Structural integrity upgrade
GG Icon Tech Structural Integrity
Faction GG Faction Icon Humans Humans
Affects Extractor
Type Economy tech upgrade
Requires GG Icon Silo Humans Silo

Extractors gain additional armour and repair overtime while not suffering damage.[1]


  1. Petroglyph Games, Grey Box, Grey Goo. January 23, 2015.

See alsoEdit

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.