Darkwatch (2005)
In Darkwatch: Curse of the West, you take on the role of Jericho Cross, an outlaw gunslinger and agent of a secret strike-force that has protected mankind since ancient times. Your mission is to hunt down the vampire who bit you and save humanity from their evil plans. To do this, you have a variety of powerful weapons at your disposal including assault vehicles, Western firearms with supernatural enhancements, and your undead horse. You must battle through a Wild West overrun by vampires in order to survive and save civilization from destruction.