Economy¶
Money takes up space here. Put it somewhere safe before a trip that has no shopping on the itinerary. I learned this while carrying a very respectable balance into an entirely unrespectable swim.
Currencies¶
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Brindas¶
I find Brindas most reliably on the recently dead, though they turn up elsewhere too. They pay for settlement goods, taxis and other services; I check the listed currency before carrying a bag of the wrong money across the island.
The name comes from Brinda, Spoonkid's fish dealer, church founder and habitual gambler. The resulting banking system is about as stable as that history suggests.
Form: physical custom currency
Aliases: Brin, $B
Uses: Monument vending, taxis, and other island services configured to accept $B.
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Gemstones¶
I've found Gems while mining, warm to the touch and vibrating like a cat's purr. Exposed ones all seem to look green. I keep them for the Gem Dealer, the Apprentice and the rarer services that ask for them, checking the current shelf before spending the last handful.
Form: physical custom currency
Aliases: Gems
Uses: Gem Dealer rotations, blueprint packages, the Apprentice's fixed offers, and rare services.
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Scrap¶
Scrap still pays for useful work: research, recipes, trade and services. I keep some aside before taking a risk that needs none of it. We have acquired more currencies since Scrap ruled the island, and consequently more kinds of money to argue about.
Form: physical item
Uses: Ordinary trade, research-related losses, marketplace listings, services, and many recipes.
What to save¶

Keep the return fare and the materials for your next recipe before selling the rest.
A freshly mined Gemstone belongs to its miner until collected. Their direct, accepted mutual-feud opponent can collect it too; being a teammate does not grant that right. Other pickup attempts leave it on the ground. Once an eligible collector receives it, ordinary trade, dropping and storage apply.
Gem Dealer¶

I check the Dealer's shelf before spending Gems on the first impressive object. His small selection rotates through eligible blueprints, armor, books, packages and other curiosities. Find him with the Apprentice at Bandit Camp or Outpost; both compounds share stock, rotation and purchase allowances.

A physical blueprint goes home in the bag. A package teaches its contents immediately; I read which I am buying before paying. Call Gem Stock for current offers and prices, or browse eligible delivery goods on a personal Island Computer. Immediate-learning packages require a visit. Keep weapons lowered around the security.
Use: Find the dealer compound, inspect the current board, and bring Gemstones.
Cost: Gemstones
Possible stock is the complete eligible catalog, not today's shelf. 8 offers appear per rotation, which changes every 2 real hours.
Both compounds share rotation, stock and purchase limits. Blueprint packages teach their listed blueprints immediately and are bought in person.
Direct blueprints can be bought even if already known. Computer delivery adds one Gem to eligible Dealer goods; packages remain in person.
| Item | Kind | In-person price | Availability |
|---|---|---|---|
| Metal Facemask | Armor | 4 Gems | Rotating; one armor purchase per player per rotation |
| Metal Chest Plate | Armor | 4 Gems | Rotating; one armor purchase per player per rotation |
| Great Stag Musk | Oddity | 1 Gems | Rotating |
| Supply Signal | Event | 3 Gems | Rotating |
| IT-99/4A Island Computer | Hardware | 5 Gems | Rotating; 1 per player per rotation |
| Hall Pass | Utility | 3 Gems | Rotating |
| Diesel Fuel | Fuel | 1 Gems | Rotating; 50 shared across the island per rotation |
