: If this is a massive community-made mod pack, it is safer to download such content directly from the official BeamNG Mod Repository or trusted forums like 2Fast.Racing to ensure the files are vetted. BeamNG.drive Review (Official Game)
If you are looking for a review of the actual game BeamNG.drive (which features extensive desert environments like "Johnson Valley"), here is the consensus:
: The controls are deep and can be difficult for beginners using a keyboard; a controller or racing wheel is highly recommended for the best experience.