the outline
  7. Continue building the item by holding the LMB
  8. Done.
  9. Placed items can also be deconstructed by pointing the Builder at them and holding Q, this only applies if the text "Hold Q to Deconstruct" appears on the screen. This also gives back all resources used in the building process.


Computer ChipBatteryArrow-right (1)FabricatorArrow-right (1)Builder

Uses in CraftingEdit

Base pieces group Base PiecesEdit

Titanium×4Arrow-right (1)BuilderArrow-right (1)Foundation
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Corridor
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)L Corridor
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)T Corridor
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)X Corridor
GlassGlassArrow-right (1)BuilderArrow-right (1)I-Corridor Glass
GlassGlassArrow-right (1)BuilderArrow-right (1)L-Corridor Glass
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Vertical Connector
Titanium×6Arrow-right (1)BuilderArrow-right (1)Room
Enameled GlassComputer ChipComputer ChipTitaniumTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Scanner Room
Titanium Ingot×4Lubricant×4Advanced Wiring KitArrow-right (1)BuilderArrow-right (1)Moon Pool
Enameled GlassEnameled GlassEnameled GlassArrow-right (1)BuilderArrow-right (1)Observatory
GlassTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Hatch
GlassGlassArrow-right (1)BuilderArrow-right (1)Window
LithiumTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Reinforcement

Base exterior modules group Exterior ModulesEdit

  • -
QuartzQuartzTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Solar Panel
Titanium IngotMagnetiteMagnetiteLubricantArrow-right (1)BuilderArrow-right (1)Thermal Plant
GoldTitaniumArrow-right (1)BuilderArrow-right (1)Power Transmitter
GlassGlassTitaniumArrow-right (1)BuilderArrow-right (1)Floodlight
GlassTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Spotlight
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Exterior Growbed
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Base Pipe Connector

Base interior pieces group Interior PiecesEdit

  • -
TitaniumTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Ladder
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Water Filtration Machine
Silicone RubberTitanium×4Arrow-right (1)BuilderArrow-right (1)Bulkhead
GlassComputer ChipComputer ChipTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Seamoth Modification Station
LubricantTitanium×4Arrow-right (1)BuilderArrow-right (1)Bioreactor
Titanium IngotTitanium IngotLeadLeadLeadLubricantArrow-right (1)BuilderArrow-right (1)Nuclear Reactor
Glass×4TitaniumArrow-right (1)BuilderArrow-right (1)Water Park

Base interior modules group Interior ModulesEdit

  • -
Wiring KitComputer ChipTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Fabricator
Wiring KitTitaniumArrow-right (1)BuilderArrow-right (1)Communications Relay
Fiber MeshFiber MeshComputer ChipTitanium×5Arrow-right (1)BuilderArrow-right (1)Medical Kit Fabricator
QuartzTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Wall Locker
GlassTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Locker
Computer ChipCopper WireGlassTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Battery Charger
Computer ChipWiring KitGlassTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Power Cell Charger
Glass×4TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Aquarium
Wiring KitComputer ChipTitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Modification Station
TitaniumArrow-right (1)BuilderArrow-right (1)Plant Pot
TitaniumArrow-right (1)BuilderArrow-right (1)Plant Pot 2
TitaniumArrow-right (1)BuilderArrow-right (1)Plant Pot 3
TitaniumTitaniumArrow-right (1)BuilderArrow-right (1)Indoor Growbed
TitaniumArrow-right (1)BuilderArrow-right (1)Planter Shelf

Base miscellaneous group MiscellaneousEdit

Possible Post v1.0 Additions Edit

Data Bank EntryEdit


The Alterra handheld habitat builder has been an essential tool of xenoscientists, colonists and emergency relief crews across 11 different trans-govs for more than 50 years.

  • Habitat modules are hermetically sealed from the outside environment
  • Build on land, underwater, or in a vacuum
  • Habitats can be enhanced to become long-term homes, remote research stations, defensive outposts and more

Quick Start Guide:

  1. Select the basic compartment from the builder menu and place it somewhere opportune
  2. Add a hatch to access the compartment
  3. Build a solar panel to power the habitat's oxygen generator
  4. Construct useful interior modules like radios, rechargers and storage solutions

Primary habitat systems like oxygen generation and flood control, as well as modules like the fabricator draw power and will not function without it. Additional compartments reduce overall hull integrity, depending on the external pressure.

'Quick-Build Habitats: A home far, far away from home.'

Gallery Edit


  • The idea for the Habitat Builder may be taken from Natural Selection 2, where the Builder is used to create various machinery, much like Subnautica's.
    • And thus, the Habitat Builder's former name was the Builder.