Killing Floor 2 Infernal Insurrection Update Patch Notes: New Map And Weapons Added

Fall update
Fall update Steam

Tripwire Interactive, the developer of Killing Floor 2, just released a new update that brings in tons of new content including the new Infernal Insurrection event along with new maps, new weapons, and more. The new event takes place in London, where the chaos originated. Players will have new weapons such as the HRG Scorcher and the HRG Arc Generator to deal with the creatures.

You can also find new DLC weapons that can be purchased through the online stores.

Killing Floor 2 Infernal Insurrection Patch Notes

You can find the patch notes below:

New Additions and Highlights

New Map

Killingfloor2 Map
Killingfloor2 Map Steam
  • Hellmark Station
  • Compatible with Survival, Weekly and Endless Game Modes.
  • The gates of Hell open into King’s Cross Station in London. Use the obelisks power to slay all the enemies coming out of the infernal portals.

Four New Weapons

  • HRG Scorcher for the Firebug
Killing Floor 2 scorcher
Killing Floor 2 scorcher Steam
  • An alteration of the HX25 Grenade Pistol that shoots sticky flares with the primary fire, that burns a target and lights everything around it.
  • Alt-fire launches a broken flare that drops flames onto the ground in a straight line.
  • Designed as a secondary weapon that can burn single targets efficiently.
  • Trader price is 1000 Dosh.
  • HRG Arc Generator for the Survivalist
Killing Floor 2
Killing Floor 2 Steam
  • An alteration of the Microwave Gun that releases a beam of electricity that arcs to nearby enemies.
  • Alt-fire launches an electricity orb in a straight direction that zaps Zeds within proximity of the orb and bursts on contact.
  • It serves as a massive crowd controller for the survivalist, with the capacity to easily inflict the EMP affliction on multiple enemies.
  • Trader price is 1500 Dosh.
  • Minigun for the Commando
Killing Floor 2 Minigun
Killing Floor 2 Minigun Steam
  • This is a paid DLC weapon. This weapon can be shared amongst players through our weapon sharing system.
  • It is a heavy machine gun with a high rate of fire and sustained damage.
  • Aiming winds the barrels to prepare the weapon for fire.
  • Trader price is 2000 Dosh.
  • Mine Reconstructor for the Field Medic
minereconstructor Killing Floor 2
minereconstructor Killing Floor 2 Steam
  • This is a paid DLC weapon. This weapon can be shared amongst players through our weapon sharing system.
  • It fires biological mines that settle on the floor and explode on contact with Zeds to hurt them and with players to heal them.
  • Players can charge the weapon, by holding down the primary fire, to increase the damaging and healing potential of the projectiles.
  • Up to 12 mines can be placed at a time, and alt-fire detonates all of them.
  • Trader price is 1200 Dosh.
  • One New Boss Skin
    • Matriarch Halloween Seasonal Variant
  • Dosh Vault Additions
    • AA12 | Vault | Stars
    • AK12 | Vault | Stars
    • Crovel | Vault | Stars
    • M1911 | Vault | Stars
    • MP5RAS | Vault | Stars
  • New Steam Achievements
    • Hellmark Station and its collectibles
  • Time-limited Objectives, Tickets, and Cosmetics
    • Seasonal objectives related to Hellmark Station
    • Complete all seasonal objectives to earn the Voodoo Backpack
    • Halloween Prize Tickets
    • Halloween Golden Prize Tickets
  • Zedconomy
    • Minigun Weapon Bundle
    • Mine Reconstructor Weapon Bundle
    • Infernal Insurrection Weapon Bundle
    • Reaper Outfit Bundle
    • Halloween 2020 Full Gear Bundle
    • Premium Halloween Ticket Bundles come in three sets of tiers:
      • Bronze - 5 Premium Seasonal Tickets
      • Silver - 10 Premium Seasonal Tickets and 1 Bonus Golden Seasonal Ticket
      • Gold - 20 Premium Seasonal Tickets and a 3 Bonus Golden Seasonal Tickets
  • Jaeger MKIII Weapon Skin Bundle Pack
  • Apocalypse Gear Cosmetic Bundle
  • WW1 Pilot Gear Cosmetic Bundle


