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Megastructures and Habitats
Stellaris

Megastructures and Habitats

Unlock the secrets to building and managing Stellaris' most impressive Megastructures and Habitats. Learn about their benefits, upkeep, and strategic placement for your empire.

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Megastructures and Habitats

Unlock the secrets to building and managing Stellaris' most impressive Megastructures and Habitats. Learn about their benefits, upkeep, and strategic placement for your empire.

Walkthrough
  1. 1
    Obtain specimens through events or discoveries.
  2. 2
    Research the Galactic Archivism technology (available with 50% progress for 1000 Energy Credits shortly after obtaining the first specimen).
  3. 3
    Construct a Grand Archive megastructure.
  4. 4
    Display up to 9 specimens per category (Aesthetic Wonders, Galactic History, Xeno Geology) in exhibit slots.
  5. 5
    Store an additional 18 specimens of any category.
  6. 6
    Manage Energy upkeep for the Grand Archive, which increases with Empire Size.
  7. 7
    Set storage to automatically sell specimens of a certain rarity if storage is full.
  8. 8
    Protect your Grand Archive by securing the system's starbase, as it can be stolen from if occupied.
Tips
  • Specimens have 4 rarities: Common, Rare, Epic, and Exceptional, affecting their effects, upkeep, and sell value.
  • Unlocking exhibit slots has an increasing Energy cost per slot within each category.
  • Genocidal empires gain Unity upon unlocking 3, 5, and 9 exhibit slots per category.
  • Specimens can be traded with other empires.
  • The Grand Archive megastructure is only available with the Grand Archive DLC enabled.

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