- Reach level 2, open the Technology menu and unlock Wooden Structure Set for 2 Technology points.
- Collect what you need:
- Open the Build menu (B on PC), go to the Foundations tab, then Wood, and pick Wooden Triangular Wall. Place it inside your base.
Wooden Triangular Wall
Triangular wall built on a foundation for keeping out intruders.
Made from wood, it breaks easily.