The story of the Sole Survivor in can end in multiple ways, depending on who you ally with. For most of the game, you can freely help out the major factions of the wasteland, regardless of what they think of the others. However, at a critical point in the main story, you must decide whether to side with your family or protect your new world.
[Warning: The following article contains spoilers for Fallout 4.]
Technically, only two main endings correlate with a main quest: Nuclear Family, in which youside with the Institute and Shaun, the Sole Survivor's son, or The Nuclear Option, where you work with either the Minutemen, the Brotherhood of Steel, or the Railroad to destroy the Institute. However, since The Nuclear Option can vary depending on who you ally with, fans consider to have four different endings.
For most of the main story, your decisions and interactions may change specific details but don't result in a different ending. Eventually, you will complete the "" quest, reuniting with Shaun and exploring the Institute. Upon completing the quest, you have a few options for proceeding. The ending you want dependson the quest you choose to follow and who you choose to ally yourself with.
Faction
Starting Quest
Requirements
The Minutemen
Inside Job
Speak to Sturges after completing ""
The Brotherhood of Steel
From Within
Speak to Elder Maxson after completing ""
The Railroad
Underground Undercover
Speak to Desdemona after completing ""
The Institute
Synth Retention
Automatically activated after completing ""
The quest associated with a non-Institute faction will automatically activate if you worked with that faction during «The Molecular Level» to access the Institute. While you will always get the Institute's quest, you can ignore it and follow the quest line for your chosen faction instead. While the unmemorable story can be a harsh reality of playing , helping your favorite faction can be an exciting ending to the game.
Although the Minutemen
Read more on screenrant.com