Builds: Index

Constructing facilities at the base is essential for long-term survival. These buildings provide resources, technological unlocks, and defense.

🏗️ All Facilities

Facility	Requirements	Research Necessary?	Only from Production	Prerequisite	Description
Barbed Wire Perimeter	4x Scrap Metal	No	-	Adds +6 town defense and reduces midnight attack strength by 8%.
Reinforced Steel Bulkhead	2x Scrap Metal 6x Hardened Stone	No	-	Adds +12 town defense.
Watchtower	4x Raw Timber 4x Hardened Stone	No	-	Adds +4 town defense.
Scrap Workshop	4x Scrap Metal 2x Charred Planks	No	-	Tier 1 build. Shortens search cooldown by 25% when searching at or next to the base.
Assembly Bench	4x Scrap Metal 4x Rusty Tool 2x Raw Timber	No	-	Workbench for combining carried items using town recipes. Unlocks the Combine tab in town.
Signal Booster (Radar)	2x Scrap Metal 2x Broken Radio	No	-	Reduces unlit-tile search darkness penalty from 40% to 25%.
Logistics Uplink	4x Raw Timber 4x Circuit Boards 6x Copper Wiring 4x Scrap Metal	No	-	Town logistics relay. Unlocks installing fabrication hauler drones at Industrial, Electronic Lab, and Farm facilities (Drone Operator Lv 3). Haulers move that facility’s nightly fabricated output into town storage.
Forge	8x Hardened Stone 6x Raw Timber 4x Obsidian Flake	No	-	Hot-work station for tempering scrap into fortified rebar. Unlocks the Forge Fortified Rebar recipe at town.
Hydroponic Patch	4x Raw Timber 2x Hardened Stone 2x Scrap Metal	No	-	One-time when built: +3 rations on base ground and +10 salad in town storage.
Preservation Rack	4x Raw Timber 6x Salt Crystals	No	-	Salt-curing racks built beside the hydroponic patch. Once built, food consumables restore +1 additional AP.
Well	4x Raw Timber 6x Hardened Stone	No	-	One-time when built: +10 water in town storage.
Automated Sentry	4x Scrap Metal 2x Burnt-Out Motor	No	-	Adds +10 town defense.
Solar Panels	4x Solar Cell 2x Circuit Boards 4x Copper Wiring 2x Scrap Metal	Yes	-	Reduces daily base power drain by 10%.
Research Lab	8x Scrap Metal	Yes	-	Enables two simultaneous research projects and lets the town process Research Material.
Specimen Analysis Bay	16x Scrap Metal 4x Circuit Boards 4x Copper Wiring 4x Uncommon Monster Chitin 6x Common Monster Bone 4x Common Monster Gland	No	Uncommon Monster Chitin Common Monster Bone Common Monster Gland	Catalogs threat specimens for High Command analysis. Unlocks the Donate tab for specimen crate exchanges.
Research Lab II	120x Scrap Metal	Yes	-	Expands the lab to four research slots and increases research speed by 20%.
Battery Storage	6x Car Battery 8x Ceramic Shards 4x Scrap Metal	Yes	-	Increases maximum town power capacity by +20% permanently and allows batteries to refuel town power.
Beacon Amplifier	6x Circuit Boards 6x Copper Wiring 4x Scrap Metal	Yes	-	Further reduces unlit search penalties (darkness -10, fear penalty per point 8 → 6).
Threat Scanner Beacon	4x Scrap Metal 2x Circuit Boards 4x Copper Wiring 2x Pressure Valve	No	-	When built: reveals and highlights the closest tile with monsters on it.
Fuel Refinery	6x Chemical Sludge 6x Scrap Metal 4x Hardened Stone 2x Pressure Valve	Yes	-	At midnight converts up to 6 chemical sludge into up to 3 gasoline canisters (2:1).
Spike Trench	6x Raw Timber 4x Hardened Stone 4x Fortified Rebar	No	-	Adds +3 town defense and -4 midnight attack strength.
Scrap Barricade Wall	8x Scrap Metal 6x Quarry Bolts 2x Resin Sealant	No	Resin Sealant	Adds +5 town defense and -6 midnight attack strength.
Timber Palisade Wall	12x Raw Timber 8x Hardened Stone 6x Fortified Rebar 4x Resin Sealant	No	Resin Sealant	Adds +7 town defense and -10 midnight attack strength.
Kill-Zone Floodlights	4x Battery 6x Copper Wiring 4x Quarry Bolts 2x Signal Emitter	No	Signal Emitter	Adds +9 town defense, -5% midnight attack strength, and +10% stepped-loot/pole protection chance.
Auto-Bolt Nest	4x Alloy Plate 4x Targeting Relay 2x Hardened Actuator 6x Scrap Metal	No	Alloy Plate Targeting Relay Hardened Actuator	Adds +12 town defense, -7% midnight attack strength, and +10% stepped-loot/pole protection chance.
Armor-Plated Gate	10x Alloy Plate 6x Ceramic Armor Tile 4x Ballistic Mesh 4x Hardened Actuator 4x Hydraulic Piston	No	Alloy Plate Hardened Actuator Hydraulic Piston	Adds +18 town defense and -12 midnight attack strength.
Shock Fence Grid	12x Copper Wiring 4x Shock Capacitor 2x Threat Sensor Array 4x Bio Spike Pod	No	Shock Capacitor Threat Sensor Array Bio Spike Pod	Adds +15 town defense, -8 flat midnight attack strength, and -5% remaining midnight attack strength.
Sensor Jammer Grid	4x Logic Core 4x Threat Sensor Array 4x Targeting Relay 6x Micro Fuse 4x Ionized Filament	No	Logic Core Threat Sensor Array Targeting Relay	Adds +22 town defense and reduces future monster spawn-bonus growth by 15%.
Counterbattery Array	6x Signal Emitter 6x Shock Capacitor 4x Hardened Actuator 4x Capacitor Bank	No	Signal Emitter Shock Capacitor Hardened Actuator	Adds +26 town defense, -10% midnight attack strength, and reduces spawn-bonus growth by 15%.
Citadel Aegis Core	6x Threat Sensor Array 6x Shock Capacitor 6x Targeting Relay 4x Logic Core 2x Ancient Relic	No	Threat Sensor Array Shock Capacitor Targeting Relay Logic Core	Adds +32 town defense, -10 flat and -10% midnight attack strength, +30% stepped-loot/pole protection, and -20% spawn-bonus growth.
Extraction Beacon	6x Beacon Component 4x Signal Emitter 4x Logic Core 4x Alloy Plate 2x Vault Access Key	No	Signal Emitter Logic Core Alloy Plate Vault Access Key	Phase 2 apex build. Raises Command’s extraction corridor. Hold power and defenses for three midnights after installation to complete Protocol Evac.