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For an alphabetical list of merchant NPCs, see Category:Merchants.
For a list of items by trading category, see Category:Trade categories.

It is a lens through which Humanity has quantificated the values of everything, as everything can be expressed through it - everything has a price.

Ferryman E, on currency

Traders, merchants or vendors are NPCs who trade items with the player.

Trading interface

The trading interface
  • You can't see the exact value of your trade, but the Refuses/Accepts bar should give you a rough idea
  • Alt-click or double-click items to quickly send them to trade
  • Shift-click items to split stacks
  • Reset button sends requested and offered items back
  • Auto button uses available currency items to equalize the trade
  • Trade button completes the trade
  • Offered items overlaid with X won't be accepted by the trader

Merchant properties


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The price modifier for items you purchase usually starts at 200% and can be lowered with your mercantile skill. Some traders may also offer you better deals than others.

Purchasing price is reduced by 1% (from the starting 200%) per point of mercantile skill. There's a hard cap that prevents items from being sold for less than 115% of their base cost[1].

Item prices when selling are affected only by the difficulty modifier and mercantile skill doesn't affect how much merchants are willing to pay for your items.

Currency is always valued at its base value, without any price modifiers. Traders usually only accept local currencies in trade.

Currency Value Accepted in
Icon SGS Credits 10 South Gate Station (local currency)
Icon Stygian Coin (Charons) 30 Everywhere in South Underrail
Icon United Stations Dollar 50 United Stations and Protectorate bases
Icon Zlatortiya 15 Nowhere in South Underrail, but Kokoschka exchanges it to stygian coins and can be used in Trgomat


Most merchant stores are restocked every 90 minutes of ingame time. But you can use "+" button to speed it up! On its max value you get about x3 reduction in real waiting time for ALL the ingame timers. That effectively turns an interval for merchants' restock to 30 minutes.

Items bought

Traders usually buy only certain types of items, and only in limited amounts. Merchants also have limited amount of money available. These limits reset when their inventory is restocked.

Salesman feat increases the amount of items you can sell and Major Supplier feat increases the amount of money that merchants are willing to spend buying from you.

Merchandise shipments

All merchants start with an initial merchandise shipment, but may acquire new shipments (or lose access to some shipments) during the game to change their store inventory. New shipments with higher level items or entirely new items will be available in some stores based on game progression (e.g. TNT Charges in SGS armory after the railroad blockade is cleared) and special merchandise shipments are available to players who invest in mercantile skill.

Special merchandise

As of version, certain merchants have special merchandise shipments available to characters with mercantile skill. See Category: Special merchants for a list of these merchants.

Special merchandise includes more and better quality components and equipment. Special merchandise comes in multiple tiers with increasing skill requirements each. In future versions, special merchandise may even include unique items that cannot be gained otherwise.

Merchant list

Lists of merchants in the base game and Expedition expansion.

Base game merchants
Character Location Merchant trade
Becket Free Drones Base Armory
Blaine Under-passages Armory
Booth Core City Sewers Hunting supplies
Fraser Fort Apogee Armory
Harlan Core City Armory
Kevin Foundry Armory
Len Junkyard Armory
Lieutenant Stratford Core City Armory
Lucas South Gate Station Armory
Ola Core City Armory
Oskar Core City Armory
Efreitor Hanna Institute of Tchort Armory
Rassophore Prevlic Cytosine Outpost Armory
Quinton South Gate Station Biology
Investigator Vuk Institute of Tchort Biology
Fixer Junkyard Chemical weaponry
Octavia Institute of Tchort Chemicals
Buzzer Rail Crossing Electronics
Ezra South Gate Station Electronics
Halim Core City Electronics
Katherine Junkyard Electronics
Myles Rail Crossing Electronics
West Foundry Electronics
Investigator Kiro Institute of Tchort Electronics
Arlene South Gate Station Food
Barkeeper (Foundry) Foundry Food
Barkeeper (Rail Crossing) Rail Crossing Food
Case Fort Apogee Food
Darling Free Drones Base Food
Freddy Camp Hathor Food
Gene Core City Food
Kareem Junkyard Food
Moe Core City Food
Zilla Core City Food
Theodore Institute of Tchort Food
Bobby Foundry General store
Constantine Oculus General store
Derica Core City General store
Lost Vault Trader Upper Caves General store
Marty Upper Underrail General store
Big Bret South Gate Station Hunting supplies
Fredd Camp Hathor Hunting supplies
Colton Junkyard Junk
Dirty Tom Core City Junk
Gort Junkyard Junk
Kendrick Junkyard Junk
Johan Junkyard Junk
Old Jonas South Gate Station,
Crossroad Watch
Rude Rob Hanging Rat Junk
Leo Deep Caverns Junk
Bryan Foundry Mechanical components
Harold South Gate Station Mechanical components
Luka Fort Apogee Mechanical components
Travis Rail Crossing Mechanical components
Leonie Foundry Metals
Messer Foundry Organs
Anastasia Fort Apogee Pharmacy
Doc Rail Crossing Pharmacy
Estelle Foundry Pharmacy
Fixer Junkyard Pharmacy
Fred Camp Hathor Pharmacy
Heidi Core City Pharmacy
Pasquale South Gate Station Pharmacy
Phyllis Oculus Pharmacy
Jerre Franz Institute of Tchort Pharmacy
Kimi Junkyard Plants
Deacon Rail Crossing Stealth equipment
Jack Quicksilver South Gate Station,
Core City
Stealth equipment
Al Fabet Core City Useless junk
Mute Fisherman Random event Fish
Expedition merchants
Character Location Merchant trade
Dude Dude's House - Caves The Juice
Ray Core City Jet ski parts
The Rig Jet ski parts
Murky The Rig Food, Ammunition
Ladelman Black Sea Expedition Camp Armory
Marcus Black Sea Expedition Camp Electronics
Doctor Savage Black Sea Expedition Camp Pharmacy
Aegis Sec-chef Black Sea Expedition Camp Food
Calamity Port Ceto Food
Donnie Port Ceto General
Katya Port Ceto Pharmacy
Eustace Mutie Refuge Hunting supplies
Mutie Chef Mutie Refuge Food
Ferryman Black Sea, B6
Black Sea, G1
Black Sea, J11
Black Sea, I8
Handmaiden Lemurian Health Center[1] Pharmacy
Traveling Merchant Random event General
Traveling Merchant Random event Electronics
Traveling Merchant Random event Mechanical
Traveling Merchant Random event Medicine
Traveling Merchant Random event Hunting
Traveling Merchant Random event Weapons
Pagos Random event Psi
Brer Hopperdrome Mechanical
Daphne Hopperdrome Food


[1] The pharmacist handmaiden in Lemurian Health Center's pharmacy has a random chance of appearing.