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