Full Fallout: New Vegas is an action role-playing video game in the Fallout video game ser The game was developed by Obsidian Entertainment and published in October 2010 by Bethesda Softworks for Microsoft Windows, PlayStation 3 and Xbox 360. Downloadable content and expanded re-editions followed in 2010-2012. Crack It marks the return of some elements found in Fallout 2. The game is based in a post-apocalyptic, open world environment around the area of Nevada, California, and Arizona.