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