Weekly Outbreaks

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The Weekly Outbreaks in Killing Floor 2 are the special variations of the normal Survival Mode with specific mutator-a-like twists that modify certain gameplay elements making the game more challenging or forcing players to pickup specific strategies and loadouts in order to survive. There are currently 16 possible Outbreaks, with one available each week. Outbreak changes over on tuesday evenings (US time). Completing a Weekly Outbreak will earn players cosmetic rewards and 500,000 Vosh (cosmetic in-game currency) which is enough to acquire one Vault Crate that contains player accessories and weapon skins to customize your character.

Original 8 Weekly Outbreaks (from Boom to Beefcake) were added in the game on June 13, 2017, as a part of the Summer Sideshow update. Since the 2021's Dystopian Devastation developer team had begun adding more Outbreaks, free of charge, with every next major seasonal update.

Boom

Killing Floor 2 horzine weekly outbreak
Boom
Zeds under pressure; may explode.
Maybe it was something they ate? Bad gas? Whatever it was, Zeds explode when killed in this outbreak.
Start Date
End Date
Killing Floor 2 Weekly Outbreaks - Boom
Outbreak Completion Reward
Weekly | Mind Blown
Related Achievements

Zeds under pressure; may explode.

Gameplay specifics:

  • Explosive ZEDs: ZEDs explode on death.
  • Difficulty - Hard, Waves - 7.
  • Explosion: Damage - 35, Radius - 4.5m, Falloff exponent - 2, Damage type - Explosive.
  • Explosion (Bloat, Scrake, Fleshpound, bosses): Damage - 35, Radius - 5.5m, Falloff exponent - 2, Damage type - Explosive.
  • ZEDs do not take any damage from the explosions.
  • Fleshpounds spawn already enraged.















Cranium Cracker

Killing Floor 2 horzine weekly outbreak
Cranium Cracker
Brain damage is the best damage.
In this outbreak, the Zeds have mutated such that they can only be put down for good with damage to the head.
Start Date
End Date
Killing Floor 2 Weekly Outbreaks - The Cranium Cracker
Outbreak Completion Reward
Centerfire | Headshot Weekly | Mint
Related Achievements

Brain damage is the best damage.

Gameplay specifics:

  • Abomination health scale - x0.6, shield scale - x0.75 (Abomination Spawn health scale - x0.25).
  • E.D.A.R variants health scale - x0.05.
  • Hans health scale - x0.4, shield scale - x0.75.
  • Husk has a 100% chance to be replaced by Bloat.
  • King Fleshpound health scale - x0.75, shield scale - x0.5.
  • Matriarch has a 100% chance to be replaced by Patriarch.
  • Note that shield HP also depends from the actual health scale.
  • Patriarch health scale - x0.5.
  • Quarter Pound health scale - x0.9.
  • Stalker has a 100% chance to be replaced by Alpha Clot.











Tiny Terror

Killing Floor 2 horzine weekly outbreak
Tiny Terror
A small threat is still a threat.
Shooting Zeds in this outbreak will cause them to shrink, making them harder to hit.
Start Date
End Date
Killing Floor 2 Weekly Outbreaks - Tiny Terror
Outbreak Completion Reward
Weekly | Tiny Terror Hat | Precious
Related Achievements

A small threat is still a threat.

Gameplay specifics:

  • Shrinking ZEDs / players: ZEDs and players have their size scaled based on their health percentage.
  • Difficulty - Suicidal, Waves - 7.
  • Size scale at 100% HP - x1, Size scale at 0% HP - x0.5.


















Bobble Zed

Killing Floor 2 horzine weekly outbreak
Bobble Zed
...that must hurt their necks.
Something went horribly wrong with this batch of Zeds and their heads are wwwaaaayyyyyyy larger than normal! Huge even!
Start Date
End Date
Killing Floor 2 Weekly Outbreaks - Bobble Zed
Outbreak Completion Reward
Weekly | Horzine Helmet | Precious
Related Achievements

...that must hurt their necks.

