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