Many people say that this is their favorite Fallout game, and you can understand why they say this.
Ask the millions of people who have devoted hundreds of hours to exploring and fighting their way through the Mojave. It was actually developed by some of the same people who worked on Fallout 2, which explains why it feels so quintessentially 'Fallout-y.' There's something about this game that you can't quite put your finger on that makes it totally engrossing. It stayed true to the original two games while offering something completely new in the process. Fallout: New Vegas was one of the best entries in the Fallout franchise.