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