: Crucial documents found in the Zone, such as those from the Jupiter factory, can be sold to specific characters like Owl, Shulga, or Loki to earn the "Trafficker of Information" achievement.

: Most distributions, including GOG, allow for easy language switching through the Support Center or in-game settings. Completion & Strategy

: An advanced AI system where NPCs and mutants interact independently of the player, scavenging, fighting, and resting.

: Features a deep weapon and suit upgrade system, artifact hunting within anomalies, and a reputation system with factions like Duty and Freedom.

: A focused main story run takes roughly 15 hours , while a completionist run typically lasts over 30 hours .