Fallout: New Vegas is a role-playing video game. It was developed by Obsidian Entertainment and published by Bethesda Softworks. While "New Vegas" is not a direct sequel, it uses the same engine and style as "Fallout 3". Some of the employees at Obsidian also used to work at Interplay and Black Isle Studios who made "Fallout 1" and "Fallout 2". It is set in a post-apocalyptic Nevada.