Back 4 Blood

GAME OVERVIEW
Join the war against the Ridden in a thrilling co-op first-person shooter from the creators of Left 4 Dead.
These once-human hosts of a deadly parasite have turned into terrifying creatures bent on devouring what remains of civilization. With humanitys extinction on the line, its up to you and your friends to take the fight to the enemy, eradicate the Ridden and reclaim the world.

Fight your way through a dynamic, perilous world in a four-player co-op story campaign where you must work together to survive increasingly challenging missions. Play with up to three of your friends online or go solo and lead your team in battle.
Choose from eight customizable Cleaners, one of the immune survivors, and a range of lethal weapons and items as you strategize against an ever-evolving enemy bent on your total destruction.