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Fallout 4 (FO4)

All Hallows' Eve Walkthrough

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★ Best Starting Stats | How to Level Up Fast
☆ Best Ending | What is the Max Level?
★ Best Perks | Best Companion Perks
☆ Best Side Quests | Missables
★ Power Armor Locations | Fusion Core Locations

Fallout 4 - All Hallows

All Hallows' Eve is a Side Quest in Fallout 4 (FO4). Read on for a full All Hallows' Eve walkthrough and learn All Hallows' Eve location and rewards.

List of Contents

All Hallows' Eve Location

Where to Start All Hallows' Eve

Map View
Fallout 4 - Harbormaster Hotel Location
Harbormaster Hotel
Quest Giver Automatically available after leaving Vault 111.

All Hallows' Eve Walkthrough

All Hallows' Eve Objectives

  1. Listen to the Mysterious Signal
  2. Investigate the New England Technocrat Society
  3. Defend yourself from the Feral Ghouls
  4. Find a Way to Escape
  5. Search for Password Clues
  6. Examine the Control Terminal

Listen to the Mysterious Signal

Harbormaster Hotel Location
Fallout 4 - Harbormaster Hotel Location
Harbormaster Hotel Entrance
Fallout 4 - Harbormaster Hotel Entrance.png

Tune in to the Mysterious Signal to locate the Harbormaster Hotel. You can listen to it by navigating to the Radio menu of your Pip-Boy and selecting the Mysterious Signal frequency.

Mysterious Signal Bug Fix

There is a bug where the Mysterious Signal is completely silent. You can fix this by directly going to the Harbormaster Hotel and entering the New England Technocrat Society section to proceed with the next step of the quest.

How to Fix Mysterious Signal Bug

Investigate the New England Technocrat Society

Fallout 4 - New England Technocrat Society Section

Inside the Harbormaster Hotel, enter the New England Technocrat Society section which is located in front of the elevator.

Defend Yourself from the Feral Ghouls

Fallout 4 - Feral Ghoul Ambush

Kill all the Feral Ghouls during the ambush. There will be a couple of mini-boss ghouls throughout the fight and you may need to use Chems to buff your damage to defeat them.

Find a Way to Escape

Fallout 4 - Keypad at End of the Hallway

Go through the hallway to the right of the stage and interact with the keypad of the locked door at the end.

Search for Password Clues

Fallout 4 - Lana

Pick up Lana's Notes from a nearby corpse and it will instruct you to investigate each room in the hallway to deduce the password. The password to the locked door is 4346.

Examine the Control Terminal

Fallout 4 - AI Control Terminal

Inside the locked room, access the AI Control Terminal and disable the AI Control System to end the quest.

Do not forget to pick up the De-Capitalist Helmet on the Power Armor frame nearby, as well as the Picket Fences Halloween Special magazine near the terminal to unlock Halloween Decorations for your settlement.

All Hallows' Eve Quest Summary and Rewards

All Hallows' Eve Overview
Rewards ・XP: 362
・De-Capitalist Helmet
・Halloween Decorations

Fallout 4 Related Guides

Fallout 4 Side Quests

All Side Quests List and Best Side Quests

Side Quest Guides

Next-Gen Update Quests
When Pigs Fly Best of Three
Crucible Speak of the Devil
All Hallows' Eve Echoes of the Past
Pyromaniac -
Side Quests
The Silver Shroud The Devil's Due
The Big Dig The Memory Den
Public Knowledge Trouble Brewin’
Long Road Ahead Special Delivery
Pickman's Gift Human Error
Vault 81 Pull the Plug
Here, Kitty Kitty Hole in the Wall
Diamond City Blues Confidence Man
Cambridge Polymer Labs Order Up
Mystery Meat The Disappearing Act
Out in Left Field Vault 75
Dependency Here There Be Monsters
Curtain Call Painting the Town
Emogene Takes a Lover Short Stories
Banished from The Institute Last Voyage of the USS Constuitution

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