Hunter Hunting

9 hunters wake up to find themselves trapped in a room. As they wake, a mysterious voice tells them that they, the hunters are now being hunted. The voice warns them that they will be hunted by the same animals have hunted as well as telling them they have a chance to retaliate and that they are given a rifle with limited ammunition. In a place where the hunter becomes the hunted, who is truly at the top of the food chain?