Gameplay specifics

  • Enlarged head size: ZEDs and players have bigger heads. ZEDs have more health and only die when their body health is depleted.
  • Difficulty - Suicidal, Waves - 7.
  • ZEDs head size scale - x2.7, Players head size scale - x2.
  • No head dismemberment allowed. ZEDs cannot be killed by taking off their head health and only die when they ran out of body health.
  • It should be noted that ZEDs still take extra damage to body health upon draining their head HP (see step 10 of Damage To Take mechanics). The other side affects might occur, such as upon taking sufficient damage to the head Quarter Pounds and Fleshpounds become unable to enrage due to having a negative head HP value.
  • ZEDs spawn much faster (x2.5 spawn rate multiplier).
  • Each wave contains only 70% of the base wave AI amount.
  • All ammo has 50% discount.
  • Matriarch has a 100% chance to be replaced by Hans.
ZEDs have their health and headhealth adjusted by following multipliers:
ZED: Health scale: Head health scale:
Abomination x1.5 ---
Alpha x3 x4.5
AlphaKing x3 x3
Bloat x1.5 x1.5
Crawler x3 x5
CrawlerKing x3 x5
Cyst x3 x4.5
Fleshpound x2 x1.5
Gorefast x3 x2
Gorefiend x3 x2
Hans x1 ---
Husk x2 x2.5
King FP x2 ---
Matriarch x1 ---
Patriarch x1 ---
Quarter FP x1.5 x1.1
Scrake x3 x3
Siren x3 x3
Slasher x3 x4.5
Stalker x3 x2.5

Poundemonium

Killing Floor 2 horzine weekly outbreak
Poundemonium
All Fleshpounds, all the time. Almost.
The Fleshpound Convention is in town!
Start Date
End Date
Killing Floor 2 Weekly Outbreaks - Poundemonium
Outbreak Completion Reward
Weekly | King Pound Visor | Precious
Related Achievements

All Fleshpounds, all the time. Almost.

Gameplay specifics:

  • Boss replacement: Fight against King Fleshpound. King Fleshpound is capable of performing special "Whirlwind", "Ground Pound Explosion" and "Chest Beam" attacks. When King Fleshpound changes its battle phase it spawns a set of mini Fleshpounds (Quarter Pounds). Quarter Pounds also have a chance to replace common ZEDs.
  • Difficulty - Suicidal, Waves - 7.
  • Each time King Fleshpound changes its battle phase (including phase 0, when it appears on the map) it spawns a set of Quarter Pounds, which are the smaller versions of the normal Fleshpound. Quarter Pounds have less health and are slightly more vulnerable against various damage types than normal Fleshpounds. The amount Quarter Pounds spawned depends on the number of players on the server (1-6).
  • ZED to be replaced by Quarter Pound - Odds: AlphaClot - 5%, Slasher - 10%, GoreFast - 10%, Crawler - 5%, Stalker - 5%, Bloat - 65%.
  • Scrake has 90% chance to be replaced by Fleshpound (normal variant).
  • Each wave contains only 55% of the base wave AI amount.
  • King Fleshpound always spawns enraged.









Up, Up, and Decay

Killing Floor 2 horzine weekly outbreak
Up, Up, and Decay
Try to make ninety-nine Zed balloons.
Shooting Zeds in this outbreak will cause them to inflate like balloons, even to the point of floating away and popping!
Start Date
End Date
Killing Floor 2 Weekly Outbreaks - Up, Up and Decay
Outbreak Completion Reward
Weekly | Hans Plushy Backpack
Related Achievements

Try to make ninety-nine Zed balloons.

