In March 2019, Turtle Rock Studios announced that it was back, partnering with Warner Bros. on a game titled Back 4 Blood. Other than confirming that Back 4 Blood, like Left 4 Dead before it, is a 4-player co-op FPS zombie game, details remain scant. Now, a year later, Turtle Rock has released its first teaser image for Back 4 Blood.

In a message on Turtle Rock's official Twitter account, the studio says, "Getting to this 4th of July has been tough on all of us, so we wanted to give you a sneak peek and a bit of Hope." The image, pun intended, shows a ramshackle post-apocalypse base with the word "HOPE" spray-painted on it.

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Hope is clearly a location within Back 4 Blood, a human base used to defend against the zombie horde. In the foreground of the concept art, there are all sorts of barricades and trenches. Even the trees have barb wire on them, perhaps hinting that zombies would otherwise climb them. Several zombie corpses lay about, too. It's not a pretty sight.

It's is, nevertheless, an exciting sight to see. Back 4 Blood remains in development and with one image its made clear that the zombie horde is a threat beyond what excited fans may be expecting. Turtle Rock doesn't make any overt promises that more of Back 4 Blood will be shown soon, but in its Twitter replies it does say that if enough people as then Turtle Rock may consider it.

Back 4 Blood is currently in development.

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