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