Gameplay specifics:

  • ZEDs regenerate HP: ZEDs enlarge upon taking damage and at the same time constantly regenerate their health / deflate. Killed ZEDs have custom gravity scale and also explode shortly, acting like balloons.
  • Note: In this mode ZEDs do not die to headshots: regardless of where the shot lands ZED takes health and headhealth damage at the SAME TIME. Damage dealt to headhealth is a % of how much damage ZED took compare to its maximum body health. For example: Slasher (200 health, 50 headhealth) vs. off-perk SCAR-H (55 points of damage):
  1. Slasher gets hit in body once, its health become 145 and its headhealth at the same time become (145 / 200) x 50 = 36.
  2. Slasher gets hit in head once. Since the incoming damage is greater than Slasher's headhealth, the Extra Damage On Decapitation mechanic kicks in (see "ZEDs - Damage to take"). Slasher takes Rounddown (55x1.1) + (Rounddown (55x1.1) + 200 x 0.25) x1.1 = 189 points of damage to its health and is left with (11 / 200) x 50 = 4 points of headhealth.
  • Maximum ZED size scale - x3 (achieved on death), size change interval - x0.1.
  • Custom gravity factor for inflated killed ZEDs = -0.57 (for comparison, the default gravity factor is "1").
  • Explosions are purely visual and do not damage players.
  • Inflation explosion timer - 1.7 seconds.
  • Each wave contains only 70% of the base wave AI amount.
ZEDs have their health and head health adjusted by following multipliers:
ZED: Health scale: Head health scale: Regeneration
Abomination x0.5 --- 1%/s
Alpha x2 x2.5 10%/s
AlphaKing x1 x1.2 10%/s
Bloat x0.4 x1.5 10%/s
Crawler x3 x6 10%/s
CrawlerKing x3 x6 10%/s
Cyst x2 x2.5 10%/s
Fleshpound x0.35 x2 10%/s
Gorefast x1 x3 10%/s
Gorefiend x0.75 x1 10%/s
Hans x1 (shield - x1.25) --- 0.5-1%/s
Husk x1 x1 10%/s
King FP x0.75 --- 1%/s
Matriarch x0.5 --- 1%/s
Patriarch x1.1 --- 1%/s
Quarter FP x0.7 x0.75 10%/s
Scrake x0.5 x1 10%/s
Siren x1 x1 10%/s
Slasher x2 x2.5 10%/s
Stalker x3.5 x5 10%/s
Hans Volter's HP % regeneration rate increases linearly from 0.5% to 1%/s according to the CURRENT PLAYERS / MAX PLAYERS ratio.

Zed Time

Killing Floor 2 horzine weekly outbreak
Zed Time
All the Zed Time in the world.
Ever think that life is passing you by? Not in this outbreak! You'll be in Zed Time any time you're near a Zed.
Start Date
End Date
Killing Floor 2 Weekly Outbreak - ZED Time
Outbreak Completion Reward
Weekly | Fleshpound Visor
Related Achievements

All the Zed Time in the world.

Gameplay specifics:

  • Permanent ZED Time: ZED Time is always ON, players may leave ZED Time into the partial ZED Time when being at the certain distance from ZEDs. ZEDs have increased spawn rate. Lvl 25 perks are OFF.
  • ZED Time slomo scale - x0.5.
  • Distance to ZEDs to enter ZED Time - 14.5 meters.
  • Distance to boss to enter ZED Time - 20.48 meters.
  • Height to enter / leave ZED Time, when within ZEDs vicinity - 5.12 meters.
  • ZEDs spawn much faster (x15 spawn rate multiplier). Spawn points have no de-rate time (are always "good" to spawn).
  • Stalker has a 7% chance to be replaced by Scrake. No such replacement allowed during the boss wave.
  • ZED Time ends when 6 or fewer ZEDs remain
  • Each wave contains only 50% of the base wave AI amount.
  • Level 25 skills are inactive in this mode.
ZEDs have their health and damage adjusted by folling multipliers:
ZED: Health scale: Damage scale:
Abomination x0.8 x0.85
Alpha --- x0.6
AlphaKing --- x0.6
Bloat --- x0.6
Crawler --- x0.6
CrawlerKing --- x0.6
Cyst --- x0.6
FP / QP --- x0.6
Gorefast --- x0.6
Gorefiend --- x0.6
Hans x0.7 x0.7
Husk --- x0.6
King FP x0.8 x0.85
Matriarch x0.8 x0.85
Patriarch x0.8 x0.85
Scrake --- x0.6
Siren --- x0.6
Slasher --- x0.6
Stalker --- x0.6
Stalker has a 7% chance to be replaced by Scrake. No such replacement allowed during the boss wave.
ZED Time goes off when there is only 6 AIs remain during the wave time.
Each wave contains only 50% of the base wave AI amount.
Level 25 skills are inactive in this mode.

