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