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