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 "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Ad Victoriam"
Complete "The Nuclear Option"
Complete "Blind Betrayal"
Placed A Grenade Or Mine While Pickpocketing
Complete "Nuclear Family"
Decide the Fate of the Commonwealth
Complete "Powering Up"
Reach Maximum Happiness in a Large Settlement
Collect 20 Vault-Tec Bobbleheads
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Kill 5 Giant Creatures
Get a Homerun
Join the Railroad
Complete "Hunter/Hunted"
Collect 10 Vault-Tec Bobbleheads
Reach Level 50
Complete 50 Misc. Objectives
Complete "Old Guns"
Complete "Taking Independence"
Recruit 5 Separate Companions
Hack 50 Terminals
Complete "Dangerous Minds"
Complete "Reunions"
Complete "Unlikely Valentine"
Create 50 Weapon Mods
Kill 300 People
Complete 10 Side Quests
Reach Level 25
Reach Maximum Relationship Level with a Companion
Read 20 Magazines
Kill 300 Creatures
Discover 100 Locations
Craft 100 Items
Pick 50 Locks
Get a Touchdown
Join the Brotherhood of Steel
Ally with 3 Settlements
Build 100 Workshop Items
Gather 1000 Resources Used For Crafting
Reach Level 10
Complete "Sanctuary"
Join the Minutemen
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Play a Holotape Game
Build 10 Robot Mods
Complete "Restoring Order"
Complete "Headhunting"
Unlock 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
Collect all issues of "The Islander's Almanac" magazine
Defeat 30 Far Harbor Sea Creatures
Cook One of the New Far Harbor Recipes
Unlock 3 Far Harbor Workshop Locations
Complete the quest "Close to Home"
Complete the quest "Cleansing the Land"
Complete the quest "The Way Life Should Be"
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
Collect every issue of Scav! Magazine
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Create 20 different flavors of Nuka-Cola
Complete "Power Play"
Establish 8 Raider Camps in the Commonwealth
Complete "Home Sweet Home"
Complete 12 quests for any Nuka-World Raider Gangs
Complete "The Grand Tour"
Complete "Taken for a Ride"