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