State of Survival Buildings: What Every Settlement Building Does
Every settlement building, what it unlocks, what it gates, and the level it should sit at. The reference that turns HQ requirements into a build order.
State of Survival HQ Requirements: 16–30 and Plasma Progression
Every HQ requirement from 16 to 30: prerequisite buildings, prosperity, resource costs, build times and what each level unlocks. Plus the Plasma HQ ladder.