Full list of all 72 Fallout 76 achievements worth 1,580 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 5 DLC packs containing 22 achievements worth 580 Gamerscore.
Join 20 Teams
Complete "I Am Become Death"
Reach Level 100
Complete "Officer on Deck"
Complete "One of Us"
Complete "Bunker Buster"
Win the "Breach and Clear" Event
Win the "Scorched Earth" Event
Complete "Recruitment Blues"
Take 20 Photos
Reach Level 50
Complete "Coming to Fruition"
Read 20 Magazines
Kill a Wanted Player
Complete "Queen of the Hunt"
Complete "Key to the Past"
Possess 10,000 Caps
Complete "Into the Fire"
Kill 5 Giant Creatures
Kill Another Player
Mod 50 Weapons
Collect 10 Bobbleheads
Discover 100 Locations
Reach Level 25
Complete "Personal Matters"
Pick 50 Locks
Craft 5 Pieces of Armor
Build 100 C.A.M.P. Items
Kill 300 Creatures
Complete "Final Departure"
Reach Level 10
Complete 20 Challenges
Collect a Bobblehead
Complete "Second Helpings"
Fully Rank Up one Perk
Complete "First Contact"
Build 20 C.A.M.P. Items
Gather 200 Pieces of Junk
Build a C.A.M.P.
Complete 5 Challenges
Craft a Weapon
Play a Holotape Game
Leave Vault 76
Complete "Heart of the Enemy"
Complete "Mistress of Mystery"
Complete the "Monster Mash" Event
Be at Ground Zero of a Nuclear Blast
Hack 50 Terminals
Revive 20 Fallen Players
Kill 20 Players
Complete Sofia's story
Complete "Buried Treasure"
Gain 300 gold bullion
Complete Beckett's story
Complete "The Elusive Crane"
Find the Overseer
Complete "All That Glitters"
Become allies with Foundation
Become allies with Crater
Gain 1500 gold bullion
Earn Elder Rewards from a Daily Op
Complete “The Catalyst”
Craft a 1 star legendary mod, a 2 star legendary mod, and a 3 star legendary mod
Lead and complete "Union Dues" and "From Ashes to Fire"
Complete 10 Favors for people in The Whitespring Refuge
Kill 100 Trogs with an Auto Axe
Lead and complete “Tax Evasion” and “The Most Sensational Game”
Kill 10 Lesser Devils with a melee weapon.
Build 5 casino games in your CAMP.
Lead and Complete "The Human Condition"
Complete "Sins of the Father"
Kill 100 Overgrown with fire