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