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