|The following is based on Fallout Shelter or Fallout Shelter Online and some details might contradict canon.|
The dwellers must make their way through the ruined library which contains radroaches and mole rats, sometimes lead by a mole rat brood mother. Howard Phillips will be in the second room of the second floor and will reward the dwellers with a ghost costume.
|Opening dialogue||Dweller response||Character response|
|Happy Halloween! I'm Howard Phillips, the caretaker of this old library.
Thank you for taking care of our pest problem.
|Do you know anything about Vault 31?||No, but ask Herb Vest at the old candy factory. And here, take my costume.|