Back 4 Blood December 2022 Update River of Blood Patch Notes Available

River of Blood is finally here!

Turtle Rock Studios has officially released the Back 4 Blood December 2022 update River of Blood patch notes.

The latest update for Back 4 Blood finally introduces the River of Blood Expansion. It will be available separately and via the Annual Pass, Deluxe Edition, and Ultimate Edition.

River of Blood expansion adds the new rogue cultist Tala as a new Cleaner, new areas to explore, new exclusive content, new Melee attachments, new cards, weapons, and more.

Check out the full patch notes below:

New Features

  • River of Blood Campaign: Act 6
    • This all-new five Chapter Act brings the Cleaners farther from Fort Hope than they have ever ventured since the initial Outbreak.
  • 1 New Cleaner: Tala
    • When Tala is with the party, Warped Chests have a chance to spawn during Missions.
    • Tala spawns a unique whistle on the map that summons Jeff- a modified Tallboy who fights alongside the Cleaners.
    • Tala causes a bleed effect that deals damage over time to Ridden she attacks.
  • New Game Mode: Trial of the Worm with Leaderboards
    • Fight through a series of voted-on maps, selecting Corruption Modifiers to increase scores. The more modifiers selected, the harder the difficulty becomes.
    • A final overall score is displayed on Leaderboards within Kenny’s newly opened tent. Climb to the top and be the best Cleaner in Fort Hope!
  • Melee Attachments
    • Attachments aren’t just for ranged weapons any more! Find and use melee-specific attachments to make close-range combat even more deadly for Ridden and Cultists.
  • 11 New Cards
    • 8 Player cards.
      • Developer Note: Previously shown images of some of the new player cards on social media have a slightly altered description than what is now currently up-to-date and in-game.
  • 3 Director cards.
  • 2 New Weapons
    • Deal some serious damage with the LAW rocket launcher, or burn it all to the ground with the Flamethrower.
  • Sentinel Enemy Type
    • The Sentinel family of Mutated Ridden are a result of Devil Worms attempting to mimic human forms instead of taking over a host. Anyone who tries to run past a Sentinel instead of killing it will suffer the consequences.
  • 12 New Cleaner Skins
    • 8 Exclusive Cleaner Skins available for Expansion 3 owners.
    • 4 Cleaner skins available to non-expansion owners for Hoffman, Doc, Heng, and Sharice.
  • 5 New Weapon Skin Sets
    • 1 Exclusive set of Weapon Skins available for Expansion 3 owners.
    • 4 Cleaner-themed sets of Weapon Skins purchasable in Skull Totem lines.
  • New Banners, Sprays, and Emblems
  • New Achievements and Accomplishments
  • Holiday Event in Fort Hope
    • The Winter event is back in Fort Hope with more lights, music, and holiday cheer, along with seasonal Supply Lines!

