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