Kill 15 enemies with the Berserker's action skill

Unlocked: 29 Oct 2009 17:20:34

Kill 15 enemies with the Hunter's action skill

Unlocked: 29 Oct 2009 17:03:14

Killed the Vault Boss

Unlocked: 29 Oct 2009 16:31:20

Complete all missions in the Rust Commons

Unlocked: 29 Oct 2009 16:19:17

Rescue enough Claptraps to earn 42 inventory slots

Unlocked: 29 Oct 2009 15:58:32

Killed Flynt

Unlocked: 29 Oct 2009 15:14:06

Killed the Rakk Hive

Unlocked: 29 Oct 2009 14:37:22

Mastered the technology of Pandora

Unlocked: 29 Oct 2009 12:54:50

Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game

Unlocked: 28 Oct 2009 23:30:42

Killed Krom

Unlocked: 28 Oct 2009 23:30:40

Earn level 50

Unlocked: 28 Oct 2009 21:58:59

Earn level 40

Unlocked: 28 Oct 2009 20:19:54

Earn level 30

Unlocked: 28 Oct 2009 19:54:41

Kill 15 enemies with the Soldier's action skill

Unlocked: 28 Oct 2009 18:00:55

Complete 15 missions in co-op

Unlocked: 28 Oct 2009 17:35:54

Complete 5 missions in the Rust Commons

Unlocked: 28 Oct 2009 17:25:03

Complete all missions in the Arid Badlands

Unlocked: 28 Oct 2009 13:16:29

Kill 25 enemies with corrosive weapons

Unlocked: 28 Oct 2009 00:37:07

Equip a class mod for your character

Unlocked: 28 Oct 2009 00:16:19

Killed Sledge

Unlocked: 27 Oct 2009 23:50:01

Kill 25 enemies with explosive weapons

Unlocked: 27 Oct 2009 23:34:01

Apply an elemental artifact

Unlocked: 27 Oct 2009 23:14:53

Earn $1,000,000

Unlocked: 27 Oct 2009 20:19:08

Earn level 20

Unlocked: 27 Oct 2009 20:00:29

Kill 25 enemies with shock weapons

Unlocked: 27 Oct 2009 19:56:03

Reach proficiency level 10 with any weapon type

Unlocked: 27 Oct 2009 19:47:50

Race around the Ludicrous Speedway in under 31 seconds

Unlocked: 27 Oct 2009 19:08:25

Discover The Scrapyard

Unlocked: 27 Oct 2009 19:05:18

Discover Krom's Canyon

Unlocked: 27 Oct 2009 19:04:51

Discover Trash Coast

Unlocked: 27 Oct 2009 19:04:27

Discover Crimson Lance Enclave

Unlocked: 27 Oct 2009 19:01:46

Discover Eridian Promontory

Unlocked: 27 Oct 2009 19:01:14

Discover Headstone Mine

Unlocked: 27 Oct 2009 18:55:30

Sell 50 guns to a shop

Unlocked: 27 Oct 2009 16:01:12

Discover Sledge's Safe House

Unlocked: 27 Oct 2009 15:32:51

Kill 25 enemies with incendiary weapons

Unlocked: 27 Oct 2009 13:53:44

Kill 25 enemies by ramming them with any vehicle

Unlocked: 27 Oct 2009 13:37:57

Kill 5 Rakk in under 10 seconds

Unlocked: 27 Oct 2009 13:27:15

Earn level 10

Unlocked: 27 Oct 2009 12:32:18

Kill an enemy with the Siren's action skill

Unlocked: 27 Oct 2009 11:14:55

Discover Skag Gully

Unlocked: 27 Oct 2009 10:52:36

I bet you never thought you'd be here.

Unlocked: 26 Oct 2009 19:20:32

Kill an enemy by stomping on its head

Unlocked: 26 Oct 2009 19:12:31

Earn level 5

Unlocked: 23 Oct 2009 19:56:25

Complete 5 missions in the Arid Badlands

Unlocked: 23 Oct 2009 19:19:20

Rescue a groupmate from death in a co-op game

Unlocked: 23 Oct 2009 19:07:59

Win an arena match

Unlocked: 23 Oct 2009 19:05:09

Win a duel against another player

Unlocked: 23 Oct 2009 18:37:00

Win a duel without taking damage

Unlocked: 23 Oct 2009 18:36:59

Play in a co-op game with either an employee of Gearbox or someone who has this achievement

Unlocked: 23 Oct 2009 18:35:32

Complete the "Braaaaaaaaaaaaains!" mission

Unlocked: 29 Jan 2010 22:25:32

Killed Ned. Again.

Unlocked: 29 Jan 2010 16:08:32

Killed Ned...sort of

Unlocked: 29 Jan 2010 16:06:19

Complete the "Jakobs Fodder" mission

Unlocked: 28 Jan 2010 00:01:49

Complete the "House of the Ned" mission

Unlocked: 27 Jan 2010 21:51:25

Reach the end of the larger challenge in The Angelic Ruins coliseum

Unlocked: 31 Jan 2010 00:15:12

Reach the end of each of the 3 larger challenges with one character

Unlocked: 31 Jan 2010 00:15:11

Reach the end of the larger challenge in the Hell-Burbia coliseum

Unlocked: 30 Jan 2010 21:17:56

Reach the end of the larger challenge in The Gully coliseum

Unlocked: 30 Jan 2010 18:49:41

Complete the Prove Yourself mission

Unlocked: 29 Jan 2010 21:32:25

Complete all missions in Secret Armory

Unlocked: 05 Mar 2010 21:16:59

Reach Level 61

Unlocked: 04 Mar 2010 20:37:50

Kill each of the loot midgets

Unlocked: 04 Mar 2010 20:08:13

Destroy the Lance Depot

Unlocked: 04 Mar 2010 16:13:31

Paid for a worthless tour of the world's largest bullet

Unlocked: 04 Mar 2010 15:08:24

Rescue Athena

Unlocked: 04 Mar 2010 14:37:25

Build the New Car: Monster

Unlocked: 04 Mar 2010 09:19:52

Kill Crawmerax the Invincible

Unlocked: 02 Mar 2010 16:39:48

Destroy a Lancer while in a Racer

Unlocked: 02 Mar 2010 16:31:19

Find all 6 Claptrap Statues

Unlocked: 12 Oct 2010 08:21:23

Collect 15 claptrap bobbleheads

Unlocked: 12 Oct 2010 08:02:21

Find 25 oil cans

Unlocked: 12 Oct 2010 07:08:54

Collect 3 panties, 5 fish in a bag, and 15 pizzas

Unlocked: 11 Oct 2010 21:47:34

Collect 5 3D glasses

Unlocked: 11 Oct 2010 20:02:11

Complete a crazy request for Tannis

Unlocked: 11 Oct 2010 17:48:59

Kill the INAC

Unlocked: 11 Oct 2010 16:24:03

The Commandant is dead-trap

Unlocked: 11 Oct 2010 16:20:32

Killed Ned...again and again and again

Unlocked: 11 Oct 2010 16:19:29

Knoxx is at rest...finally

Unlocked: 11 Oct 2010 16:17:32

Reach Level 51

Unlocked: 02 Mar 2010 16:46:54