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