To establish deep-sea resource extraction in Civilization Relaunch:Star Age, build initial outposts on Stable Shelves using the sonar scanning tool and limit vent extraction rates to 85% output. Prioritize reinforced hull plating before moving into High-Pressure Zones, and halt all expansion to conduct repairs whenever structural integrity falls below 40%.

Ocean Floor Pressure and Base Placement

Managing crush depth requires identifying seabed terrain types before placing structures. Sonar scanning reveals tile stability, allowing you to delay expensive plating upgrades during early deep-sea operations.

Location TypePressure ThresholdConstruction Priority
Stable ShelvesLowInitial outposts and early resource nodes
High-Pressure ZonesHighReinforced hull plating and advanced modules

Monitor the base structural integrity gauge constantly. If structural integrity drops below 40%, pause construction immediately and assign repair tasks until integrity stabilizes above that threshold.

Hydrothermal Vent Harvesting

Geothermal extraction supplies continuous power without standard grid infrastructure. Accessing hydrothermal vents requires research into late-game geothermal drilling technology to construct an Extraction Well directly over the vent nozzle.

  • Extraction Cap: Keep vent output set to 85% to maintain a steady resource flow and prevent the vent from becoming permanently dormant.
  • Location Selection: Target seismic zones with the sonar scanner to find active vent clusters.
  • Refinery Centralization: Link wells directly to centralized refineries located in well-defended hubs.

Deep-Sea Logistics and Supply Lines

Transporting raw ocean minerals to surface ports requires an automated relay network to prevent cargo decay.

  1. Deployment Interval: Construct one Supply Relay Station for every four tiles between deep-sea hubs and land ports.
  2. Maintenance Schedule: Program autonomous drones to perform maintenance on relay stations every 10 turns.
  3. Station Defense: Install automated turrets at each relay point to defend against abyssal fauna drawn by industrial noise.

Abyssal Threat Defense

Rising industrial activity increases the UI Threat Meter, attracting hostile ocean creatures. Deploy sonic deterrents around production centers to neutralize incoming waves.

  • Trigger sonic pings to stun aggressive organisms temporarily.
  • Fire automated turrets while targets are stunned to prevent damage to base modules.
  • Upgrade combat protocols in the research menu to counter higher-tier ocean fauna.

Late-Game Oceanic Progression

Scale deep-sea operations through a four-phase expansion plan to maintain technological advantages:

  1. Survey: Map seabed tiles to locate mineral clusters near active hydrothermal vents.
  2. Fortify: Build reinforced outposts equipped with redundant integrity systems.
  3. Extract: Deploy Extraction Wells with 85% output caps to ensure sustainable mineral flow.
  4. Refine: Process all harvested materials in protected central hubs to minimize transport overhead.
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