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