Fallout 4 has seen a massive increase in players ever since Bethesda worked with Amazon to release the Fallout TV show. For those wanting the best gameplay in a Fallout game, this game is certainly the one to try out.

Within the game, players will come across countless quests (and some are better than others). One game that players will come across is known as "The Big Dig," and it is a pretty suspicious quest. Here's how players can find and complete this quest.

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How To Start The Big Dig

Fallout 4 - Bobbi

To begin this quest, players should head to Goodneighbor, a neighborhood around Boston. The area is actually to the northwest of the Harbormaster Hotel, an area that is essential to the quest "All Hallow's Eve." Once players make it to Goodneighbor, they can head to the backstreet to the building known as "Bobbi's Place" (which is also located on the local map). Once there, Bobbi will ask if the player is interested in a job, and if they say yes, she will let them in.

Fallout 4 - Bobbi's Dig

Once inside her house, Bobbi will tell you that the job is a very delicate job that requires not asking any questions and just doing what she says. She will then send you down a hole to a place known as "The Dig." Upon reaching the area, the player and the two who have already been hired are attacked by Mirelurks, who need to be killed. The fellow workers will then run off, leaving you and Bobbi to figure out what to do next.

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The Big Dig Walkthrough

Fallout 4 - Bobbi in Diamond City

Bobbi will send the player to Diamond City to meet her in order to continue the dig. Once there, she will say that she has someone in mind to help with the mission, but there is a bit of a problem. Apparently, the person she wants to hire is currently in jail, which means the player needs to break them out. She will then admit that her ultimate goal is to break into the strongroom under Diamond City in order to steal from the mayor and make tons of Caps. The player will then need to head to Diamond City's Security Office.

Fallout 4 - Mel

Inside the Security Office, the player will find Mel sitting in a cell. There are several ways to break him out, especially after speaking with him. Remember, if a guard catches anyone committing a crime, they will turn hostile. Here is every way that he can be broken out of his cell:

  • Pickpocket a key from a guard and sneak him out.
  • Steal a key from the office nearby and sneak him out.
  • Hack the Police Protectron nearby to kill the guards.
  • Bribe the guards to let him out.
  • Wait one day, and he will be released from jail.

Once Mel is released, tell him about Bobbi's plan, and he will meet the player and Bobbi at The Dig.

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Fallout 4 - Sonya at Bobbi's Dig

Once everyone is back at The Dig, Mel will announce that he has built a robot named Sonya. Sonya will blast through the dig site to make it easier to reach the strongroom. From here, enter the dig site and look for walls that can be interacted with; these are the ones that Sonya can destroy. Bobbi mentions that the group will want to continue heading southwest to reach the location under Diamond City. However, Mel will consistently mention that he thinks they are heading too far south to be headed toward Diamond City.

Fallout 4 - Train Station at Bobbi's Dig

As the group continues through the tunnels, they will run into enemies each time they enter into a new area. Eventually, Bobbi will mention that they have reached below a brewery, which will require the player to interact with a nearby terminal in order to continue. Once the door is opened, several Feral Ghouls will attack the group. Once they are taken care of, head to the final wall the Sonya needs to destroy.

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Fallout 4 - Telling Mel to go ahead

At this point, a lot of players report a glitch that doesn't allow them to interact with the final wall of the quest. However, this isn't a glitch at all. Instead of interacting with the wall, speak to Mel once he and Bobbi are in the room. He will mention that beyond the wall is the strongroom, but he doesn't believe Bobbi that it is actually below Diamond City. The player will need to tell him they are ready to blow through it. Once this final wall is down, Bobbi and Mel will disagree that they are under the mayor's office of Diamond City. No matter which the player sides with, Bobbi will get her way, and Mel will have Sonya destroy the ceiling, allowing the trio to enter the strongroom.

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Side With Bobbi Or Fahrenheit?

Fallout 4 - Meeting Fahrenheit

Once inside the strongroom, the group is stopped by Fahrenheit, who will tell the player and Mel that Bobbi has lied to them. The strongroom isn't in Diamond City at all; instead, it is owned by Goodneighbor's mayor, Hancock. From here, the player must decide what to do:

  • Stay with Bobbi
  • Betray Bobbi
  • Convince Bobbi to leave

If Bobbi is convinced to leave, Fahrenheit will give the player the Ashmaker, a legendary minigun. If she is betrayed, the player will be forced to kill Bobbi to help the mayor, and Fahrenheit will give them the Ashmaker. Finally, if they stay with Bobbi, Fahrenheit will be killed, and the gun can be looted from her body. For convincing her to leave or killing her, Hancock will become a follower. If the player stays with Bobbi, they will need to kill her for the mayor before he becomes a follower. The best option is to convince her to leave, but if that isn't an option, then killing her is probably the best choice.

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Fallout 4 Tag Page Cover Art
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Top Critic Avg: 87 /100 Critics Rec: 89%
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Released
November 10, 2015
ESRB
M FOR MATURE: BLOOD AND GORE, INTENSE VIOLENCE, STRONG LANGUAGE, USE OF DRUGS
Developer(s)
Bethesda
Publisher(s)
Bethesda
Engine
Creation
Cross-Platform Play
no
Cross Save
no
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WHERE TO PLAY

SUBSCRIPTION
DIGITAL
PHYSICAL
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