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