Taking Independence
Complete “Taking Independence”
Continue to do quests for Preston until you unlock this Minutemen quest.
Old Guns
Complete “Old Guns”
This is another Minutemen quest that you will only unlock after completing a few tasks for Preston.
Semper Invicta
Join the Brotherhood of Steel
You do this by heading to the Cambridge Police Station in the northwestern part of the map.
Blind Betrayal
Complete “Blind Betrayal”
This trophy/achievement will pop after completing this Brotherhood of Steel mission, no matter which outcome occurs.
Ad Victoriam
Complete “Ad Victoriam”
This trophy/achievement will pop after completing this Brotherhood of Steel mission. You will have to betray the Railroad so make an extra save file if you’re trying to get all achievements in one run.
Tradecraft
Join the Railroad
You will be granted the title of Railroad Agent after completing the quest Tradecraft with Deacon. You’ll unlock this quest once you complete Road to Freedom, which tasks you with locating the Railroad.
Underground Undercover
Complete “Underground Undercover”
This mission requires you to progress the Institute section of the story, which has you working with Father. You will have to betray the Brotherhood of Steel, so make an extra save file if you want to get all trophies/achievements in one run.
Rockets’ Red Glare
Complete “Rockets’ Red Glare”
This quest will unlock as you progress with the Railroad faction. You will have to betray the Brotherhood of Steel at some point, so make an extra file just in case you want to try different options.
