1.21 Gigawatts - 25 gamerpoints - Kill 25 enemies with shock weapons.
And They'll Tell Two Friends - 10 gamerpoints - Play in a co-op game with either an employee of Gearbox or someone who has this achievement.
Can't We Get BEYOND Thunderdome? - 25 gamerpoints - Win an arena match.
Careful, He Bites - 15 gamerpoints - Kill 15 enemies with the Hunter's action skill.
Ding! Champion - 50 gamerpoints - Earn level 50.
Ding! Expert - 20 gamerpoints - Earn level 20.
Ding! Hardcore - 30 gamerpoints - Earn level 30.
Ding! Newbie - 5 gamerpoints - Earn level 5.
Ding! Novice - 10 gamerpoints - Earn level 10.
Ding! Sleepless - 40 gamerpoints - Earn level 40.
Discovered Crimson Lance Enclave - 15 gamerpoints - Discover Crimson Lance Enclave.
Discovered Eridian Promontory - 15 gamerpoints - Discover Eridian Promontory.
Discovered Headstone Mine - 5 gamerpoints - Discover Headstone Mine.
Discovered Krom's Canyon - 10 gamerpoints - Discover Krom's Canyon.
Discovered Skag Gully - 5 gamerpoints - Discover Skag Gully.
Discovered Sledge's Safe House - 5 gamerpoints - Discover Sledge's Safe House.
Discovered The Scrapyard - 10 gamerpoints - Discover The Scrapyard.
Discovered Trash Coast - 5 gamerpoints - Discover Trash Coast.
Down in Front! - 15 gamerpoints - Kill 15 enemies with the Soldier's action skill.
Duel-icious - 15 gamerpoints - Win a duel against another player.
Duelinator - 35 gamerpoints - Win a duel without taking damage.
Facemelter - 25 gamerpoints - Kill 25 enemies with corrosive weapons.
Fence - 25 gamerpoints - Sell 50 guns to a shop.
Fully Loaded - 10 gamerpoints - Rescue enough Claptraps to earn 42 inventory slots.
Get A Little Blood on the Tires - 20 gamerpoints - Kill 25 enemies by ramming them with any vehicle.
Group LF Healer - 25 gamerpoints - Rescue a groupmate from death in a co-op game.
Made in Fyrestone - 15 gamerpoints - Complete all missions in the Arid Badlands.
Made in New Haven - 20 gamerpoints - Complete all missions in the Rust Commons.
Master Exploder - 15 gamerpoints - Kill 25 enemies with explosive weapons.
My Brother is an Italian Plumber - 15 gamerpoints - Kill an enemy by stomping on its head.
Paid in Fyrestone - 5 gamerpoints - Complete 5 missions in the Arid Badlands.
Paid in New Haven - 10 gamerpoints - Complete 5 missions in the Rust Commons.
Pandora-dog Millionaire - 50 gamerpoints - Earn $1,000,000.
Pyro - 25 gamerpoints - Kill 25 enemies with incendiary weapons.
Reckless Abandon - 15 gamerpoints - Kill 15 enemies with the Berserker's action skill.
Rootinest, Tootinest, Shootinest - 10 gamerpoints - Kill 5 Rakk in under 10 seconds.
Speedy McSpeederton - 10 gamerpoints - Race around the Ludicrous Speedway in under 31 seconds.
There are some who call me...Tim - 25 gamerpoints - Equip a class mod for your character.
There's No "I" In "Team" - 30 gamerpoints - Complete 15 missions in co-op.
Truly Outrageous - 15 gamerpoints - Kill an enemy with the Siren's action skill.
Weapon Aficionado - 20 gamerpoints - Reach proficiency level 10 with any weapon type.
You call this archaeology? - 20 gamerpoints - Apply an elemental artifact.