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