Bunker

The recipe for bunker is acquired at age 23.

Crafting
The bunker is crafted from 5 berries, 15 iron, 30 Stone, and 50 wood.

The bunker can be used along with 30 Iron, to create a fallout shelter.

Usage
When a Catapult launches a Bomb, the bunker is destroyed, but anyone in it survives. The bunker can hold up to 5 people.