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