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