There is no system, no cheats, and no modern technology tree to crush. All survival skills need to be learned from scratch, and the process is difficult and tortuous.
The development of power is measured in "years" and has experienced countless setbacks such as hunger, betrayal, disease, and collapse.
Modern thinking can only be transformed to a limited extent in specific situations and requires long-term localized trial and error.
The process of idealists gradually becoming dark or persevering in desperate situations, and companionship is constantly torn and rebuilt in the face of interests and survival.
