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