Due to a chemical known as pharGONe, the world has been turned upside down. Battle your way through multiple levels, earning upgrades, competing against your friends and more, and find the truth about what has happened to the world.Use a variety of weapons to stop the mutated population, and save yourself from being another victim.Not sure exactly what you are facing, Primal Fears harkens to the depths of the human psyche as you fight monstrous foes alone or with friends. Nothing is more scary than the unknown and it is your goal to reveal the truth...