What If Left 4 Dead 3 Came Out Alongside Black 4 Blood? (Left 4 Dead 3 VS Back 4 Blood) January 31, 2021 by blackninja797 Facebook Twitter Pinterest LinkedIn What If Left 4 Dead 3 Came Out Alongside Black 4 Blood? (Left 4 Dead 3 VS Back 4 Blood) Hey everyone! In today’s video, I wanted to talk about what would … Source