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