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
Collect 20 Vault-Tec Bobbleheads
Collect 10 Vault-Tec Bobbleheads
Complete 10 Side Quests
Placed A Grenade Or Mine While Pickpocketing
Hack 50 Terminals
Reach Maximum Relationship Level with a Companion
Create 50 Weapon Mods
Complete "The Nuclear Option"
Complete "Ad Victoriam"
Complete "Blind Betrayal"
Complete "Nuclear Family"
Decide the Fate of the Commonwealth
Complete "Rockets' Red Glare"
Complete "Underground Undercover"
Complete "Powering Up"
Kill 300 People
Read 20 Magazines
Complete "Mankind-Redefined"
Complete "Institutionalized"
Complete "The Molecular Level"
Craft 100 Items
Join the Railroad
Reach Level 25
Complete "Hunter/Hunted"
Discover 100 Locations
Complete "Dangerous Minds"
Complete "Reunions"
Pick 50 Locks
Kill 300 Creatures
Gather 1000 Resources Used For Crafting
Get a Homerun
Complete "Unlikely Valentine"
Recruit 5 Separate Companions
Play a Holotape Game
Complete "Old Guns"
Build 100 Workshop Items
Complete "Taking Independence"
Ally with 3 Settlements
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
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
Unlock 3 Far Harbor Workshop Locations
Complete the quest "Cleansing the Land"
Cook One of the New Far Harbor Recipes
Complete the quest "Close to Home"
Discover 20 Far Harbor Locations
Complete the quest "The Way Life Should Be"
Collect all issues of "The Islander's Almanac" magazine
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
Complete 12 quests for any Nuka-World Raider Gangs
Establish 8 Raider Camps in the Commonwealth
Complete "Power Play"
Complete "Home Sweet Home"
Redeem 100,000 tickets at the Nuka-Cade
Complete "The Grand Tour"
Collect every issue of Scav! Magazine
Defeat 40 Nuka-World Creatures while under the effect of any Nuka-Mix flavor
Create 20 different flavors of Nuka-Cola
Complete "Taken for a Ride"