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