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