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