  • Boss Stomp adjustment
    • The knockdown triggered when jumping on an enemy has now a cooldown that prevents it from abusing the stomp mechanic.
  • Underslung Reload
    • When reloading a weapon with an underslung, it will first check to see if the primary ammo needs a fresh magazine. If that is full, it will now check to see if the underslung is in need of a new round to be loaded (previously this would only happen on attempting to fire it).
  • Controller Input
    • The controller’s “Switch Weapon” hotkey will alternate between all primary, secondary and melee weapons without including the single version of the 9mm and the knife.
  • Backend Status UI Indicator
    • Lets the players know if their clients are unable to establish an initial connection.
  • Store UI Filtering
    • Some of the existing search/filter categories are adjusted and some new ones are added


  • Weapons
    • HRG Healthrower
      • Rate of fire reduced by 30%
      • Minimum ammo consume reduced from 4 to 3
      • Damage (per direct hit) increased from 20 to 27
      • Splash damage increased from 10 to 13.5
      • Damage over time scale increased by 25%
      • Damage over time duration increased by 100%
      • Poison rate reduced by 33%
      • Stumble rate increased by 50%
      • Gunhit (flinch) added to the weapon’s direct damage. It is set to a small amount.
    • HRG Winterbites
      • Bullet impact damage increased from 40 to 49
      • Projectile speed increased by 20%
      • Projectile spread reduced by 40%
      • Ammo dosh price increased from 12 to 13 for the single and from 24 to 26 for the dual
      • Explosion freeze rate reduced by 20%
      • Freeze added to the bullet impact damage. It is set to a small amount
      • Bullet impact gunhit (flinch) rate increased by 50%
      • Momentum caused by explosion removed
  • Perks
    • Field Medic
      • Level 25 ZED TIME - Zedative. The skill is totally reworked. Description of the new functionality:
        • During Zed time, all the damage done by Perk weapons is increased by 30%.
        • Your kills during Zed time generate a toxic explosion that damages and poisons Zeds. This gas also heals players.
        • The explosion radius is 4 meters, and its base damage is 150. The gas heals all players within the radius for 15 health points.

Bug Fixes
Also mentioned in the 2019 Killing Floor 2 ‘State of the Game’ our goal is to bring to the community a continued stream of community reported bug fixes for each update throughout the year. Please continue to report any bugs you discover by visiting our official forums at: and posting in the ‘PC’ or ‘Console’ sections.

Top Community Issues:

  • Fixed an issue where multiples of the same items were being granted to users in specific circumstances.
  • Fixed an issue with phantom players taking up slots on servers indefinitely.
  • Addressed some server side log spam that was being produced from logging to identify more information in regard to the phantom player issue.
  • Fixed an issue where the welder would stop recharging preventing the repair of escorted drones and stopping game progression.


  • Fixed an issue during the Tiny Terror weekly event that would crash the title.
  • Fixed an issue where both Medic Zed Time skills were able to damage Zeds through walls.


  • Fixed an issue with a change to the Dual 9mm Pistols classification which prevented them from working with Perk skills such as Close Combat Training and Fallback.


  • Fixed an issue where the Patriarch’s expended casings would hang in mid-air.


  • Fixed an issue where the background noise would play while in the Desolation map lobby.
  • Addressed performance issues in various spots in Santa’s Workshop.
  • Fixed an issue where in certain areas in Black Forest Zeds were unable to attack players
  • Fixed an issue where in certain areas in Desolation Zeds were unable to attack players
  • Hellmark Station:
    • Fixed a number of collision volumes throughout the level that were blocking player movement away from the visible obstacles.
    • Removed problematic spawn points and adjusted other spawn points to maintain the appropriate pressure levels in those areas of the map.
    • Fixed an issue where the Trader Path would guide players through walls and other physical objects.
    • Fixed a number of LOD issues throughout the map.
    • Fixed some collision volumes with some of the spikes which were allowing players to enter into them.
    • Fixed a number of areas where players could drop items into them and they would become inaccessible.
    • Fixed an issue with the Obelisk effect where the heal self notify would remain active on the screen during the entirety of the effect.
    • Fixed multiple objects that were floating away from walls or off the ground.