| The Hand I Left in the Tube | Publication | 7 Gems | Rotating |
| Blueprint package | Every included blueprint | Price |
|---|---|---|
| Farming Package | Large Planter Box, Triangle Planter Box, Small Water Catcher, Large Water Catcher, Water Barrel, Powered Water Purifier, Sprinkler, Water Pump | 5 Gems |
| Boat Building Package | Boat Plan, Boat Building Station, Sail, Steering Wheel, Paddle, Kayak | 5 Gems |
| Electronics Package | Large Solar Panel, Wind Turbine, Wind Turbine, Small Generator, Small Rechargeable Battery, Medium Rechargeable Battery, Large Rechargeable Battery, Electrical Branch, Root Combiner, Splitter, Blocker, Switch, Button, AND Switch, OR Switch, XOR Switch, RAND Switch, Timer, Counter, Memory Cell, HBHF Sensor, Pressure Pad, Laser Detector, RF Broadcaster, RF Receiver, RF Pager, Smart Alarm, Smart Switch, Audio Alarm, Siren Light, Flasher Light, Ceiling Light, Digital Clock | 6 Gems |
| Industrial Automation Package | Industrial Combiner, Industrial Splitter, Industrial Conveyor, Industrial Crafter, Storage Adaptor, Fluid Combiner, Fluid Splitter, Fluid Switch & Pump, Door Controller, Electric Furnace, Hopper, Storage Monitor, Computer Station | 7 Gems |
| Individual blueprint | Class | In-person price |
|---|---|---|
| 12 Gauge Buckshot | Tier 2 | 4 Gems |
| 12 Gauge Incendiary Shell | Tier 2 | 4 Gems |
| 12 Gauge Slug | Tier 2 | 4 Gems |
| 5.56 Rifle Ammo | Tier 2 | 4 Gems |
| AND Switch | Tier 2 | 4 Gems |
| Asbestos Armor Insert | Tier 2 | 4 Gems |
| Auto Turret | Tier 2 | 4 Gems |
| Bee Catapult Bomb | Tier 2 | 4 Gems |
| Boots | Tier 2 | 4 Gems |
| Chainsaw | Tier 2 | 4 Gems |
| Cloth | Tier 2 | 4 Gems |
| Coffee Can Helmet | Tier 2 | 4 Gems |
| Computer Station | Tier 2 | 4 Gems |
| Concrete Barricade | Tier 2 | 4 Gems |
| Cooking Workbench | Tier 2 | 4 Gems |
| Counter | Tier 2 | 4 Gems |
| Digital Clock | Tier 2 | 4 Gems |
| Diver propulsion vehicle | Tier 2 | 4 Gems |
| Drone | Tier 2 | 4 Gems |
| Electric Furnace | Tier 2 | 4 Gems |
| Elevator | Tier 2 | 4 Gems |
| Empty Propane Tank | Tier 2 | 4 Gems |
| Firebomb | Tier 2 | 4 Gems |
| Garage Door | Tier 2 | 4 Gems |
| Hammerhead Bolt | Tier 2 | 4 Gems |
| Handcuffs | Tier 2 | 4 Gems |
| Hazmat Suit | Tier 2 | 4 Gems |
| HBHF Sensor | Tier 2 | 4 Gems |
| Heavy Plate Helmet | Tier 2 | 4 Gems |
| Heavy Plate Jacket | Tier 2 | 4 Gems |
| Heavy Plate Pants | Tier 2 | 4 Gems |
| High External Stone Gate | Tier 2 | 4 Gems |
| High External Stone Wall | Tier 2 | 4 Gems |
| High Quality Horse Shoes | Tier 2 | 4 Gems |
| High Velocity Rocket | Tier 2 | 4 Gems |
| Homemade Landmine | Tier 2 | 4 Gems |
| Homing Missile | Tier 2 | 4 Gems |
| Hoodie | Tier 2 | 4 Gems |
| HV Pistol Ammo | Tier 2 | 4 Gems |
| Incendiary Bolt | Tier 2 | 4 Gems |
| Incendiary Pistol Bullet | Tier 2 | 4 Gems |
| Incendiary Rocket | Tier 2 | 4 Gems |
| Industrial Crafter | Tier 2 | 4 Gems |
| Ladder Hatch | Tier 2 | 4 Gems |
| Large Furnace | Tier 2 | 4 Gems |
| Large Medkit | Tier 2 | 4 Gems |
| Large Rechargeable Battery | Tier 2 | 4 Gems |
| Large Water Catcher | Tier 2 | 4 Gems |
| Laser Detector | Tier 2 | 4 Gems |
| Lead Armor Insert | Tier 2 | 4 Gems |
| Locker | Tier 2 | 4 Gems |
| Medical Syringe | Tier 2 | 4 Gems |
| Medium Rechargeable Battery | Tier 2 | 4 Gems |
| Memory Cell | Tier 2 | 4 Gems |
| Metal Barricade | Tier 2 | 4 Gems |
| Metal Blade | Tier 2 | 4 Gems |
| Metal horizontal embrasure | Tier 2 | 4 Gems |
| Metal Shield | Tier 2 | 4 Gems |
| Metal Vertical embrasure | Tier 2 | 4 Gems |
| Modular Car Lift | Tier 2 | 4 Gems |
| Night Vision Goggles | Tier 2 | 4 Gems |
| Parachute | Tier 2 | 4 Gems |
| Piercer Bolt | Tier 2 | 4 Gems |
| Pitchfork Bolt | Tier 2 | 4 Gems |
| Powered Water Purifier | Tier 2 | 4 Gems |
