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