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.
Hack 50 Terminals
Complete "I Am Become Death"
Read 20 Magazines
Collect 10 Bobbleheads
Reach Level 100
Kill 20 Players
Revive 20 Fallen Players
Kill a Wanted Player
Kill Another Player
Complete "Mistress of Mystery"
Join 20 Teams
Be at Ground Zero of a Nuclear Blast
Win the "Scorched Earth' Event
Take 20 Photos
Pick 50 Locks
Play a Holotape Game
Win the "Monster Mash" Event
Complete "Heart of the Enemy"
Complete "Officer on Deck"
Build 100 C.A.M.P. Items
Reach Level 50
Complete "One of Us"
Complete "Bunker Buster"
Complete "Recruitment Blues"
Complete "Coming to Fruition"
Complete "Queen of the Hunt"
Win the "Breach and Clear" Event
Leave Vault 76
Mod 50 Weapons
Complete "Key to the Past"
Complete "First Contact"
Complete "Into the Fire"
Reach Level 25
Collect a Bobblehead
Discover 100 Locations
Complete "Final Departure"
Kill 5 Giant Creatures
Kill 300 Creatures
Complete "Personal Matters"
Build 20 C.A.M.P. Items
Craft 5 Pieces of Armor
Reach Level 10
Fully Rank Up one Perk
Complete "Second Helpings"
Build a C.A.M.P.
Craft a Weapon
Gather 200 Pieces of Junk
Complete 5 Challenges
Complete 20 Challenges
Possess 10,000 Caps
Complete Beckett's story
Complete Sofia's story
Complete "All That Glitters"
Complete "Buried Treasure"
Complete "The Elusive Crane"
Find the Overseer
Become allies with Foundation
Gain 300 gold bullion
Gain 1500 gold bullion
Become allies with Crater
Craft a 1 star legendary mod, a 2 star legendary mod, and a 3 star legendary mod
Earn Elder Rewards from a Daily Op
Complete “The Catalyst”
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