Factions in Fallout 4 are the NPC associations and groups in the game. Your alliance to one of the 4 major factions will determine a significant portion of the story and Quests you have access to. At some point in the main story progression, you will have to choose alliance to 1 at the expense of the others. Spend some time getting to know each faction and their motivations before committing to their cause.

All Factions in Fallout 4

 

Minor Factions in Fallout 4

 

 

 

Faction Guide in Fallout 4

Faction Hostility in Fallout 4

Interacting with Factions will improve your standing with them in Fallout 4. These Factions may clash and conflict with each other so your interactions with one may affect your relationships with another, ending certain Faction questlines and making them hostile. This is affected by progressing through specific Quests related to Factions that go against another Faction's values or beliefs. Players can check to see which Factions different factions have a hostile relationship with below. Toward the Ending of the main story of the game, players will need to make a final conclusion as to which Faction they align to unravel their final ending based on the decisions made.

Faction Quests in Fallout 4

Completing the quests specified in the 'Hostile Factions' sections below will cause any of the remaining quests of the now-hostile faction to fail/become unavailable. Consult the Quests order if you are trying to complete as many of the quests as possible during one playthrough. The game will prompt you prior to making 1 of these decisions.

 

Main Faction Guide Fallout 4

Brotherhood of Steel

elder maxson
Elder Maxson

 

brotherhood of steel faction fallout 4 wiki guide 75px4 About the Brotherhood of Steel Fallout 4

The Brotherhood of Steel is one of the most important organizations in the wasteland. They focus on preserving advanced technology and are the faction most resembling traditional military organizations and present themselves as protectors of humanity with any means necessary approach. They are the primary wearers of the series' iconic Power Armor.

First Encounter:

  • Witnessing a Brotherhood airship fly overhead for the first time and listening to the accompanying Military Frequency AF95 which is a recruitment message. Follow the instructions in the message to meet the Brotherhood.
  • During the Brotherhood quest Reveille, which is triggered upon discovering the Cambridge Police Station for the first time. The Police Station is being overrun by a Feral Ghoul horde and you may intervene and help the Brotherhood repel the attack.

Hostile Factions:

Becomes hostile towards you by:

 

The Institute 

father
Father

 

institute faction fallout 4 wiki guide 75px2 About The Institute Fallout 4

They are concerned with the preservation of humanity via technology and are involved in the production of Synths which they use as their security force along with their deadly special ops coursers.

First Encounter:

  • You first encounter the Institute during the main quest Institutionalized after building the required components to teleport in during the quest The Molecular Level. Traveling there is an integral element of the main story as the player character follows a trail of clues towards understanding what has transpired in the world.

  • Prior to this encounter, the Institute are only referred to as a rumor, with varying degrees of belief in their existence by the inhabitants of the commonwealth.

Hostile Factions: 

Becomes hostile towards you by:

 

Minutemen

preston garvey
Preston Garvey

 

minutemen faction fallout 4 wiki guide 75px1 About Minutemen Fallout 4

They operate as a citizen protection group and are trying to regain trust again after their dark past. Minutemen are the primary faction for creating networked settlements. Preston Garvey is their de-facto leader, but he will confer to you the title of General if you aid their cause.

First Encounter:

  • You will encounter them early on, near Sanctuary at the Museum of Freedom. They are holed up in the building defending themselves against a Raider attack. Afterwards they become nomadic until settling down in Sanctuary with the goals of expanding their settlement connections. Setting up key Minutemen settlements in locations across the Commonwealth and keeping trade routes going and the population happy affects future Minutemen Quests.

Hostile Factions:

  

The Railroad

desdemona
Desdemona

 

railroad faction fallout 4 wiki guide 75px3 About The Railroad Fallout 4

They are concerned with equal rights for synthetic humans. Operating as an underground liberation force similar to the historical Underground Railroad which escorted slaves to freedom, the Railroad works to free and ensure the future safety of synths created by The Institute. They defend themselves from attack by the Brotherhood of Steel who are opposed to their synth freedom fighting.

First Encounter: 

In order to encounter this Faction, there will be a number of interactions or encounters that will lead you to the trail to the Rainroad including the following: 

Hostile Factions:

Becomes hostile towards you by:

 



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