DEMETER ruins in the Zero Dawn Project Facility

DEMETER was the subordinate function of GAIA in charge of the recreation of Earth's floral biosphere as part of Project Zero Dawn.

Many of GAIA's machines were designed to accomplish this subfunction, terraforming the Earth to make it suitable for plant life and then presumably using cryogenically-preserved seed stocks to replant most of the planet's pre-Faro Plague flora.

The presence of flora in the Horizon Zero Dawn world indicates DEMETER was at least partially successful.


  • DEMETER is based on the Greek goddess of agriculture of the same name.

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