What's the use of three items of the Queen of Famine Pig Town?

The functions of the three items of the Queen of Famine Pig Town are as follows.

From left to right, there are town keys (unlocking the construction, land and safety contracts of urban buildings), crossing device parts (device parts) and demolition hammers (demolition of urban buildings). Give the queen the following things to get the key to unlock: crown, scepter, gem truffle, blue pig head.

Introduction:

Famine is an action adventure survival game developed by Klei Entertainment. 20 13 was released on PC on April 23rd, and 20 15 was released on iOS on July 9th. The game tells the story of a scientist being transported to a mysterious world by the devil, and players will survive and escape in this different world.

Famine tells the story of a scientist Wilson who is transported to another world by the devil. He must use his wisdom to survive in the cruel wild environment. In the famine, players must use the natural resources of different worlds to survive and resist the threats of various creatures in different worlds.