| Prison Cell Gate | Tier 2 | 4 Gems |
| Prison Cell Wall | Tier 2 | 4 Gems |
| Propane Explosive Bomb | Tier 2 | 4 Gems |
| PTZ CCTV Camera | Tier 2 | 4 Gems |
| RAND Switch | Tier 2 | 4 Gems |
| RF Broadcaster | Tier 2 | 4 Gems |
| RF Pager | Tier 2 | 4 Gems |
| RF Receiver | Tier 2 | 4 Gems |
| RF Transmitter | Tier 2 | 4 Gems |
| Road Sign Gloves | Tier 2 | 4 Gems |
| Road Sign Jacket | Tier 2 | 4 Gems |
| Road Sign Kilt | Tier 2 | 4 Gems |
| Roadsign Horse Armor | Tier 2 | 4 Gems |
| Rocket | Tier 2 | 4 Gems |
| Rocket | Tier 2 | 4 Gems |
| Sail | Tier 2 | 4 Gems |
| Salvaged Axe | Tier 2 | 4 Gems |
| Salvaged Icepick | Tier 2 | 4 Gems |
| SAM Ammo | Tier 2 | 4 Gems |
| Scattershot | Tier 2 | 4 Gems |
| Search Light | Tier 2 | 4 Gems |
| Seismic Sensor | Tier 2 | 4 Gems |
| Small Generator | Tier 2 | 4 Gems |
| Small Oil Refinery | Tier 2 | 4 Gems |
| Smart Alarm | Tier 2 | 4 Gems |
| Smart Switch | Tier 2 | 4 Gems |
| Smoke Grenade | Tier 2 | 4 Gems |
| Storage Monitor | Tier 2 | 4 Gems |
| Strengthened Glass Window | Tier 2 | 4 Gems |
| Survey Charge | Tier 2 | 4 Gems |
| Tesla Coil | Tier 2 | 4 Gems |
| Torpedo | Tier 2 | 4 Gems |
| Triangle Ladder Hatch | Tier 2 | 4 Gems |
| Water Pump | Tier 2 | 4 Gems |
| Wind Turbine | Tier 2 | 4 Gems |
| Ballista | Tier 2 weapon | 4 Gems |
| Battering Ram | Tier 2 weapon | 4 Gems |
| Catapult | Tier 2 weapon | 4 Gems |
| Custom SMG | Tier 2 weapon | 4 Gems |
| Extended Magazine | Tier 2 weapon | 4 Gems |
| F1 Grenade | Tier 2 weapon | 4 Gems |
| Flame Thrower | Tier 2 weapon | 4 Gems |
| Flashbang | Tier 2 weapon | 4 Gems |
| Gas Compression Overdrive | Tier 2 weapon | 4 Gems |
| High Caliber Revolver | Tier 2 weapon | 4 Gems |
| Holosight | Tier 2 weapon | 4 Gems |
| Homing Missile Launcher | Tier 2 weapon | 4 Gems |
| Longsword | Tier 2 weapon | 4 Gems |
| Molotov Cocktail | Tier 2 weapon | 4 Gems |
| Mounted Ballista | Tier 2 weapon | 4 Gems |
| Muzzle Boost | Tier 2 weapon | 4 Gems |
| Muzzle Brake | Tier 2 weapon | 4 Gems |
| Oil Filter Silencer | Tier 2 weapon | 4 Gems |
| Pump Shotgun | Tier 2 weapon | 4 Gems |
| Python Revolver | Tier 2 weapon | 4 Gems |
| Rocket Launcher | Tier 2 weapon | 4 Gems |
| Semi-Automatic Pistol | Tier 2 weapon | 4 Gems |
| Semi-Automatic Rifle | Tier 2 weapon | 4 Gems |
| Targeting Attachment | Tier 2 weapon | 4 Gems |
| Thompson | Tier 2 weapon | 4 Gems |
| Armored Door | Tier 3 | 7 Gems |
| Armored Double Door | Tier 3 | 7 Gems |
| Explosive 5.56 Rifle Ammo | Tier 3 | 7 Gems |
| Explosives | Tier 3 | 7 Gems |
| Gears | Tier 3 | 7 Gems |
| HV 5.56 Rifle Ammo | Tier 3 | 7 Gems |
| Incendiary 5.56 Rifle Ammo | Tier 3 | 7 Gems |
| Ladder Hatch | Tier 3 | 7 Gems |
| Metal Chest Plate | Tier 3 | 7 Gems |
| Metal Facemask | Tier 3 | 7 Gems |
| Metal Pipe | Tier 3 | 7 Gems |
| Metal Spring | Tier 3 | 7 Gems |
| Reinforced Glass Window | Tier 3 | 7 Gems |
| Road Signs | Tier 3 | 7 Gems |
| Rocket | Tier 3 | 7 Gems |
| Sewing Kit | Tier 3 | 7 Gems |
| Timed Explosive Charge | Tier 3 | 7 Gems |
| Triangle Ladder Hatch | Tier 3 | 7 Gems |
| 8x Zoom Scope | Tier 3 weapon | 8 Gems |
| Assault Rifle | Tier 3 weapon | 8 Gems |
| Bolt Action Rifle | Tier 3 weapon | 8 Gems |
| HMLMG | Tier 3 weapon | 8 Gems |
| MP5A4 | Tier 3 weapon | 8 Gems |
| SKS | Tier 3 weapon | 8 Gems |
| Weapon Lasersight | Tier 3 weapon | 8 Gems |
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The Apprentice¶
When I need a known tool, I check the Apprentice instead of waiting for the Dealer's rotation. His permanent counter at Bandit Camp and Outpost stocks practical devices and encounter equipment. Its selling offers buy Blueprint Fragments, Blueprint Pages and Blueprint Books for Gems. Check the required amount: the fragment offer takes three at a time.

