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