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