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