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