- Reach level 30, open the Technology menu and unlock Metal Structure Set for 4 Technology points.
- Collect what you need:
- Open the Build menu (B on PC), go to the Foundations tab, then Metal, and pick Metal Wall. Place it inside your base.
Metal Wall
Walls built on foundations for keeping out intruders.
Made from metal, it is extremely durable.
How to build it
Everything you need
Every material for one Metal Wall, down to raw materials. Tap a row to fold it.
Raw materials in total