Campaign Updates

  • General
    • Players incapacitated in Saferooms now count as Survivors.
    • Bonuses for Quickplay increased to 25% from 15%.
    • Various collision improvements made across multiple Maps and Ridden Hives so players cannot navigate to unreachable areas.
    • All unused Titles have been hooked up to various rewards.
  • Card Updates
    • Legendary Cards now apply to all team members.
    • Skull Totem prices have been reduced for several Burn Cards.
    • Brazen
      • Now includes +15% Bow Stamina Efficiency.
      • Now includes +20% Bow Attack Speed.
    • Heavy Attack
      • Heavy attack has been moved to the ADS button while wielding a melee weapon, and is now 1 button press to activate rather than charging up.
    • Hired Gun
      • The maximum amount of Copper gained has now been increased to 1000.
      • Copper per kill increased to 5 from 2.
    • Slugger
      • Now includes +10% Bow Stamina Efficiency.
      • Now includes +20% Bow Attack Speed.
      • +5 Health changed to +5% Health.
    • Smells Like Victory
      • Card text updated to reflect the proper duration.
    • Unnatural Healing
      • Healing reduced to 1 from 5.
        • Developer Note: This change was made because Legendary Cards now apply to the entire team.
  • Director Card Updates
    • More difficult Director Cards are now weighted towards later Acts on Recruit and Veteran Difficulties.
    • Ravenous
      • Added a UI icon to the HUD for starving players.
    • Ugly Chachkies
      • Bonuses for Mementos increased to 15% from 5%.
  • Weapon Updates
    • Stamina Drain for Heavy Attacks has been increased slightly.
    • Lowest tier reload speed has been increased.
    • The Embezzler weapon now uses Sniper ammo.
    • The Tenderizer now plays reload animations after hitting Cultist Traps.
    • The Minigun in the Fort Hope shooting range is now an unlimited pickup.
    • Bow
      • Now uses melee attachments.
      • Now deals reduced damage and reloads at slower speeds when firing without Stamina. 
      • Arrows now travel faster when charged in ADS.
      • Lowered the stamina cost for firing arrows and pulling arrows back in ADS.
      • Reduced the amount of time the player is locked into the firing state when firing arrows.
      • Lowered min and max spread.
      • Increased spread decay rate.
      • Now affected by Bullet Damage and Reload Speed bonuses from cards.
    • Iron Claws
      • Now deals more damage to doors.
      • Max stacks reduced to 20 from infinite.
  • Item Updates
    • Duffel Bags can now be found in all Acts.
    • Directional damage indicators have been removed from Bear Traps.
    • The Gold Pipe now drops Warped Copper piles when Cost of Avarice is in play.
    • The Cursed Key now has a small chance to kill the user, reduce extra lives to 0, and destroy itself on failure.
    • A stumble effect has been added to Ridden during the Smoke Grenade’s explosion.
  • Spawning Updates
    • Copper spawns reduced by 2 on No Hope Difficulty.
  • Bot Updates
    • Bot Decks have been adjusted to better match that character’s default loadout.
    • Bots no longer have 1 extra life.
    • Bots pick up Toolkits when a player pings them.
    • Ammo drop cooldown timer increased to 90 seconds from 60 seconds.
    • Amount of ammo dropped increased by 50%.
    • Now drops ammo when the player reaches 60% total ammo from 55%.
    • Now heal themselves at 75% and heals others at 76% while out of combat.
    • Now heal themselves at 65% and heals others at 66% while in combat.
  • Ridden Updates
    • Various Ridden pathing improvements made across multiple Maps and Ridden Hives.
    • Hocker’s cooldown reduced to 7 seconds from 8 seconds.
    • Retch’s vomit tick rate reduced to .3 from .25.
    • Ogre
      • 30 seconds added to both ends of the Horde trigger cooldown.
      • No longer spawns out of sight from players.
    • Shredder
      • Health increased by 50.
      • Cooldown reduced to 1.5 from 2.
      • Weakspot stumble increased to 1.35 from 1.25.
  • Cultist Updates
    • Trip Wire Cultist Traps now cause the Silence is Golden objective to fail.
    • Cultist HP now scales in Nightmare and No Hope, the same as other Mutation classes.
    • Sniper Base Health reduced to 35 from 75.
    • Pusflinger
      • Collision has been adjusted on Pusflingers’ Bait Jars, making them easier to hit.
      • Base Health reduced to 325 from 350.
    • Slasher
      • Can no longer damage other Cultists.
      • Base Health reduced to 450 from 725.
      • Armor reduced to 200 from 350.
      • Now stumble when their helmet armor is broken.

Swarm PvP Updates

  • General
    • Food Scavenger card added to allow for food item spawning.

Accessibility Updates

  • Smells Like Victory
    • Added colorblind support to this card’s visual effects.

Controller and Mouse/Keyboard Updates

  • Added a 180 Quickturn to the “Legacy” Gamepad layout.

