Urban Fantasy, High Fantasy, Epic Quest, Sci-Fi, Time Travel and World Hopping, Steampunk, Action/Adventure, Modern Drama, Mystery, Slice of Life, Romance, and many more.
The flying mechanics were fairly fun. I remember having a blast with it just flying around and throwing cars at shadow guys or something.
Only many years later did I hear it was such a bad game. My biggest complaint at the time was I couldn't just heat vision everything to death.