There are 51 trophies in Fallout 3, and more in the DLC content available from the PlayStation Store (total of 73 trophies including DLC content). The basic game has 38 bronze trophies, 10 silver trophies, 2 gold trophies and a platinum trophy. The platinum trophy can be earned without purchasing the downloadable content.
Trophies:
Vault 101 Citizenship Award
Got the Pip-Boy 3000
The G.O.A.T. Whisperer
Took the G.O.A.T.
Escape!
Completed “Escape!”
Following in His Footsteps
Completed “Following in His Footsteps”
Galaxy News Radio
Completed “Galaxy News Radio”
Scientific Pursuits
Completed “Scientific Pursuits”
Tranquility Lane
Completed “Tranquility Lane”
The Waters of Life
Completed “The Waters of Life”
Picking up the Trail
Completed “Picking up the Trail”
Rescue from Paradise
Completed “Rescue from Paradise”
Finding the Garden of Eden
Completed “Finding the Garden of Eden”
The American Dream
Completed “The American Dream”
Take it Back!
Completed “Take it Back!”
Big Trouble in Big Town
Completed “Big Trouble in Big Town”
The Superhuman Gambit
Completed “The Superhuman Gambit”
The Wasteland Survival Guide
Completed “The Wasteland Survival Guide”
Those!
Completed “Those!”
The Nuka-Cola Challenge
Completed “The Nuka-Cola Challenge”
Head of State
Completed “Head of State”
The Replicated Man
Completed “The Replicated Man”
Blood Ties
Completed “Blood Ties”
Oasis
Completed “Oasis”
The Power of the Atom
Completed “The Power of the Atom”
Tenpenny Tower
Completed “Tenpenny Tower”
Strictly Business
Completed “Strictly Business”
You Gotta Shoot ‘Em in the Head
Completed “You Gotta Shoot ‘Em in the Head”
Stealing Independence
Completed “Stealing Independence”
Trouble on the Homefront
Completed “Trouble on the Homefront”
Agatha’s Song
Completed Agatha’s Song”
Reilly’s Rangers
Completed “Reilly’s Rangers”
Reaver
Reached Level 8 with Bad Karma
Mercenary
Reached Level 8 with Neutral Karma
Protector
Reached Level 8 with Good Karma
Harbinger of War
Reached Level 14 with Bad Karma
Pinnacle of Survival
Reached Level 14 with Neutral Karma
Ambassador of Peace
Reached Level 14 with Good Karma
Scourge of Humanity
Reached Level 20 with Bad Karma
Paradigm of Humanity
Reached Level 20 with Neutral Karma
Last, Best Hope of Humanity
Reached Level 20 with Good Karma
Weaponsmith
Made one of every custom weapon
Doesn’t Play Well with Others
Killed 300 people
Slayer of Beasts
Killed 300 creatures
Silver-Tongued Devil
Won 50 Speech Challenges
Data Miner
Hacked 50 terminals
Keys are for Cowards
Picked 50 locks
One-Man Scouting Party
Discovered 100 locations
Psychotic Prankster
Placed a grenade or mine while pickpocketing
The Bigger They Are…
Kill all the Super Mutant Behemoths
Yes, I Play with Dolls
Collected 10 Vault-Tec Bobbleheads
Vault-Tec C.E.O.
Collected 20 Vault-Tec Bobbleheads
Platinum Trophy
Collect all other 50 Trophies for this Trophy
DLC Trophies:
Aiding the Outcasts
Completed “Aiding the Outcasts”
Guns of Anchorage
Completed the “Guns of Anchorage”
Paving the Way
Completed “Paving the Way”
Operation: Anchorage
Completed “Operation: Anchorage”
Into the Pitt
Completed “Into the Pitt”
Unsafe Working Conditions
Completed “Unsafe Working Conditions”
Free Labor
Completed “Free Labor”
Mill Worker
Found All 100 Steel Ingots
Death From Above
Completed “Death From Above”
Shock Value
Completed “Shock Value”
Who Dares Wins
Completed “Who Dares Wins”
Devil
Reached Level 30 with Bad Karma
True Mortal
Reached Level 30 with Neutral Karma
Messiah
Reached Level 30 with Good Karma
The Local Flavor
Completed “The Local Flavor”
Walking With Spirits
Completed “Walking With Spirits”
A Meeting of the Minds
Completed “A Meeting of the Minds”
Bog Walker
Discovered all Locations in Point Lookout
Not of This World
Completed “Not of This World”
Among the Stars
Completed “Among the Stars”
This Galaxy Ain’t Big Enough
Completed “This Galaxy Ain’t Big Enough”
Alien Archivist
Collected All Alien Captive Records