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.
Collect 20 Vault-Tec Bobbleheads
Collect 10 Vault-Tec Bobbleheads
Get a Homerun
Complete 50 Misc. Objectives
Kill 5 Giant Creatures
Hack 50 Terminals
Placed A Grenade Or Mine While Pickpocketing
Reach Level 50
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Complete "Rockets' Red Glare"
Craft 100 Items
Complete "Underground Undercover"
Complete "Powering Up"
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Complete "Hunter/Hunted"
Complete "Dangerous Minds"
Complete "Reunions"
Play a Holotape Game
Complete "Unlikely Valentine"
Recruit 5 Separate Companions
Complete "Old Guns"
Complete "Taking Independence"
Read 20 Magazines
Build 100 Workshop Items
Create 50 Weapon Mods
Complete 10 Side Quests
Join the Railroad
Reach Level 25
Kill 300 People
Ally with 3 Settlements
Join the Minutemen
Reach Maximum Relationship Level with a Companion
Discover 100 Locations
Pick 50 Locks
Join the Brotherhood of Steel
Kill 300 Creatures
Get a Touchdown
Gather 1000 Resources Used For Crafting
Reach Level 10
Complete "Sanctuary"
Complete "When Freedom Calls"
Reach Level 5
Enter The Wasteland
Complete "Nuclear Family"
Complete "Blind Betrayal"
Complete "Ad Victoriam"
Reach Maximum Happiness in a Large Settlement
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
Complete the quest "Close to Home"
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"
Collect all issues of "The Islander's Almanac" magazine
Defeat 30 Far Harbor Sea Creatures
Cook One of the New Far Harbor Recipes
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
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"
Complete "The Grand Tour"
Complete "Taken for a Ride"
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