Fallout 4 quests

Template:Fallout 4 quests project

* For quests in other *Fallout* games, please see "Quest".
* For an overview of *Fallout 4* content, please refer to "Portal:Fallout 4".

## Main storyline

### Prologue

The prologue is set in the year 2077, and consists of a single quest, which does not appear in the player character's quest log.

### Act 1

Act 1 begins when the Sole Survivor awakens in the year 2287, over 200 years after entering their cryo pod in Vault 111.

### Act 2

The beginning of act 2 is heralded by the arrival of The Prydwen, opening up the majority of the Brotherhood of Steel quests.

### Act 3

Act 3 begins when the Sole Survivor first sets foot in The Institute.

At this point, the main quest's structure becomes similar to the one from *Fallout: New Vegas*. There are four different branches, one for each faction, and certain events in those quests can make certain factions hostile to the Sole Survivor, thus locking them from those branches and failing all of that faction's on-going quests. In some situations, this can be delayed (or even accelerated) with certain actions or certain dialogue choices.

Should the player decide to oppose The Institute by supporting any of the other three factions, the main quest ends with The Nuclear Option quest (there are actually three variants of the same quest, one for each faction opposing The Institute). However, should the player join and support The Institute, the main quest ends with the Nuclear Family quest.

The following quests become available after completing The Molecular Level:

* Institutionalized (The Institute branch) - starts automatically.
* From Within (Brotherhood of Steel branch) - given by Elder Maxson if the player completed Show No Mercy, or is given automatically if the player used the Brotherhood of Steel to advance in The Molecular Level.
* Inside Job (The Minutemen branch) - given by Sturges if the player completed Old Guns, or is given automatically if the player used the Minutemen to advance in The Molecular Level.
* Underground Undercover (The Railroad branch) - given by Desdemona if the player joined the Railroad by completing the Tradecraft quest, or is given automatically if the player used the Railroad to advance in The Molecular Level.

## Miscellaneous quests

These quests are displayed under the section "Miscellaneous" of the Pip-Boy.

## Unmarked quests

These are quests that can be completed for certain rewards, but do not appear in your Pip-Boy.

## Companion quests

The following quests are given once the player gains enough affinity with a particular companion.

## Settlement quests

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In addition to the Help defend (settlement name) quests, there are a number of unmarked quests associated with settlements.

## *Automatron*

These quests are only playable after *Automatron* has been installed.

## *Far Harbor*

These quests are only playable after *Far Harbor* has been installed.

## *Vault-Tec Workshop*

These quests are only playable after *Vault-Tec Workshop* has been installed.

## *Nuka-World*

These quests are only playable after *Nuka-World* has been installed.

## Notes

* The Brotherhood of Steel, the Institute, and the Railroad are mutually hostile. Progressing through one's questline will eventually make the player hostile to the other factions.
* Siding with the Institute might make the Minutemen hostile, but this can easily be avoided with Charisma checks and selecting the correct dialogue choices.
* The Minutemen route only becomes available if the player character is hostile with the Institute, either by attacking them or by getting into a heated argument with Father. If the player character wishes to end the main quest by siding with the Minutemen, the Institute is the only faction that needs to be destroyed.
* The Minutemen can also become hostile with The Railroad if they don't sound the evacuation signal during the Nuclear Option quest.
* The Minutemen can also destroy the Brotherhood of Steel if they later get into a hostile relationship with the player character, even if the player character sided with the Brotherhood in order to finish the main quest.

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