The Lost and Damned

Developed by series creator Rockstar North and set in Liberty City, Grand Theft Auto IV™ The Lost and Damned™ features a new main character, Johnny Klebitz, and plot that intersects with the storyline of Grand Theft Auto IV; new missions that offer an entirely fresh way to explore Liberty City with new multiplayer modes, weapons and vehicles; and a diverse soundtrack with additional music—all with the incredible production values that are the trademarks of Grand Theft Auto.

The Lost and Damned will be available for download on February 17, 2009 exclusively from Xbox LIVE Marketplace.

How to buy
Starting February 17th, 2009 worldwide at 3:00 AM Eastern Standard Time, simply go to Xbox LIVE Marketplace with your connected Xbox 360 console and purchase the Grand Theft Auto IV: The Lost and Damned download for 1600 Microsoft Points ($19.99 USD).

Note that to play Grand Theft Auto IV: The Lost and Damned requires a copy of the original Grand Theft Auto IV release for Xbox 360 - but you can play it even if you haven't finished Niko's story.

xbox.com