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