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