Enemy Alert


This mod alerts you when biters are grouping, attacking, or expanding, as well as when nests absorb pollution

Utilities
a day ago
2.0 - 2.1
2.35K

Changelog

Version: 1.2.0
Date: 2026-07-13
  Features:
    - Receive alerts from other planets, space platforms, and modded surfaces.
    - Set a per-player minimum attack-group size to suppress alerts for smaller attacks.
    - Optionally limit alerts to areas charted by the player's force.
  Bugfixes:
    - Remote pollution alerts could remain after disabling remote or pollution alerts.
Version: 1.1.0
Date: 2026-07-11
  Features:
    - Pollution alerts now point at the nests absorbing pollution instead of the player's position, and are shown on the map and minimap.
    - Nearby spawners are grouped into one alert per nest cluster, anchored at the densest chunk.
  Changes:
    - Spawners are tracked through map generation, enemy expansion and script events instead of surface scans, reducing runtime cost.
    - Pollution alerts are cleared promptly once nests stop absorbing pollution.
    - Reworded the pollution alert setting, toggle message and mod description from "spawners consuming" to "nests absorbing" pollution.
  Bugfixes:
    - The pollution alert message now shows the number of spawners instead of the amount of pollution absorbed.
Version: 1.0.3
Date: 2026-06-23
  Changes:
    - Updated to Factorio 2.1.
Version: 1.0.2
Date: 2025-04-12
  Bugfixes:
    - Fixed crash caused by compatibility issue with compound commands (#2)
Version: 1.0.1
Date: 2025-02-25
  Bugfixes:
    - Fixed that pollution alert deletes entities at the player position (#1)
Version: 1.0.0
Date: 2025-02-04
  Features:
    - Initial release.