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