GURPS: Red Sky
To the sophisticates of larger cities, Oklahoma City may not look like much. A city in the heartland of America, desperate for respect and recognition, overshadowed by the larger, more recognizable Dallas. It is a city of crossroads, where native America meets the modern world.
And in the darkness, something is stirring…
Although we are principally using GURPS (published by Steve Jackson Games), I refer to and use a lot of the concepts appearing in the excellent Dresden Files RPG game published by Evil Hat Productions ).