- 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 Door. Place it inside your base.
Metal Door
Door built on a foundation. Becomes an entrance.
Made from metal, it is extremely durable.
How to build it
Everything you need
Every material for one Metal Door, down to raw materials. Tap a row to fold it.
Raw materials in total