Turtle Rock Studios has announced that over 10 million players have played Back 4 Blood since its release last fall.
News of the milestone comes alongside the announcement of the first DLC, Tunnels of Terror, which will be made available on April 12.
The content will be releasesd as part of the Back 4 Blood: Ultimate Edition, Back 4 Blood: Deluxe Edition, Back 4 Blood Annual Pass, or via standalone purchase. The expansion will feature the new Ridden Hives PvE cooperative activity, new playable Cleaners and Ridden variants, exclusive character and weapon skins, and more.
