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