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