No System, no golden finger, and no crushing opponents with a modern technology tree. Every survival skill must be learned from scratch, and the process is arduous and full of setbacks.
The growth of their faction is measured in years, with countless hardships along the way: hunger, betrayal, illness, and collapse.
Modern thinking can only be adapted in limited ways under specific circumstances, and must be tested and localized through long-term trial and error.
The story follows idealists as they gradually turn dark or hold fast to their principles in desperate circumstances, while friendships continually fracture and are rebuilt in the face of self-interest and the struggle to survive.