Install 20 weapon mods.

Unlocked: 27 Dec 2010 03:48:14

Play the game from start to finish in Hardcore Mode.

Unlocked: 12 Dec 2010 21:49:21

Complete Eureka!

Unlocked: 12 Dec 2010 21:49:20

Complete For the Republic.

Unlocked: 12 Dec 2010 08:47:31

Complete You'll Know It When It Happens.

Unlocked: 12 Dec 2010 08:40:41

Reach 20th level.

Unlocked: 12 Dec 2010 06:33:03

Play 10 spins of Slots.

Unlocked: 12 Dec 2010 06:13:28

Complete G.I. Blues.

Unlocked: 12 Dec 2010 02:00:49

Pick 25 locks.

Unlocked: 10 Dec 2010 04:51:11

Complete Volare!

Unlocked: 08 Dec 2010 00:09:32

Discover 50 locations.

Unlocked: 07 Dec 2010 00:13:38

Complete That Lucky Old Sun.

Unlocked: 06 Dec 2010 23:03:35

Cause 10,000 damage with Guns.

Unlocked: 03 Dec 2010 00:34:42

Sell 10,000 caps worth of goods.

Unlocked: 02 Dec 2010 22:22:58

Reach 10th level.

Unlocked: 30 Nov 2010 00:45:44

Complete Ring-a-Ding-Ding.

Unlocked: 29 Nov 2010 23:07:08

Complete Come Fly With Me.

Unlocked: 28 Nov 2010 20:54:27

Craft 20 items.

Unlocked: 28 Nov 2010 06:12:47

Recruit any companion.

Unlocked: 28 Nov 2010 05:04:02

Complete They Went That-a-Way.

Unlocked: 28 Nov 2010 02:11:03

Repair 30 items.

Unlocked: 27 Nov 2010 03:00:46

Complete Ain't That a Kick in the Head.

Unlocked: 27 Nov 2010 00:18:07

Reach 30th level.

Recruit all companions.

Discover 125 locations.

Discover all snow globes.

Cause 10,000 damage with Energy Weapons.

Cause 10,000 damage with Explosives.

Heal 10,000 points of damage with Stimpaks.

Cause 10,000 damage with Melee Weapons.

Hack 25 terminals.

Pick 50 pockets.

Make 50 Speech challenges.

Heal 10,000 points of damage with food.

Cause 10,000 damage with Unarmed weapons.

Win 3 games of Caravan.

Play 10 spins of Roulette.

Play 10 hands of Blackjack.

Win 30 games of Caravan.

Get banned from all the Strip's casinos.

Complete The House Always Wins.

Complete Render Unto Caesar.

Complete Wild Card.

Complete All or Nothing.

Complete Veni, Vidi, Vici.

Complete No Gods, No Masters.

Complete Talent Pool.

Complete Return to Sender.

Complete Arizona Killer.

Complete The Legend of the Star.

Confront Father Elijah in the Sierra Madre's Vault.

Unlocked: 12 Jun 2011 21:09:27

Complete the Sierra Madre Gala Event.

Unlocked: 30 Dec 2010 07:59:56

Collect 500 Sierra Madre Chips

Unlocked: 28 Dec 2010 08:35:13

Recruit Dean Domino, Christine and Dog.

Unlocked: 28 Dec 2010 04:41:01

Trap Father Elijah in the Sierra Madre's Vault.

Evacuate Zion.

Scout the Zion Valley for signs of the White Legs.

Crush the White Legs.

Arrive at Zion.

Resupply Daniel and the Sorrows.

Recover X-13 cardiac regulator sneaky suit!

Reactivate all of the Sink's robotic assistants.

Make up your mind... about your brain.

Complete Old World Blues.

Recover X-8 vertebrae-pulse-de-sensitizer frequency!

Find all of ED-E's upgrades in the Divide.

Decide the fate of all the Divide dwellers.

Complete Lonesome Road.

Acquire all upgrades for the Divide's signature weapon.

Detonate all of the warheads in the Divide.

Cause 10,000 damage with unique Mojave Wasteland weapons.

Cause 10,000 damage with Gun Runners' Arsenal (GRA) Weapons.

Complete any three Gun Runners' Arsenal (GRA) one star (*) Challenges.

Complete any three Gun Runners' Arsenal (GRA) two star (**) Challenges.

Complete any three Gun Runners' Arsenal (GRA) three star (***) Challenges.