: Essential for researching technologies, operating specialized machinery like the cement mill , and building advanced fortifications.
: To win, players must survive for approximately 25 to 30 game days, protecting a power generator from increasingly massive mutant hordes. Gameplay Mechanics (v29.07.2021 Era)
: Long-range, high-damage units effective against heavy mutants.
: Inspired by the Kingdom series, players control a commander (Ivan or Anna) who must manually run between defenses to issue orders, as the AI is intentionally passive and lacks autonomy.
: Specialized in scavenging scrap metal and food from debris and growths.
: Basic survivors who can be trained into specialized roles.
: Armed with submachine guns for ranged defense and surface expeditions.
By July 2021, the game featured several distinct unit classes and resource management systems: :