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