Field Notes


Atmospheric horror events triggered by your factory's pollution. Discover the previous engineer's notes as the air thickens.

Content
14 days ago
2.0
45
Combat Character Enemies Environment Manufacturing

Changelog

Version: 1.0.2
Date: 2026-06-07
  Bugfixes:
    - Fixed a crash at note 12 ("Detection") when playing alongside mods that store data per force,
      such as Factorio and Conquer / Factorio-Tiberium. The detection forces are now created at
      runtime so other mods register them properly; saves already affected repair themselves on
      load.
    - The Detection event can now corrupt turrets that were built before you were detected, instead
      of only ones placed afterward.
Version: 1.0.1
Date: 2026-05-18
  Balancing:
    - Lowered the pollution thresholds for the later notes so the full story is reachable in a
      normal playthrough. Note 12 now triggers around 2.5 million pollution on the Normal preset
      (was 30 million); the slowest preset, Mild, caps at 5 million.
Version: 1.0.0
Date: 2026-05-18
  Features:
    - Initial release.
    - Twelve of the previous engineer's notes surface as your factory's pollution rises.
    - A Field Notes log, reopened any time with Shift+N, keeps every note you have found.
    - Six difficulty presets, from None to Horror, plus a Custom preset that exposes
      pollution threshold scale, phantom alerts, alert frequency, and ambient audio.
    - Positional ambient horror audio that intensifies as more notes are found.