October 18, 2010 (Rockville, MD) – Bethesda Softworks?, a ZeniMax? Media company, today announced plans to develop add-on content for Fallout?: New Vegas?, the follow-up to the 2008 Game of the Year, Fallout? 3. The first downloadable content for Fallout: New Vegas will be available this holiday season through Xbox LIVE? for the Xbox 360? video game and entertainment system from Microsoft.