Subterra

Subterranea ("Subterra") is a semi-public deep mineshaft with a hub at -1000 nodes. Making extensive use of Technic, the hub operates machines such as a foundry, uranium centrifuge, and ice maker at low and medium voltages.

The hub features:

• Subterra Market, both a metal exchange that sells and buys ore and ingots and a general supplies store.
• Vending Machine, a Digilines machine with a graphical user interface to sell food in exchange for Grass.
• Foundry, a public Technic machine for bulk processing ore that yields two ingots per ore.
• Charging Station, a public battery station that charges electronics
• Ice Maker, generates Ice and simplifies crafts involving Bucket of Water.
• Residential, a sector containing condominium units with shared Protection.
• Zoo

Blue Shroom Caverns

Blue Shroom Caverns is a public mining area at a depth of -2500 nodes and the native habitat of the Blue Illumishroom.

Emerald Shelf

Emerald Shelf is a mossy cave realm at a depth of -3900 nodes, known for its Glow Emerald stalagmites.