Buy Back 4 Blood: Definitive Edition and get: • Base Game • Year Pass: Three DLC including story gameplay, playable characters, special mutated Worms, and more • Battle Hardened 4 character skin pack • Additional in-game digital content: Rare banner, emblem, graffiti, and the title Back 4 Blood "Back 4 Blood" is a thrilling first-person shooter from the creators of the critically acclaimed "Left 4 Dead" in which you find yourself in the center of a war with the Worms. Once human, they are the hosts of a deadly parasite that has turned them into terrifying creatures bent on devouring the remnants of civilization. With humanity on the brink of extinction, it is your responsibility to fight the enemy, exterminate the Worms, and reclaim the world. Co-op Campaign Battle your way through the story campaign in co-op with up to 4 players, where you and your friends will have to work together to survive and complete increasingly challenging missions. You can lead your team to victory by playing with up to 3 of your friends online or alone. Choose from 8 customizable Cleaners and wield an array of deadly weapons and items. Devise a strategy to defeat the ever-evolving enemies. Multiplayer Play together or against friends in PVP mode. Become a Cleaner with special abilities or switch sides and play as the dreaded Worm. Both sides have unique weapons, aptitudes, and perks. Unique gameplay A new card system that will give you a different experience every time. You'll get control to create custom decks and take on tougher fights. A dynamic system that influences player actions ensures thrilling combat, unique gameplay variety, and stronger hordes of Worms, including six-meter-long, mutant bosses.