NEW YORK--(BUSINESS WIRE)--2K and Turtle Rock Studios announced that the Evolve™ experience is expanding today with the launch of a host of downloadable content* including the fourth playable Monster, Behemoth, four new playable Hunters, a free Observer Mode, and more. Those who own Evolve but do not purchase Behemoth or the four new Hunters can still play against or alongside these new characters online and against them offline, adding depth and replayability for the entire Evolve community wi