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.
Mod 50 Weapons
Win the "Monster Mash" Event
Complete "I Am Become Death"
Complete "Officer on Deck"
Complete "One of Us"
Complete "Heart of the Enemy"
Complete "Coming to Fruition"
Complete "Bunker Buster"
Hack 50 Terminals
Kill a Wanted Player
Reach Level 100
Complete "Queen of the Hunt"
Revive 20 Fallen Players
Complete "Recruitment Blues"
Win the "Scorched Earth' Event
Be at Ground Zero of a Nuclear Blast
Join 20 Teams
Win the "Breach and Clear" Event
Reach Level 50
Kill 20 Players
Complete "Personal Matters"
Possess 10,000 Caps
Read 20 Magazines
Complete "Mistress of Mystery"
Discover 100 Locations
Collect 10 Bobbleheads
Reach Level 25
Kill 5 Giant Creatures
Take 20 Photos
Build 100 C.A.M.P. Items
Build 20 C.A.M.P. Items
Play a Holotape Game
Complete "Key to the Past"
Kill Another Player
Pick 50 Locks
Fully Rank Up one Perk
Complete "Into the Fire"
Collect a Bobblehead
Kill 300 Creatures
Craft 5 Pieces of Armor
Complete 20 Challenges
Reach Level 10
Complete "Final Departure"
Build a C.A.M.P.
Complete "Second Helpings"
Complete 5 Challenges
Complete "First Contact"
Gather 200 Pieces of Junk
Craft a Weapon
Leave Vault 76
Complete "All That Glitters"
Become allies with Crater
Become allies with Foundation
Gain 1500 gold bullion
Complete Beckett's story
Complete Sofia's story
Gain 300 gold bullion
Complete "Buried Treasure"
Complete "The Elusive Crane"
Find the Overseer
Craft a 1 star legendary mod, a 2 star legendary mod, and a 3 star legendary mod
Complete “The Catalyst”
Earn Elder Rewards from a Daily Op
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