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