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