Back 4 Blood surpasses 10 million players, 'Tunnels of Terror' expansion launches April 12 - Gematsu

Back 4 Blood’s first major downloadable content expansion, “Tunnels of Terror,” will launch on April 12, publisher Warner Bros. Games and developer Turtle Rock Studios announced.

Turtle Rock Studios - Gematsu

News - August, 2022

Tunnels of Terror brings more Cleaners and new Ridden to Back 4

Back 4 Blood' announces 'Tunnels Of Terror' expansion

Back 4 Blood - Gematsu

Back 4 Blood has seen 10 million players since release, first DLC

Back 4 Blood - Gematsu

Back 4 Blood has seen 10 million players since release, first DLC

ArtStation - Back 4 Blood DLC: Tunnels of Terror (2022)

What should the next Back4Blood be called? Back4Blood 2

Back 4 Blood: Tunnels of Terror Review: Is the DLC Worth Buying?

Back 4 Blood Tunnels Of Terror DLC Game Pass Gameplay

Back 4 Blood Surpassed 10 Million Players; First Expansion Announced

Back 4 Blood's First Expansion, Tunnels of Terror, Available Today