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