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