The team at Turtle Rock Studios isn't big enough to create more content while working on its next game at the same time.
Syphon Filter 3, Star Wars Demolition and Hot Shots Golf 2 on PlayStation One are also coming as part of PS Plus Premium Classics.
The shooter's third expansion adds a new campaign, a new Cleaner, several new weapons, and more.
Details on Back 4 Blood's third expansion, River of Blood, have been revealed, including new content and a release date.
Terrorizing others can be a hell of a lot of fun.
New enemy types, new weapons, accessories, Cards and a brand new playable Cleaner are included along with new exclusive skins.
Though it would "love to confirm the release date," Turtle Rock Studios says it needs a "bit more time," calling it an "exciting update."
New Warped Chest Corruption Cards, Cleaner skins, Legendary Accessories, 12 new Burn Cards, new banners and more are also available.
At $15, it adds two new playable Cleaners, 12 new Legendary weapons, and new Ridden Hives that can be explored during missions.
Explore the depths of the new Ridden Hives with seven new Legendary weapons, eight premium skins, and over 15 new cards.
On top of shotguns being super devastating, some of them are also super satisfying to listen to. Check out 15 such examples here.
The expansion, called Tunnels of Terror, will add several new skins, weapons, a new PvE activity, and new Ridden types and Cleaners.
Turtle Rock Studios has also confirmed additional future plans for the shooter, including more QoL improvements, card decks, and more.
Not every story can have the best ending but some games have seemingly gone out of their way to have the absolute worst.
Turtle Rock Studios is now part of Tencent but will continue to independently operate while its co-founders remain in charge.
The free December update for the zombie shooter is arriving imminently, and brings with it a host of changes and additions.
Turtle Rock Studios says it is "actively working on a solution", with the spawn rate of Special Ridden in particular being identified as one of the issues that needs to be dealt with.
Mario Party Superstars and Marvel's Guardians of the Galaxy also debut in the top 10, while the Switch dominates the hardware side of things.
A seasonal event, Ridden Practice Area, new Supply Lines and cards along with solo offline with campaign progression are coming in December.
Turtle Rock Studios' Left 4 Dead-inspired co-op zombie shooter continues to enjoy solid success, surpassing 6 million players.