Beefcake

Killing Floor 2 horzine weekly outbreak
Beefcake
Bigger they are, harder you fall.
In this outbreak, Zeds increase their health, size, and reach when they hit players or are affected by certain Zed abilities.
Start Date
End Date
Killing Floor 2 Weekly Outbreak - Beefcake
Outbreak Completion Reward
Weekly | Horzine Armor | Precious
Related Achievements

Bigger they are, harder you fall.

Gameplay specifics:

  • ZEDs get stronger: Each time ZED deals damage to aplayer, is rally boosted, is within the AOE of Siren's scream attack or takes poison damage left by killed Elite Crawlers, it's health and size are increased by the listed value.
  • Difficulty - Suicidal, Waves - 7.
  • Stats increment happens for every ZED individually.
  • Health increment affects both - ZED's max health and ZED's current health. Maximum health increased according to the listed %, if by the moment of health growth the ZED is missing some HP, its current HP value will be increased by (DEFAULT HP x % INCREMENT) amount of the points, but will never be more than its new max health value. In other words ZED will be healed by the given %.
  • Unlike body, ZED's head does not scale up. Its HP and size remain the same.
  • Each wave contains only 75% of the base wave AI amount.
ZED / Action Body size increment, when ZED is under effect of: Max increment
Does damage Rally boosted Siren scream Poison cloud
Abomination 1% 1% 1% 1% x1.25
Alpha 5% 5% 2% 2% x1.5
AlphaKing 5% 5% 2% 2% x1.5
Bloat 5% 10% 2% 2% x1.25
Crawler 10% 5% 2% 2% x1.5
CrawlerKing 1% 5% 2% 2% x1.5
Cyst 5% 5% 2% 2% x1.5
DAR Blaster 5% 10% 2% 2% x1.25
DAR Bomber 5% 10% 2% 2% x1.25
DAR Trapper 5% 10% 2% 2% x1.25
Fleshpound 5% 20% 2% 2% x1.25
Gorefast 5% 5% 2% 2% x1.5
Gorefiend 5% 5% 2% 2% x1.5
Hans 1% 1% 1% 1% x1.25
Husk 5% 10% 2% 2% x1.25
King FP 1% 1% 1% 1% x1.25
Matriarch 1% 1% 1% 1% x1.25
Patriarch 1% 1% 1% 1% x1.25
Quarter FP 5% 20% 2% 2% x1.25
Scrake 5% 20% 2% 2% x1.25
Siren 5% 5% 2% 2% x1.5
Slasher 5% 5% 2% 2% x1.5
Stalker 5% 5% 2% 2% x1.5
ZED / Action Health increment, when ZED is under effect of: Max increment
Does damage Rally boosted Siren scream Poison cloud
Abomination 0% 0% 0% 0% x1
Alpha 90% 50% 50% 50% x4.5
AlphaKing 90% 50% 50% 50% x4.5
Bloat 20% 20% 20% 20% x3
Crawler 90% 50% 50% 50% x3.5
CrawlerKing 90% 50% 50% 50% x4.5
Cyst 90% 50% 50% 50% x4.5
DAR Blaster 20% 20% 20% 20% x2
DAR Bomber 20% 20% 20% 20% x2
DAR Trapper 20% 20% 20% 20% x2
Fleshpound 0% 0% 0% 0% x1
Gorefast 90% 50% 50% 50% x3
Gorefiend 20% 20% 20% 20% x2
Hans 0% 0% 0% 0% x1
Husk 20% 20% 20% 20% x2.5
King FP 0% 0% 0% 0% x1
Matriarch 0% 0% 0% 0% x1
Patriarch 0% 0% 0% 0% x1
Quarter FP 0% 0% 0% 0% x1
Scrake 0% 0% 0% 0% x1
Siren 50% 50% 50% 50% x3
Slasher 90% 50% 50% 50% x4.5
Stalker 90% 50% 50% 50% x3

Blood Thirst

Killing Floor 2 horzine weekly outbreak
Blood Thirst
Keep the kill streak going or die...
A thirst of Zed blood will continuously harm you (while the weekly icon is displayed near the health counter). Killing is the only way to regenerate your health.
Start Date
End Date
[[File:|94px|link=]] [ ']
Outbreak Completion Reward
Bloodthirst Backpack
Related Achievements

Keep the kill streak going or die...

