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.
Possess 10,000 Caps
Be at Ground Zero of a Nuclear Blast
Collect 10 Bobbleheads
Mod 50 Weapons
Complete "Recruitment Blues"
Complete "Mistress of Mystery"
Win the "Breach and Clear" Event
Win the "Scorched Earth" Event
Complete the "Monster Mash" Event
Reach Level 25
Kill 5 Giant Creatures
Complete "Coming to Fruition"
Discover 100 Locations
Pick 50 Locks
Complete "Key to the Past"
Build 100 C.A.M.P. Items
Take 20 Photos
Collect a Bobblehead
Kill 300 Creatures
Complete "Personal Matters"
Craft 5 Pieces of Armor
Complete 20 Challenges
Build 20 C.A.M.P. Items
Complete "Into the Fire"
Kill a Wanted Player
Kill Another Player
Reach Level 10
Complete "Final Departure"
Fully Rank Up one Perk
Gather 200 Pieces of Junk
Build a C.A.M.P.
Complete 5 Challenges
Play a Holotape Game
Complete "Second Helpings"
Complete "First Contact"
Craft a Weapon
Leave Vault 76
Complete "Heart of the Enemy"
Complete "Bunker Buster"
Complete "One of Us"
Complete "Officer on Deck"
Complete "Queen of the Hunt"
Join 20 Teams
Reach Level 100
Read 20 Magazines
Hack 50 Terminals
Revive 20 Fallen Players
Kill 20 Players
Reach Level 50
Complete "I Am Become Death"
Complete "The Elusive Crane"
Find the Overseer
Complete "Buried Treasure"
Complete "All That Glitters"
Complete Sofia's story
Complete Beckett's story
Become allies with Foundation
Become allies with Crater
Gain 300 gold bullion
Gain 1500 gold bullion
Complete “The Catalyst”
Earn Elder Rewards from a Daily Op
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