Full list of all 84 Fallout 4 achievements worth 1,600 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 6 DLC packs containing 34 achievements worth 600 Gamerscore.
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Complete "Institutionalized"
Complete "The Molecular Level"
Collect 20 Vault-Tec Bobbleheads
Placed A Grenade Or Mine While Pickpocketing
Join the Brotherhood of Steel
Complete "Hunter/Hunted"
Complete "Dangerous Minds"
Join the Railroad
Complete "Reunions"
Complete 50 Misc. Objectives
Recruit 5 Separate Companions
Reach Maximum Relationship Level with a Companion
Collect 10 Vault-Tec Bobbleheads
Complete 10 Side Quests
Complete "Unlikely Valentine"
Hack 50 Terminals
Kill 5 Giant Creatures
Reach Level 50
Get a Homerun
Discover 100 Locations
Kill 300 People
Craft 100 Items
Complete "Old Guns"
Reach Level 25
Complete "Taking Independence"
Read 20 Magazines
Kill 300 Creatures
Ally with 3 Settlements
Pick 50 Locks
Create 50 Weapon Mods
Join the Minutemen
Reach Level 10
Get a Touchdown
Gather 1000 Resources Used For Crafting
Complete "Sanctuary"
Complete "When Freedom Calls"
Build 100 Workshop Items
Reach Level 5
Enter The Wasteland
Play a Holotape Game
Complete "Mankind-Redefined"
Complete "Powering Up"
Complete "Nuclear Family"
Complete "Underground Undercover"
Complete "Rockets' Red Glare"
Reach Maximum Happiness in a Large Settlement
Complete "Restoring Order"
Complete "Headhunting"
Unlock 10 Robot Mods
Build 10 Robot Mods
Complete "Mechanical Menace"
Have 5 Tamed Creatures in a Settlement
Build One of Every Cage Type
Start a Spectated Arena Fight in a Settlement
Defeat 30 Far Harbor Sea Creatures
Complete the quest "Close to Home"
Complete the quest "Cleansing the Land"
Complete the quest "The Way Life Should Be"
Collect all issues of "The Islander's Almanac" magazine
Cook One of the New Far Harbor Recipes
Unlock 3 Far Harbor Workshop Locations
Discover 20 Far Harbor Locations
Complete the quest "Where You Belong"
Complete the quest "Far From Home"
Produce 100 objects from your builders
Assign a settler to a pillory
Display a weapon on a weapon rack, armor on an armor rack, and power armor in a power armor display.
Become Overseer
Equip Vault 88 suit and Pip-Boy on a settler
Unlock all Vault 88 build areas
Redeem 100,000 tickets at the Nuka-Cade
Complete "Power Play"
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Establish 8 Raider Camps in the Commonwealth
Complete "Home Sweet Home"
Complete 12 quests for any Nuka-World Raider Gangs
Create 20 different flavors of Nuka-Cola
Complete "The Grand Tour"
Collect every issue of Scav! Magazine
Complete "Taken for a Ride"