Read the SOS beacon or air-support instructions before using the equipment. The purchase itself is the quiet part.
Use: Speak to the Apprentice at the Gem Dealer compound.
Cost: Gemstones
The equipment counter is permanent; Sell Blueprint Items is a separate tab. Each sale needs the listed quantity of its blueprint item.
These are in-person trades. The stock report describes the rotating Dealer, not a new Apprentice rotation.
| Item | Trade | Gem payment |
|---|---|---|
| Cloned SOS Beacon | Buy 1 | Pay 15 Gems |
| AN/PEQ-15 Target Designator | Buy 1 | Pay 20 Gems |
| AC-130 Beacon | Buy 1 | Pay 30 Gems |
| Island Phone | Buy 1 | Pay 3 Gems |
| Blueprint Fragment | Sell 3 | Receive 1 Gems |
| Blueprint Page | Sell 1 | Receive 4 Gems |
| Blueprint Book | Sell 1 | Receive 10 Gems |
Operating instructions: Island Phone · Cloned SOS Beacon · F-15 designator · AC-130 Beacon.
The Apprentice buys Blueprint Fragments, Blueprint Pages and Blueprint Books. Check the quantity in each offer and keep the knowledge materials you still need before clearing a stack.
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Monument Vending¶
I check the settlement counters before searching another crate for one missing tool. Different shops carry building supplies, food, farming equipment, vehicle parts, diving gear and weapons. The location matters as much as the machine: one counter cannot promise another's stock. The trading guide puts the currencies and merchants together for planning a supply run.
Use: Read the machine and its location; different counters carry different work.
Cost: Usually Brindas
Stock is shared, and some arms offers rotate. Yesterday's shelf may have changed.
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Marketplace Delivery¶
The marketplace lets me sell beyond the people I can meet in a day's travel. Purchases arrive through the drone network, so the order still has a physical journey to complete. Check the quoted trade and delivery terms before paying; the mail and delivery guide covers the other ways to get an item across the island.
Use: Use a participating market terminal and leave room for the delivery.
Cost: The listed price and delivery terms
Black Market Buyer¶
Look for the Black Market Buyer when deciding what to do with a recovered Car Radio, MLRS Aiming Module or Cobalt paperwork. His counter pays physical Brindas. The Outpost and Bandit Camp buyers accept radios only; other equipped counters can buy the additional goods. Check the selected quantity before selling.
Approach the buyer and interact within 6 metres. Sell one item, ten, or all matching carried items.
Outpost and Bandit Camp buyers accept only car radios. Other buyers also accept MLRS modules and the two named Cobalt documents.
Cosmetic skins do not change acceptance. Cobalt paperwork must have the exact named document title; ordinary paper does not qualify.
| Sell one | Receive Brindas | Where accepted |
|---|---|---|
| Car Radio | 120 | Every buyer |
| MLRS Aiming Module | 700 | Outside Outpost and Bandit Camp |
| Cobalt Recovery Claims | 25 | Outside Outpost and Bandit Camp |
| Cobalt Route Docket | 35 | Outside Outpost and Bandit Camp |
Shopping from home¶
Order through the Island Computer's Shopping pages. An eligible personal terminal needs a suitable Mail Terminal with room for the whole purchase. Eligible checkouts can count currency in carried backpack contents too.
Selling a material is easy; remembering which recipe needed it is harder. Consult the recipe list before turning an unfamiliar ingredient into somebody else's bargain.