City
Everything about growing your base: upgrades, buildings, research, resource management, the world map, and survivors.
- Community Verified
City & Base Rush Guide
How to rush Base/HQ efficiently using prerequisite planning, two builders, resource discipline, speedups, and alliance help.
Last verified
- Community Verified
HQ / Base Prerequisite Reference
Quick-reference table for HQ/Base requirements from level 2 through 30: prerequisite buildings and Food/Metal/Oil costs.
Last verified
- Community Verified
Research
All 15 tech trees, what they do, and the order experienced players research them in.
Last verified
- Community Verified
Resources
The resource types in the game and how to think about spending them as your base grows.
Last verified
- Needs Verification
World Map Zones
A lettered/numbered zone grid for the world map — useful shorthand for coordinating with your alliance without sharing raw coordinates.