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The extractor serves as the resource point for the Beta and Humans to collect catalyst in Grey Goo.

Overview[]

Once a refinery is placed, the player can place a corresponding extractor for free on any catalyst field. Each refinery can support only one extractor; if the refinery has no connected extractor then it receives no income. Once both the refinery and extractor are complete, the refinery automatically sends harvesters to extract catalyst from the extractor.

Tech upgrades[]

Human[]

GG Icon Tech Structural Integrity Structural integrity
Extractors gain additional armour and repair overtime while not suffering damage.

See also[]

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