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