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