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