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