Steam Deck Updates

  • Max caption font size has been reduced.
back 4 blood december 22 update

Bug Fixes

  • Cards
    • Fixed an issue where Stat, Ability, and Talent Card types could not be sorted properly in the Deck Builder. 
    • Fixed an issue where sounds for Improvised Cards did not play on the first Mission.
    • Fixed an issue where Improvised Cards became unusable when they were bound to mouse scroll.
    • Amped Up
      • Fixed an issue where this card recovered health for incapacitated players.
    • Avenge the Fallen
      • Fixed an issue where this card’s effects could stay on permanently.
        • Developer Note: Avenge the Fallen now has a max of 12 stacks.
    • Cost of Avarice
      • Fixed an issue where Warped Copper piles did not have proper visual effects.
    • Experimental Stimulants
      • Fixed an issue where this card granted higher weakspot damage than intended.
    • Expired T5
      • Fixed an issue where this card did not deal damage when a player was pinned by a Crusher or Hocker.
    • Fit As A Fiddle/Well Rested
      • Fixed an issue where the healing preview did not appear correctly with both cards in play.
    • Glass Cannon
      • Fixed an issue where this card did not properly scale health by 30%.
    • Heads, You Lose
      • Fixed an issue where HUD animations did not always show up.
    • Meth Head
      • Fixed an issue where this card stacked too quickly when swapping weapons and swinging simultaneously.
    • On Your Mark
      • Fixed an issue where only one stack was provided with multiple of the same card in play.
    • Ravenous
      • Fixed an issue where debuff sounds did not play during the depletion of Well Fed stacks.
      • Fixed an issue where Hunger stacks did not reset after being incapacitated.
      • Fixed an issue where players could hear teammates’ Hunger debuff sounds.
    • Trigger Control
      • Fixed an issue where this card’s effects could stay on permanently.
    • Ultrasonic Wound Therapy
      • Fixed an issue where this card did not scale with healing efficiency.
    • Urgent Care
      • Fixed an issue where this Burn Card did not work on Bots.
  • Campaign
    • General
      • Fixed an issue where trauma was restored after a Mission while in a ledge hang state. 
      • Fixed an issue where Armor did not negate projectile damage.
      • Fixed an issue where the player’s camera could snap to a revived player.
      • Search and Rescue: Book Worms
        • Fixed an issue where windows didn’t always appear fully boarded up.
      • Search and Rescue: Bar Room Blitz
        • Fixed an issue where damage effects were blocked when throwing Grenades next to the jukebox.
      • The Dark Before the Dawn: Special Delivery
        • Fixed an issue where HUD elements became obscured when Biohazard was in play. 
      • Blue Dog Hollow: Bad Seeds
        • Fixed an issue where invisible collision caused players to fall into the river while navigating over the horse trailer.
      • Blue Dog Hollow: Hell’s Bells
        • Fixed an issue where not enough food items spawned with Ravenous in play.
        • Fixed an issue where windows didn’t always appear fully boarded up.
      • Blue Dog Hollow: The Sound of Thunder
        • Fixed an issue where Corrupted Mutation cards were present at the start of this Mission.
        • Fixed an issue where players could avoid hits from a Tallboy by standing on an unreachable spot near the Mine Arena.
      • The Armory: The Handy Man:
        • Fixed an issue where Mom, Walker, and Karlee would not spawn in the ending cinematic.
      • Remnants: Making the Grade
        • Fixed an issue where two Boss Slayer objectives appeared. 
        • Fixed an issue where parts of the environment flickered with the Dark or Gloom cards active.
      • Remnants: The Body Dump
        • Fixed an issue where players sometimes entered a ledge hang state incorrectly on a military truck.
        • Fixed an issue where players could avoid Ridden on top of a cliff face.
      • Blood Stream
        • Fixed an issue where Grenades could be thrown through the Saferoom wall.
      • The Cut
        • Fixed an issue where O2 generators could occasionally spawn on top of players.
      • Light Guide Us
        • Fixed an issue where Mission Items returned to their last spawn point after being thrown into the water.
      • To the Den of Evil
        • Fixed an issue where players could finish this Mission without closing the final Saferoom door.
      • Surrounded by Devils
        • Fixed an issue where not enough food items spawned with Ravenous in play.
    • Weapons
      • Fixed an issue where players could bash and melee through walls.
      • Fixed an issue where guns reloaded themselves after being dropped.
      • Fixed an issue where sight attachments disappeared after spamming ADS. 
      • Fixed an issue where certain weapons animated incorrectly while bashing.
      • Fixed an issue where multiple gun models did not have their iron sights in third person.
      • Fixed an issue where ACOG and High Zoom scopes did not render correctly when viewed through ADS in third person.
      • Fixed an issue where multiple scopes used the wrong texture in third person.
      • Fixed an issue where Rare attachments were not spawning frequently enough.
      • Fixed an issue where Damnation had incorrect iron sights in third person.
      • Fixed an issue where Lockjaw’s scope was not scaling properly during the ADS animation.
