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
Read 20 Magazines
Hack 50 Terminals
Kill 20 Players
Kill a Wanted Player
Kill Another Player
Reach Level 100
Build 100 C.A.M.P. Items
Mod 50 Weapons
Play a Holotape Game
Join 20 Teams
Reach Level 50
Complete "I Am Become Death"
Possess 10,000 Caps
Complete "Officer on Deck"
Craft 5 Pieces of Armor
Take 20 Photos
Collect 10 Bobbleheads
Complete "Heart of the Enemy"
Complete "One of Us"
Complete "Bunker Buster"
Complete "Personal Matters"
Complete "Mistress of Mystery"
Complete "Recruitment Blues"
Complete "Coming to Fruition"
Pick 50 Locks
Win the "Monster Mash" Event
Reach Level 25
Kill 5 Giant Creatures
Build 20 C.A.M.P. Items
Complete "Queen of the Hunt"
Complete "Key to the Past"
Discover 100 Locations
Win the "Breach and Clear" Event
Win the "Scorched Earth' Event
Be at Ground Zero of a Nuclear Blast
Kill 300 Creatures
Complete "Into the Fire"
Reach Level 10
Complete "Final Departure"
Gather 200 Pieces of Junk
Collect a Bobblehead
Complete "Second Helpings"
Fully Rank Up one Perk
Build a C.A.M.P.
Complete "First Contact"
Complete 20 Challenges
Craft a Weapon
Complete 5 Challenges
Leave Vault 76
Become allies with Foundation
Gain 1500 gold bullion
Complete "Buried Treasure"
Complete Beckett's story
Become allies with Crater
Gain 300 gold bullion
Complete "All That Glitters"
Complete Sofia's story
Complete "The Elusive Crane"
Find the Overseer
Complete “The Catalyst”
Earn Elder Rewards from a Daily Op
Craft a 1 star legendary mod, a 2 star legendary mod, and a 3 star legendary mod
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"
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”
Kill 100 Overgrown with fire
Complete "Sins of the Father"
Lead and Complete "The Human Condition"