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
Reach Maximum Happiness in a Large Settlement
Kill 5 Giant Creatures
Placed A Grenade Or Mine While Pickpocketing
Hack 50 Terminals
Collect 20 Vault-Tec Bobbleheads
Create 50 Weapon Mods
Get a Homerun
Craft 100 Items
Collect 10 Vault-Tec Bobbleheads
Read 20 Magazines
Complete "Nuclear Family"
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Pick 50 Locks
Gather 1000 Resources Used For Crafting
Complete 10 Side Quests
Kill 300 People
Reach Maximum Relationship Level with a Companion
Build 100 Workshop Items
Complete "The Nuclear Option"
Decide the Fate of the Commonwealth
Reach Level 25
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Powering Up"
Complete "Mankind-Redefined"
Complete "Institutionalized"
Discover 100 Locations
Complete "The Molecular Level"
Join the Railroad
Complete "Old Guns"
Kill 300 Creatures
Complete "Hunter/Hunted"
Recruit 5 Separate Companions
Complete "Taking Independence"
Ally with 3 Settlements
Complete "Dangerous Minds"
Complete "Reunions"
Complete "Unlikely Valentine"
Get a Touchdown
Reach Level 10
Join the Brotherhood of Steel
Complete "Sanctuary"
Join the Minutemen
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
Collect all issues of "The Islander's Almanac" magazine
Unlock 3 Far Harbor Workshop Locations
Defeat 30 Far Harbor Sea Creatures
Cook One of the New Far Harbor Recipes
Complete the quest "Close to Home"
Complete the quest "Cleansing the Land"
Discover 20 Far Harbor Locations
Complete the quest "The Way Life Should Be"
Complete the quest "Where You Belong"
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
Complete 12 quests for any Nuka-World Raider Gangs
Establish 8 Raider Camps in the Commonwealth
Complete "Power Play"
Complete "Home Sweet Home"
Complete "The Grand Tour"
Complete "Taken for a Ride"
Collect every issue of Scav! Magazine
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