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