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