Stone Door

Foundations · StoneUnlock at Lv 19

Door built on a foundation. Becomes an entrance.
Made from stone, it is reasonably sturdy.

How to build it

  1. Reach level 19, open the Technology menu and unlock Stone Structure Set for 3 Technology points.
  2. Collect what you need:
    ×3Stone
  3. Open the Build menu (B on PC), go to the Foundations tab, then Stone, and pick Stone Door. Place it inside your base.

Try