Old World Blues

Old World Blues is the third add-on for Fallout: New Vegas, developed by Obsidian Entertainment and published by Bethesda Softworks. It was meant to be released simultaneously on all platforms on July 19th, 2011. . However there was a time delay between launches, with Steam releasing the add-on first to North America, followed later by Xbox Live, with the Playstation Network and most other regions except Europe a few hours after that. It was released in Europe on PSN around 15:50 GMT.

In Old World Blues, the Courier discovers how some of the Mojave’s mutated monsters came into being when they unwittingly become a lab rat in a science experiment gone awry. The Courier must scour the pre-War research centers of the Big Empty in search of technology to turn the tables on his or her kidnappers, or join forces with them against an even greater threat.

Plot
"The residents of the Mojave have long assumed the trackless wastes of the ‘Big Empty’ are a no-man's-land, a desolate stretch where no living thing can survive. In Old World Blues, you discover that it is anything but..."

After being transported to the Big MT research crater, you find you're the only hope of saving the "Think Tank" – a strange group of post-human researchers who inhabit the facility. They enlist your aid to save them from their own experiments - experiments that have gone horribly out of control. As you explore the huge stretch of the Big Empty crater and its many underground labs, you’ll confront strange mutated animals, battle terrifying new atomic robots, and discover a new home base to call your own. Recover all the weapons, armor, and tech of the Pre-War era and use them to help save all of science!

Overview

 * Like all New Vegas add-ons, Old World Blues raises the level cap by 5. Also, the add-on offers new traits (and give you the opportunity to change your own traits if you've already chosen them) that will allow you to cap your level at 30.
 * Old World Blues, comes with an autodoc in The Sink that allows the player to alter their looks and hairstyle.
 * Equipment will not be stripped from the player at the beginning of this add-on, and it features an open-world setting.
 * Like all New Vegas add-ons, companions cannot accompany the Courier to the new land.
 * In Old World Blues, some robotic appliances have personalities, all with different voices.
 * There is an upgradeable base, The Sink, in this add-on.
 * There is a new radio added, to both the Big Empty and the Mojave. It plays 3 new jazz songs, along with 2 songs from Radio New Vegas.
 * The 'Big Empty' gained its name through the phonetic name of the test site, 'Big MT' (MT meaning Mountain). The name can be seen across the many crates found in the add-on.

Quests
The XP that is rewarded for quests is variable based upon your level when the quest is completed. The total XP split between the main storyline quests is approximately 3000 XP at levels 1-4 and 22000 XP at levels 45-50, the secondary quest XP ranges from 75 XP per quest to 550 XP per quest.

Bugs

 * Entering the Big Empty, saving your game, waiting, or entering doors may cause the game to freeze.
 * After initiating the Institutional Data Retrieval Test (Basic) after releasing the "Unusual Specimen", the door to the X-8 Institutional Test Facility disappears.
 * You may not be able to leave after completing the main quests.
 * After completing the quest, "Old World Blues", you are told to retrieve your brain. You may be glitched in the dialogue with your brain, repeating two lines over, and over again.
 * Once Old World Blues is downloaded, all of the other DLCs for New Vegas may become unattainable.
 * The main terminal in the center of the "sink" (your Old World Blues home) can be bugged where when you sell things to it, you will not get the money for the items that you sell but you still lose the items. This is similar to the glitch with the quartermaster in Hoover Dam. It can be resolved by making smaller transactions (under 10,000 caps seems to work) at a time.
 * Loading an auto-save from the main menu using the "Continue" option may fail, causing the loading screen to spin the wheel until you shutdown the game.

Behind the scenes

 * In Dead Money, Father Elijah describes the Big Empty as "a treasure box, a scientific graveyard of Old World misery". Additionally, mentions of the Big Empty act as a trigger for the Things to Come! challenge. * The Big Empty was a location that was scrapped from Black Isle's canceled Fallout 3.
 * At some point, Chris Avellone set his location on his Twitter profile to Big MT, Mojave, placing the Big Empty as a location within the Mojave Wasteland and thus teasing its possible appearance in a future Fallout: New Vegas add-on. Since then, Avellone has also changed his Twitter avatar.
 * J.E. Sawyer has suggested that Old World Blues will be the most humorous of the New Vegas add-ons.
 * "Mean Old World Blues" is the title of T-Bone Walker's 1945 remake of his 1942 opus, "Mean Old World".

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