There are virtually no accessible areas by the center of the Zone that you haven't been to yet. You've been a guest of almost every local anomaly.
― Achievement description
Obtaining this achievement requires the player to explore 18 anomalous areas throughout the game. In addition to the ones marked on the map, the Jupiter warehouse in Jupiter, and the rooftop of the Cement factory, also count for the achievement.
Consequences[]
Rare artifacts such as the Firefly, Bubble or Flame spawn more frequently in anomaly fields.
