label_important Knowledgebase label_important Scannable HDD's for Tech-Tree upgrades
Observant Groundbreakers can find the knowledge left behind by previous residents in the form of abandoned hard drives anywhere in the world of Calyx.
Adding this information can greatly improve the progression in the tech-tree and thus the progress of the Groundbreaker.
So try to find them all!

Scannable Harddrive (HDD)
River Biome