Back 4 Blood update: everything you need to know about Tunnels of Terror DLC

techradar.com:

With the latest Back 4 Blood update comes the first expansion, Tunnels of Terror, bringing a whole new host of horrors to Fort Hope. There are new cleaners, new weapons, new cards, and more, as well as changes to balance and a slew of bug fixes.  

Back 4 Blood achievements: get all 67 of the trophies

Back 4 Blood crossplay: set up multiplayer cross-console 

Back 4 Blood’s new expansion is a well-needed shot in the arm for the co-op shooter and good news for anyone looking for their four-player fix.

Grab a weapon, kick open the safe room door, and prepare yourself for the newest undead monstrosities. There are three new Ridden mutations, the undead enemies you face, there's the Urchin, Shredder, and Ripper. They're all part of a new class called the ‘Warped’. 

There is also new PvE content called ‘Ridden Hives’, horrible tunnel systems underneath the Evansburgh streets. The entrances to these tunnels look straight out of a Junji Ito painting, they're all rotting flesh and twisted sinew. The promise of unique loot and rewards is a good lure, giving you plenty of reason to jump into the creepy underground mazes.

Tunnels of Terror was released on April 12th, unlocking at 10am PT, 1pm ET, and 6pm BST.

It launched at the same time across all platforms and is available on Playstation 5, Playstation 4, Xbox Series X|S, Xbox One, and PC. The base game is available on Xbox Game Pass but you will need to buy the DLC in order to play the new content.

Showing up to help the original cast are two new cleaners, each with their own abilities to dismantle the Ridden hordes. They’re welcome additions that bring the total roster of Back 4 Blood characters to 10.

An entirely new class of Back 4 Blood weapons has arrived. Legendary weapons can only