evolve

In this game, the hunted and the hunter change places as the match progresses.
Evolve is an asymmetric action game which is both cooperative and competitive. Four players play the roles of the hunters: specialists hired to hunt down enormous, deadly wildlife populating the planet of Shear: track your prey, keep it in place, support your allies, there’s a character for every necessary task. To make things interesting: the fifth player plays as monster evolving through several phases the more other wildlife they consume.
The longer the match lasts, the smaller the hunters’ chances of success are. So keep moving.