Back 4 Blood: new zombie co-op FPS from Turtle Rock Studios announced - Polygon

Original Left 4 Dead team announces Back 4 Blood, a spiritual sequel to the series. Turtle Rock and Warner Bros. are bringing the co-op zombie shooter to PS4, PC, and Xbox One.

Back 4 Blood' release date, trailer, platforms, gameplay for co-op zombie romp

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Back 4 Blood - Wikipedia

Valve doesn't need Left 4 Dead 3, it just needs to update Left 4 Dead 2 - Polygon

Turtle Rock Delves Into 'Back 4 Blood' Development in New Video - Bloody Disgusting

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9 hours in, Back 4 Blood is bloody brilliant

Back 4 Blood Support Ending, Turtle Rock Working on Next Big Thing

Back 4 Blood: What PC do you need to run Turtle Rock's new coop shooter? - Chillblast Learn

Left 4 Dead creators announce new co-op zombie game, Back 4 Blood

Back 4 Blood updates end, just as things are getting good