How to trigger American doomsday jokes

There is a small egg in the American game "Doomsday", that is, Ellie will tell you a joke and wait for a minute in some specific places to win a trophy. Many players want to know where this joke egg can be triggered, and then "Deep Space Play" will bring you a list of trigger locations of American doomsday jokes. Interested players come and have a look.

1. Pittsburgh, before boarding.

2. The second floor of Pittsburgh Library.

3. Pittsburgh, enter the front area of the hotel and wait for Ellie.

4. In the hotel lobby, take the book and open the safe.

5. After I came out of the sewer with Brother Hei, I went to town and waited while wandering.