Skip to main content
Version: Book 2

Iron Tangle Corporation

Overview​

The in-dungeon narrative fiction for Floor 4's setting. The Iron Tangle Corporation is the fictional operator of the vast underground rail network that forms the environment of Floor 4.

First Appearance​

Book 2, Chapter 74

Known Facts​

  • The network consists of double-sided "noodle" tracks — each track tube has an upper side and an inverted lower side, both functional and inhabited.
  • Named trains, when viewed from above, trace the Iron Tangle Syndicate logo — a deliberately arranged map.
  • Station numbering is non-sequential and relates to train routes rather than geography. Stairwell access is found at specific stations; some stairwells are on the inverted side.
  • Six Station Mimics occupied key hub stations, concealing stairwells and generating enormous crawler death tolls. The Mimic Rex occupied Station 433.
  • The Iron Tangle Corporation's lore parallels the H'lene — an ancient alien race that set up six waystations near the galactic center to rob and eat travelers, before being destroyed by the Valtay Corporation and the orcs.

Editor Notes​

The Iron Tangle is the narrative framing for Floor 4, not a real in-world political entity. It is the dungeon's constructed setting backdrop.

Appearances​

  • Book 2, Chapters 74–108