Gameplay specifics:

  • Health drain: A health drain debuff constantly harms all players during the waves, unless there are less than 5 ZEDs alive. Killing enemies or making assists regenerates a portion of the player’s health. Other healing methods are deactivated. Killing Scrakes and Fleshpounds grants "Hellish Rage" PowerUp (without the health cost upon activation).
  • Difficulty - Suicidal, Waves - 7.
  • Players constantly lose health: 6 hp every 2 seconds. Delay to apply damage - 10s after wave begin. Damage type to take is "falling". Perk's damage resistance mitigates portion of this damage. Damage goes to actual health and is not stopped by armor.
  • Health does not drop during trader time. Players are completely healed at the start of trader time. Health does not drop during the boss wave.
  • ZEDs spawn much faster: spawn rate multiplier = x6.
ZED HP on kill HP on assist Ground speed Health scale Damage dealt by
Alpha 5 3 x1.2 --- ---
AlphaKing 10 7 x1.2 --- ---
Bloat 16 11 x1.2 --- ---
Crawler 5 3 x1.2 --- ---
CrawlerKing 10 7 x1.2 --- ---
Cyst 5 3 x1.2 --- ---
DAR Blaster 10 7 x1.2 --- ---
DAR Bomber 10 7 x1.2 --- ---
DAR Trapper 10 7 x1.2 --- ---
Fleshpound 60 42 x1.2 --- ---
Gorefast 7 5 x1.2 --- ---
Gorefiend 10 7 x1.2 --- ---
Husk 12 8 x1.2 --- ---
Quarter FP 36 25 x1.2 --- ---
Scrake 50 35 x1.2 --- ---
Siren 12 8 x1.2 --- ---
Slasher 5 3 x1.2 --- ---
Stalker 7 5 x1.2 --- ---
Abomination --- --- --- x1 x0.75
Hans --- --- --- x1 x0.75
King FP --- --- --- x1 x0.75
Matriarch --- --- --- x1 x0.75
Patriarch --- --- --- x1 x0.75
PoopSpawn 7 5 --- --- ---

Coliseum

Killing Floor 2 horzine weekly outbreak
Coliseum
Only berserkers allowed!
Sharp your swords and axes and welcome to the arena! Train your Battering Rams skills.
Start Date
End Date
[[File:|94px|link=]] [ ']
Outbreak Completion Reward
Zweihander | Coliseum | Precious
Related Achievements

Only berserkers allowed!

Gameplay specifics:

  • Melee mode: Only Berserkers using melee weapons allowed. ZED Time rate increased and Battering Ram skill granted to every player. Custom ZED spawn composition, with more Gorefasts and Quarterpounds than usual.
  • Both of the Berserker's level 25 skills are disabled, replaced instead by SWAT's Battering Ram skill. Kills made via Battering Ram do not trigger the Vampire skill, nor does Battering Ram damage gets boosted by any other Berserker skills.
  • Difficulty - HOE, Waves - 7.
  • Per-wave AI count (of base scale): 0.75, 0.7, 0.65, 0.6, 0.55, 0.5. Dosh on kill (global modifier) - x0.7.
  • ZEDs spawn faster: x2 spawn rate modifier.
  • ZED Time chance on near kill (3 meters or closer) = 60%.
ZED Chance to be replaced by Replace chance Health scale Damage dealt by
Abomination --- --- x0.75 x0.6
Alpha Gorefast 10% x1 x0.75
AlphaKing --- --- x1 x0.75
Bloat Quarter FP 50% x1 x0.75
Crawler Gorefast 10% --- ---
Cyst --- --- x1 x0.75
Fleshpound --- --- x0.75 x0.6
Gorefast Gorefiend 30% x1 x0.75
Gorefiend --- --- x1 x0.75
Hans --- --- x0.75 x0.6
Husk Scrake 100% --- ---
King FP --- --- x0.75 x0.6
Matriarch --- --- x0.75 x0.6
Patriarch --- --- x0.75 x0.6
Quarter FP --- --- x0.75 x0.6
Scrake Fleshpound 50% x0.75 x0.6
Siren Quarter FP 50% x1 x0.75
Slasher Gorefast 10% x1 x0.75
Stalker Gorefast 10% --- ---

