Full list of all 69 Fallout 76 achievements worth 1,490 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 4 DLC packs containing 19 achievements worth 490 Gamerscore.
Complete "Bunker Buster"
Join 20 Teams
Reach Level 25
Build 100 C.A.M.P. Items
Discover 100 Locations
Kill 5 Giant Creatures
Craft 5 Pieces of Armor
Build 20 C.A.M.P. Items
Kill a Wanted Player
Kill Another Player
Fully Rank Up one Perk
Kill 300 Creatures
Complete "Final Departure"
Complete "Second Helpings"
Build a C.A.M.P.
Collect a Bobblehead
Complete "Into the Fire"
Complete 20 Challenges
Reach Level 10
Gather 200 Pieces of Junk
Complete "First Contact"
Complete 5 Challenges
Craft a Weapon
Leave Vault 76
Complete "Recruitment Blues"
Complete "Heart of the Enemy"
Complete "Key to the Past"
Complete "Coming to Fruition"
Complete "One of Us"
Complete "Officer on Deck"
Complete "Mistress of Mystery"
Complete "Personal Matters"
Complete "Queen of the Hunt"
Complete the "Monster Mash" Event
Win the "Scorched Earth" Event
Win the "Breach and Clear" Event
Reach Level 100
Read 20 Magazines
Be at Ground Zero of a Nuclear Blast
Pick 50 Locks
Hack 50 Terminals
Mod 50 Weapons
Revive 20 Fallen Players
Possess 10,000 Caps
Play a Holotape Game
Kill 20 Players
Take 20 Photos
Collect 10 Bobbleheads
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.