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