A spin-off of the Fallout series, the game is set in a post-apocalyptic open world environment that encompasses a region consisting of Arizona, California, and Nevada. It was announced in April 2009 and released for Microsoft Windows, PlayStation 3, and Xbox 360 on October 19, 2010. Fallout: New Vegas is a 2010 action role-playing game developed by Obsidian Entertainment and published by Bethesda Softworks.
