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 50 Misc. Objectives
Kill 5 Giant Creatures
Craft 100 Items
Get a Homerun
Create 50 Weapon Mods
Collect 20 Vault-Tec Bobbleheads
Reach Level 50
Collect 10 Vault-Tec Bobbleheads
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Nuclear Family"
Complete "Powering Up"
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Complete "Ad Victoriam"
Complete "Mankind-Redefined"
Complete "Old Guns"
Build 100 Workshop Items
Complete "Blind Betrayal"
Complete "Institutionalized"
Hack 50 Terminals
Complete "The Molecular Level"
Read 20 Magazines
Join the Railroad
Reach Maximum Relationship Level with a Companion
Kill 300 People
Join the Brotherhood of Steel
Complete "Hunter/Hunted"
Pick 50 Locks
Reach Level 25
Discover 100 Locations
Placed A Grenade Or Mine While Pickpocketing
Complete "Taking Independence"
Kill 300 Creatures
Gather 1000 Resources Used For Crafting
Complete "Dangerous Minds"
Complete 10 Side Quests
Complete "Reunions"
Get a Touchdown
Recruit 5 Separate Companions
Complete "Unlikely Valentine"
Ally with 3 Settlements
Reach Level 10
Complete "Sanctuary"
Join the Minutemen
Reach Level 5
Complete "When Freedom Calls"
Enter The Wasteland
Play a Holotape Game
Complete "Restoring Order"
Complete "Headhunting"
Unlock 10 Robot Mods
Build 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
Defeat 30 Far Harbor Sea Creatures
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"
Cook One of the New Far Harbor Recipes
Complete the quest "Where You Belong"
Unlock 3 Far Harbor Workshop Locations
Discover 20 Far Harbor Locations
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.
Assign a settler to a pillory
Produce 100 objects from your builders
Become Overseer
Unlock all Vault 88 build areas
Equip Vault 88 suit and Pip-Boy on a settler
Complete "Taken for a Ride"
Complete 12 quests for any Nuka-World Raider Gangs
Collect every issue of Scav! Magazine
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
Complete "The Grand Tour"
Complete "Home Sweet Home"
Complete "Power Play"