The story of , developed by Turtle Rock Studios , follows a group of immune survivors known as Cleaners fighting to reclaim a world devastated by an extraterrestrial parasite . The Outbreak and "The Devil Worm"
As the Cleaners secure local outposts, they discover that the Devil Worm is evolving at an alarming rate, producing massive, highly intelligent mutations.
Their goal is to clear Ridden infestations and secure safe zones for what remains of humanity. The War Against the Abomination
The catastrophe began when scientists discovered an unknown parasite, dubbed the , in a crater in Quebec, Canada. The worm, which reanimates upon contact with water, eventually escaped containment and spread globally through water supplies. It infects human hosts, transforming them into mindless, aggressive mutants known as the Ridden . The Cleaners of Fort Hope
The Cleaners successfully deploy the T-5 toxin, neutralizing the Abomination and destroying a major Hive Queen. While this battle is won, Walker and the team realize the war is far from over as they vow to hunt down other Abominations worldwide. Expanding the Lore Later story expansions introduced new threats and allies: Go to product viewer dialog for this item. Back 4 Blood Deluxe Edition
Back 4 Blood is an exciting, cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise.
The campaign culminates in a desperate defense of Fort Hope against the Abomination , a gargantuan, city-sized Ridden.
