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