Arachnophobia

Killing Floor 2 horzine weekly outbreak
Arachnophobia
Overpowered Stomps!
We are suffering a plague of crawlers. Put on your boots and prepare to step on all of them.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Crawler Legs backpack
Related Achievements

Overpowered Stomps!

Gameplay specifics:

  • Goomba stomping: Custom ZED spawn composition, more Crawlers with more health than usual. Subsequent stomping increases its damage. Players are healed after killing Crawlers (either by weapons or stomping). Player's jump height is increased slightly.
  • Difficulty - Suicidal, Waves - 7.
  • Stomp damage (base) = 550. Every subsequent stomp increases it by 10%, up to 50% more damage. Streak resets when player lands on the floor.
  • ZEDs spawn slower: spawn rate multiplier = x0.75. Per-wave AI count (of base scale) = x0.6.
  • Custom jump height for players = 700 (for comparison normal is 650).
  • King Crawlers do not explode into toxic cloud when killed.
ZED Chance to be replaced by Crawler Head / body HP Speed / damage Kill / stomp
Alpha 60% --- --- ---
AlphaKing 60% --- --- ---
Bloat 60% --- --- ---
Crawler (+king) 100% x20 / x10 x0.7 / x0.7 +10HP
Cyst 60% --- --- ---
DAR Blaster 60% --- --- ---
DAR Bomber 60% --- --- ---
DAR Trapper 60% --- --- ---
Fleshpound 70% --- --- ---
Gorefast 60% --- --- ---
Gorefiend 60% --- --- ---
Husk 60% --- --- ---
Quarter FP 70% --- --- ---
Scrake 70% --- --- ---
Siren 60% --- --- ---
Slasher 60% --- --- ---
Stalker 60% --- --- ---

Scavenger

Killing Floor 2 horzine weekly outbreak
Scavenger
Improvise. Adapt. Overcome.
Traders have been sabotaged and are empty of weapons. You must make use of the weapons that you find on the ground.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} AK-12 Scavenger weapon skin
Related Achievements

Improvise. Adapt. Overcome.

Gameplay specifics:

  • No trader mode: Players have to scavenge for weapons. Only grenades and armor is available for purchase in trader pod. Weapon pickups vary depending on the current wave.
  • Difficulty - Hard, Waves - 7.
  • Life time of dropped items - 20 seconds, multiplier for dosh on kill = x0.2.
  • Two times more weapon pickups than usual and 20% less ammo pickups.
  • The amount of weapon pickups is set to maximum from the start (opposite to normal survival mode where possible quantity of the items on the ground increased with every next wave linearly). Ammo pickups still scale from x0.5 at the start to x0.9 at the end.
  • Ammo respawn time: 1 player = 20s, 2 players = 20s, 3 players = 10s, 4 players = 10s, 5 players = 5s, 6 players = 5s.
  • Weapon respawn time: 1 player = 10s, 2 players = 10s, 3 players = 5s, 4 players = 5s, 5 players = 2s, 6 players = 2s.
Possibly available items to scavenge. Note: as of current version of the game the DLC weapons are temporary removed from this list.
wave 1 wave 2 wave 3 wave 4 wave 5 wave 6 wave 7 wave 8
9mmDual

