Grand Archive
Grand Archive is a megastructure in Stellaris 4.5.2. It needs the Galactic Archivism technology. All stages take 5 years (the costs every empire pays).
Where to build a Grand Archive
The game's own requirement line, then the conditions of the first stage (possible) and of the planet or star it goes around (placement_rules).
- Cannot build on an unsurveyed or habitable planet.
- Cannot build on planets that have unresearched anomalies discovered by us or any other Empire.
- Cannot build on a minor planetary body (asteroid or moon).
- Cannot build around a star.
- Cannot build around an astral scar.
- Cannot build on Ring Worlds.
- Cannot build due to existing Megastructure.
- When from (Not: Nomadic empire)
- The system has a starbase
- Cannot build outside Empire borders.
- Requires a stellar body with at least 2500 Pops.
- Otherwise
- Requires the system is on a Wayline with a Wayport or Wayhold.
- When Not: any starbase in system (Is waystation starbase; owner? (Is the same as: the scope that called it))
- Cannot build in systems that have not been surveyed.
Grand Archive stages
Cost lines with a condition apply only to the empires it names (bio-ship empires pay food instead of part of the alloys).
How it's counted
Totals in the head count only the costs every empire pays: none.
Grand Archive
A dedicated orbital structure designed to house and display noteworthy Specimens we have collected throughout the galaxy, including live Space Fauna.
1,000Alloys — if Not: Uses bio-ships500Alloys — if Uses bio-ships
500Food — if Uses bio-ships
10Energy Credits- +250Vivarium Max Capacity
How to unlock the Grand Archive
Who can build it (potential)
- Country type: default
- Not: Has grand archive
- Any of
- Megastructure: Grand Archive
- Country flag: has_arkship_grand_archive_module
- Any of
Grand Archive: questions
Where can I build a Grand Archive?
Cannot build on an unsurveyed or habitable planet. Cannot build on planets that have unresearched anomalies discovered by us or any other Empire. Cannot build on a minor planetary body (asteroid or moon). Cannot build around a star. Cannot build around an astral scar. Cannot build on Ring Worlds. Cannot build due to existing Megastructure.
How do I unlock the Grand Archive?
Research Galactic Archivism.
Source: common/megastructures/20_grand_archive.txt and localisation/english, Stellaris Cygnus v4.5.2 (9776). Build times before build-speed modifiers.