It can not be directly called the sequel of Fallout 3, but it uses the same engine and style as it is in Fallout 3. It can be played on all the platforms, including Playstation 3, Microsoft Windows, and Xbox 360. Fallout: New Vegas is an action role-playing game developed by Obsidian Entertainment and was published by Bethesda Softworks on October 19, 2010, in North America.