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