Locations

It's easy to lose your bearings in Underrail, but a compass helps!

For an alphabetical list of locations, see Category:Locations.

For a full list of zones and corresponding map files, see Zones.

Underrail takes place in the south end of the titular Underrail, which is a vast system of metro station-states, abandoned underground complexes, natural caverns and tunnels, underground rivers and lakes.

Major locations

A list of the most important major urban areas in South Underrail. Some locations span multiple vertical levels.

Upper Underrail

The Upper Underrail was the residential zone of the big underground metro system before things went to hell.

Core City — A major city that spans both levels of Underrail and serves as a gateway between the levels and United Station territories that lie north of it. Introduced in version 0.1.12.0.

Fort Apogee — Protectorate's main base in South Underrail. Introduced in version 0.1.13.0.

Epione Lab — Important strategic location for Protectorate. Introduced in version 0.1.13.0.

Institute of Tchort — A Tchortist institute located in Upper Underrail. Introduced in version 0.1.14.0.

Lower Underrail

The Lower Underrail was the industrial/military zone of the big underground metro system before things went to hell.

Core City — A major city that spans both levels of Underrail and serves as a gateway between the levels and United Station territories that lie north of it. Introduced in version 0.1.12.0.

South Gate Station — Also known as SGS, it is the most powerful station in South Underrail and the player's home station.

Foundry — The industrial heart of Lower Underrail. Introduced in version 0.1.11.0.

Rail Crossing — An independent town built inside an old train depot. Introduced in version 0.1.10.0.

Caves

A set of natural caverns and underground rivers immediately below Lower Underrail. Waterways connect many of the settlements.

Core City — A major city that spans both levels of Underrail and serves as a gateway between the levels and United Station territories that lie north of it. Introduced in version 0.1.12.0.

South Gate Station — Also known as SGS, it is the most powerful station in South Underrail and the player's home station.

Junkyard — A crude, lawless settlement formed around a junkyard. Introduced in version 0.1.5.0.

Camp Hathor — A hunting settlement that produces most of Lower Underrail's meat. Introduced in version 0.1.11.0.

Deep Caverns

This is an upcoming location. Details may change before it is added to the game.

The underworld jungle - a place of grim reputation, source of many legends and superstitions. The deepest reaches of the caverns of Underrail. Home to the Tunnelers, also known as the Faceless.

Cytosene Outpost — A small outpost with an elevator connecting it to Underrail far above it.

Tunneler City — Rumored to exist somewhere in the Deeps, at the end of the longest Tunneler tunnel.

Secured and secret areas

Underrail rewards exploration and perceptive characters. There are secured and secret areas to be accessed all around. Finding these yields an experience bonus in addition to the loot and other benefits. Discovering secret areas is based on Perception score alone, unlike detecting traps and stealthed characters, which is based on Detection. The Snooping feat helps discovering secrets without high perception.

Secured areas

GMS compound level 1 room with backpack GMS compound level 2 storerooms with Mindshrooms in them Secret Old Junkyard entrance in Wormhole tunnel

Secrets

4 trapdoors in South Gate Outposts Door in Lower Underrail tunnels Secret passage in GMS compound level 2 Underwater rock bridge in the Caves between Mushroom Cove and Junkyard Underwater rock bridge in northeast Siphoner pools Underwater rock bridge in southeast Silent Isle Secret door in the security control room of Depot A east area (requires 10 perception) Hidden stash at a lunatic camp in Lower Underrail area 6 Secret crawlspace in Abandoned Warehouse Secret door leading to Deacon's shop behind Rail Crossing bar Hidden Ventilation Shaft in Buzzer's Shop's ventilation shafts Secret crawlspace in the warehouse from Dude's vision Underwater rock bridge in the caves south of Camp Hathor Door in Rathound King Lair Secret (trap)door in Evelyn's home in Foundry Trapdoor in Caves south of Crossroad Caves Secret door in Core City's Drop Zone leading to some pipeworks Trap door in inside one of Core City's Drop Zone buildings Door in north Core City Sewers Switch in northwest Core City Sewers leading to Cornell's hideout Ventilation Shaft in Institute of Tchort utility section Ventilation Shaft in Institute of Tchort west wing Secret crawlspace in Harpocrates Station Secret crawlspace in Upper Underrail Ventilation System

Zone Control

Main article: Zone Control

All zones in the game are split into 3 distinct categories of zone control: fully controlled, partially controlled and uncontrolled zones.

The Zone Control Indicator can be found in the upper right corner of game UI.