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