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