Full list of all 81 Borderlands: Game of the Year Edition trophies - 59 bronze, 17 silver, 4 gold and 1 platinum.
The base game contains 51 trophies, and there are 4 DLC packs containing 30 trophies.
You have defeated all bosses and are a powerful force to be reckoned with
Killed 15 enemies with the Soldier's action skill
Killed 15 enemies with the Berserker's action skill
Earned level 50
Completed 15 missions in co-op
Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game
Play with at least two other players.
Killed 15 enemies with the Hunter's action skill
Killed 25 enemies with incendiary weapons
Killed 25 enemies with shock weapons
Killed 25 enemies with corrosive weapons
Earned level 40
Rescued a groupmate from death in a co-op game
Won a duel against another player
Won a duel without taking damage
Emerged victorious from an arena match
Killed an enemy plumber-style
Killed the Vault Boss
Discovered Eridian Promontory
Completed all missions in the Arid Badlands
Discovered Crimson Lance Enclave
Completed all missions in the Rust Commons
Rescued enough Claptraps to earn 42 inventory slots
Killed Flynt
Mastered the technology of Pandora
Killed the Rakk Hive
Discovered Trash Coast
Earned $1,000,000
Earned level 30
Killed Krom
Discovered Krom's Canyon
I bet you never thought you'd be here
Discovered The Scrapyard
Reached proficiency level 10 with any weapon type
Completed 5 missions in the Rust Commons
Raced around the Ludicrous Speedway in record time
Earned level 20
Equipped a class mod for your character
Killed Sledge
Discovered Headstone Mine
Sold 50 guns to a shop
Discovered Sledge's Safe House
Applied an elemental artifact
Killed 25 enemies by ramming them with any vehicle
Killed 5 Rakk in under 10 seconds
Killed 25 enemies with explosive weapons
Earned level 10
Killed an enemy with the Siren's action skill
Earned level 5
Discovered Skag Gully
Completed 5 missions in the Arid Badlands
Completed the "Braaaaaaaaaaaaains!" mission
Killed Ned. Again.
Killed Ned...sort of
Completed the "Jakobs Fodder" mission
Completed the "House of the Ned" mission
Completed the lesser challenge in all 3 coliseums
Completed the larger challenge in the Hell-Burbia coliseum
Completed the larger challenge in The Angelic Ruins coliseum
Completed the larger challenge in The Gully coliseum
Completed each of the larger challenges in all 3 coliseums
Reached Level 61
Reached Level 51
Paid for a worthless tour of the world's largest bullet
Destroyed Lance Depot
Destroyed a Lancer while in a Racer
Rescued Athena
Built the New Car: Monster
Killed Crawmerax the Invincible
Killed each of the loot midgets
Completed all missions in Secret Armory
Completed a crazy request for Tannis
Killed the Interplanetary Ninja Assassin Claptrap
Killed Commandant Steele-trap
Killed Dr. Ned-trap
Killed General Knoxx-trap
Found all 6 Claptrap statues
Found 25 oil cans
Collected 15 Claptrap bobbleheads
Collected 5 3D glasses
Collected 3 panties, 5 fish in a bag, and 15 pizzas