      • Fixed an issue where the ‘Drop’ button for unbolting attachments from Lockjaw was visible.
      • Fixed an issue where the Minigun sometimes spawned inside of cars.
      • Bow
        • Fixed an issue where a music stinger played when Cleaners were shot by other teammates’ arrows.
        • Fixed an animation issue when shooting while incapacitated.
        • Fixed an issue where the arrow reload animation did not work properly in third person.
        • Fixed an issue where the bow did not benefit from bullet damage, reload speed, and rate of fire modifiers.
    • Items
      • Fixed an issue with EMT’s Jumper Cables where Bleed stacks remained on the player after using self revive.
      • Fixed an issue where the Pipe Bomb did not play correct bounce sounds when hitting walls.
      • Bait Jar
        • Fixed an issue where the hit marker did not display consistently.
        • Fixed an issue where the Bait Jar could hit through walls.
      • Smoke Grenade
        • Fixed an issue where Tallboys weren’t affected by Smoke Grenades during their attacks.
        • Fixed an issue where Smoke Grenades stopped working during hordes.
      • Taser
        • Fixed an issue where crouching and aiming with the Bow broke firing animations for Tasers.
        • Fixed an issue where tracers from the Taser originated from a player’s body instead of the item.
        • Fixed an issue where players could break from grabs and stun Ridden at the same time.
    • Bots
      • Fixed an issue across multiple Maps where players could end up in untraversable areas after taking over a Bot.
      • Fixed an issue where Bots occasionally used more than one Toolkit to open the same door when it was pinged multiple times.
      • Fixed an issue where Bots did not pick up Toolkits when pinged.
      • Fixed an issue where Bots occasionally switched to a Stun Gun instead of their original Utility Item after using a Toolkit.
      • Fixed an issue where Bots occasionally became stuck on objects they could not navigate over.
      • Fixed an issue where Bots did not receive bonus Copper from end of Mission survival.
      • Fixed an issue where only one Bot shared Copper with the player after the first Saferoom.
      • Remnants: A Friend in Need
        • Fixed an issue where Bots occasionally pathed into flames and died.
    • Offline
      • Fixed an issue where the Bow’s hit marker did not display consistently in Offline Mode.
      • Fixed an issue where Legendary Intel particle effects did not turn off after using it in Offline Mode.
    • Ridden
      • Fixed an issue where Ridden occasionally teleported during their mantling animations.
      • Fixed an issue where Charred Ridden could burn players after death.
      • Fixed an issue where late joiners could not view Ogre craters properly.
      • Fixed an issue where Exploder’s death explosions could bypass and consume Armor.
      • Fixed an issue where the Breaker could be stunned for longer than intended when throwing 2 or more Flash Grenades.
      • The Devil’s Return: Resurgence
        • Fixed an issue where Stingers and their variants could get stuck under a building.
      • The Devil’s Return: Tunnel of Blood
        • Fixed an issue where the Ogre’s fence tearing animation could get interrupted.
      • The Dark Before the Dawn: Special Delivery
        • Fixed an issue where Ridden occasionally failed to crawl out of a garage.
      • The Armory: The Handy Man
        • Fixed an issue where Tallboys could get stuck in a broken wall.
      • Job 10: 22: Heralds of the Worm, Part 2
        • Fixed an issue where the Breaker could get stuck mantling over a fence.
      • Remnants: A Friend in Need
        • Fixed multiple issues with Ridden pathing.
      • Remnants: Making the Grade
        • Fixed an issue where the Ogre suddenly appeared on the roof of the sports hall.
        • Fixed an issue where the Ogre could become stuck on a construction walkway.
      • 300 Below
        • Fixed an issue where players could fall out of world when grabbed by Crushers.
      • The Nursery
        • Fixed an issue where Breakers could not attack players standing on a specific location near the cocoon.
      • Light Guide Us
        • Fixed an issue where the Hag could not navigate through the fiberglass repair doorway.
      • In the Depths
        • Fixed an issue where Ridden could run through a closed gate.
    • Cultists
      • Slasher
        • Fixed an issue where a Slasher’s Claws stayed highlighted after being killed while tagged by The Witness.
        • The Dark Before the Dawn: The Diner
          • Fixed an issue where Slashers occasionally became stuck on a gate.
  • Swarm PvP
    • Fixed an issue where initial Ridden upgrades were unlocked for both teams.
    • Fixed an issue where Tallboys had misaligned hitboxes when attacking other players.
  • Accessibility
    • Where Me Flock’s Chained
      • Fixed an issue with flashing lights in the penitentiary pavilion.
  • UI/UX
    • Fixed an issue where Evangelo’s breakout cooldown did not appear on the HUD.
    • Fixed an issue where the “Unlock up to” button remained highlighted while hovering over unlocked items in Supply Lines.
  • Playstation Platforms
    • Fixed an issue where PlayStation controllers stopped vibrating after a few seconds of shooting LMGs and miniguns.

Back 4 Blood is now available on PC, PS4, PS5, Xbox One, and Xbox Series X/S.