  • Fixed an issue with the Compound Bow Cryo Arrows drifting within the sights when shifting the weapon side to side.
  • Fixed an issue with the Glock 18c Single and Duals where the pawns arm would rotate 270 degrees when grabbed by Hans.
  • Fixed an issue with the Seal Squeal dealing damage to ZEDs through walls and closed doors.
  • Fixed an issue with the HMTech-Grenade launcher dealing damage to ZEDs through walls and closed doors.
  • Fixed an issue with the Heal grenade healing players through walls and closed doors.
  • Fixed an issue where the Dual HRG Buckshot would not show the 3p animation when reloading.
  • Blunderbuss
    • Fixed an issue where the Blunderbuss keeps firing cannonballs when the player holds down fire.
    • Fixed an issue where the Blunderbuss cannonballs were dealing inconsistent damage based upon positioning of the cannonball in relation to the player pawn.
    • Fixed an issue with the Blunderbuss cannonballs where a rapid ticking sound and constant smoke was generated while withholding the cannonball explosion.
    • Fixed a visual issue with the Blunderbuss where the cannonballs were not appearing during Zed time.
    • Fixed an issue with the Teslauncher in Versus mode where the damage resistances were not being appropriately applied.
    • Fixed an issue with canceling C4 detonation animations through weapon swaps that could result in unintended C4 detonation and self damage and or killing.
    • Fixed an issue with the Teslauncher where the bruning VFX would play continuously on EDARs, Sirens, Bloats, and Husks.
  • Fixed an issue with the HMTech-501 where when firing from the underslung grenade launcher the grenades would stay in the air when shot at a downward angle.
  • Fixed an issue with the Minigun where in Online play there was no restriction in aiming speed while firing allowing for more uptime on the fire rate than intended.
  • Fixed an issue with the Minigun where running would be prioritized over other actions.
  • Fixed an issue with the moving speed restrictions for shooting applying during the windup instead of the windup moving restrictions which were only applying while ADS.
  • Fixed an issue with the Mine Reconstructor where the liquid would remain on the barrel after a charged shot.
  • Improved performance of the Mine Reconstructor projectiles and gameplay during times of poor connection due to high packet loss.
  • Fixed an issue with the Mine Reconstructor where the interrupt notifies during the detonation animation were not triggering, forcing players to complete the animation before attempting any other action such as reloading.
  • Adjusted the Mine Reconstructor bash animation and hit registration to bring them in sync with each other.
  • Fixed an issue with the HRG Scorcher dealing double damage to Zeds that were not killed with the initial hit.


  • Fixed an issue when the Space Pirate outfit was equipped to Lt. Bill Masterson where the environment was visible through the neck.


  • Fixed an issue where Badass Santa would play the incorrect voice lines while affected by bloat bile as well as when teammates were affected by bloat bile.
  • Fixed an issue with the Teslauncher where the bruning VFX would play continuously on EDARs, Sirens, Bloats, and Husks.
  • Fixed an issue with the HX25 pellets no longer having impact and explosive audio.
  • Fixed an issue with the Matriarchs attack VO was being cut off if another VO trigger was activated by her special attacks.
  • Fixed the audio dropoff for the Mine Reconstructor where teammates could hear it across the map.

User Interface:

  • Fixed an issue with the ammo count in the Trader Pod not accurately reflecting Support weapon ammo counts when using the High Capacity Magazine skill.
  • Addressed multiple issues within the friend invite UI while using a controller:
    • Selection button beside friends name will now highlight appropriately.
    • Already invited friends are now skipped when scrolling past them.
    • Now able to enter text into the search field.
    • Fixed various buttons that were not functional when the controller was enabled.


  • Fixed an issue where the client log was spammed with a map preview line while waiting in the lobby of a match.

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