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