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