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