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 25
Complete "Mistress of Mystery"
Revive 20 Fallen Players
Join 20 Teams
Kill 20 Players
Complete "I Am Become Death"
Complete "Heart of the Enemy"
Complete "Recruitment Blues"
Complete "Coming to Fruition"
Hack 50 Terminals
Reach Level 10
Complete "Into the Fire"
Complete "Final Departure"
Complete "Second Helpings"
Complete "First Contact"
Read 20 Magazines
Reach Level 100
Complete "Key to the Past"
Win the "Breach and Clear" Event
Complete "Queen of the Hunt"
Win the "Monster Mash" Event
Complete "Personal Matters"
Build 100 C.A.M.P. Items
Complete "Officer on Deck"
Complete "One of Us"
Complete "Bunker Buster"
Possess 10,000 Caps
Collect a Bobblehead
Collect 10 Bobbleheads
Be at Ground Zero of a Nuclear Blast
Reach Level 50
Mod 50 Weapons
Kill 5 Giant Creatures
Win the "Scorched Earth' Event
Kill a Wanted Player
Fully Rank Up one Perk
Craft 5 Pieces of Armor
Build 20 C.A.M.P. Items
Play a Holotape Game
Craft a Weapon
Leave Vault 76
Take 20 Photos
Kill Another Player
Pick 50 Locks
Kill 300 Creatures
Build a C.A.M.P.
Complete 5 Challenges
Complete 20 Challenges
Discover 100 Locations
Gather 200 Pieces of Junk
Complete "Buried Treasure"
Become allies with Foundation
Become allies with Crater
Complete Beckett's story
Complete Sofia's story
Gain 1500 gold bullion
Gain 300 gold bullion
Complete "All That Glitters"
Complete "The Elusive Crane"
Find the Overseer
Craft a 1 star legendary mod, a 2 star legendary mod, and a 3 star legendary mod
Complete “The Catalyst”
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”
Complete "Sins of the Father"
Kill 100 Overgrown with fire
Lead and Complete "The Human Condition"