Journeying through the Zombie infested regions of Back 4 Blood. March 29, 2022 by Irwin B Facebook Twitter Pinterest LinkedIn Journeying through the Zombie infested regions of Back 4 Blood – Act 2, the forests, swamps and infested Left 4 Dead army, are some of the highlights of this video. Huge monsters are a feature in Act 2. #XBOX #windows #Back4Blood source