Crovel

MB500

MedicPistol

HX25

CaulkBurn

Remington1858Dual

Winchester1894

MP7

AR15

Nailgun

Katana

ChainBat

FireAxe

Bullpup

Thompson

DoubleBarrel

HZ12

DragonsBreath

MedicSMG

Healthrower_HRG

M79

FlareGunDual

Mac10

HRGScorcher

Colt1911Dual

HRGWinterbite

CenterfireMB464

Crossbow

MP5RAS

Nailgun

Katana

ChainBat

FireAxe

Bullpup

Thompson

DoubleBarrel

HZ12

DragonsBreath

MedicSMG

Healthrower_HRG

M79

FlareGunDual

Mac10

HRGScorcher

Colt1911Dual

HRGWinterbite

CenterfireMB464

Crossbow

MP5RAS

MedicBat

Pulverizer

Rifle_FrostShotgunAxe

AK12

MKB42

M16M203

M4

SW500Dual_HRG

MedicShotgun

Hemogoblin

Mine_Reconstructor

SealSqueal

FlameThrower

HRGIncendiaryRifle

ChiappaRhinoDual

DeagleDual

M14EBR

HRG_SonicGun

MosinNagant

P90

Nailgun_HRG

HK_UMP

FreezeThrower

HRG_Kaboomstick

FAMAS

MedicBat

Rifle_FrostShotgunAxe

M16M203

M4

MedicShotgun

FlameThrower

HRGIncendiaryRifle

DeagleDual

HRG_SonicGun

MosinNagant

HK_UMP

FreezeThrower

HRG_Kaboomstick

FAMAS

Eviscerator

FNFal

MedicRifle

ElephantGun

Seeker6

HuskCannon

SW500Dual

Kriss

HRG_EMP_ArcGenerator

HRGTeslauncher

Eviscerator

MaceAndShield

PowerGloves

SCAR

Stoner63A

MedicRifle

FNFal

AA12

ElephantGun

Blunderbuss

HRGIncision

HRG_Vampire

RPG7

Seeker6

HuskCannon

MicrowaveGun

SW500Dual

AF2011Dual

Pistol_DualG18

RailGun

G18

Kriss

HRG_EMP_ArcGenerator

AbominationAxe

Minigun

MedicRifleGrenadeLauncher

MicrowaveRifle

CompoundBow

M99

LazerCutter

HRG_BlastBrawlers

ThermiteBore

HRG_BarrierRifle

HRGTeslauncher

Eviscerator

MaceAndShield

PowerGloves

SCAR

Stoner63A

MedicRifle

FNFal

AA12

ElephantGun

Blunderbuss

HRGIncision

HRG_Vampire

RPG7

Seeker6

HuskCannon

MicrowaveGun

SW500Dual

AF2011Dual

Pistol_DualG18

RailGun

G18

Kriss

HRG_EMP_ArcGenerator

AbominationAxe

Minigun

MedicRifleGrenadeLauncher

MicrowaveRifle

CompoundBow

M99

LazerCutter

HRG_BlastBrawlers

ThermiteBore

HRG_BarrierRifle

HRGTeslauncher

Eviscerator

MaceAndShield

PowerGloves

SCAR

Stoner63A

MedicRifle

FNFal

AA12

ElephantGun

Blunderbuss

HRGIncision

HRG_Vampire

RPG7

Seeker6

HuskCannon

MicrowaveGun

SW500Dual

AF2011Dual

Pistol_DualG18

RailGun

G18

Kriss

HRG_EMP_ArcGenerator

AbominationAxe

Minigun

MedicRifleGrenadeLauncher

MicrowaveRifle

CompoundBow

M99

LazerCutter

HRG_BlastBrawlers

ThermiteBore

HRG_BarrierRifle

Wild West London

Killing Floor 2 horzine weekly outbreak
Wild West London
It’s high noon baby!
Howdy cowboys and cowgirls! Prepare to unload your revolvers with a Fan Fire style in this western horror story. Only Gunslinger and Sharpshooters allowed.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Wild West London Hat
Related Achievements

It’s high noon baby!

Gameplay specifics:

  • Cowboy mode: Only Gunslinger and Sharpshooter perks allowed. Reduced selection of weapons available. Fan Fire skill granted to every player. Players receive more dosh than usual. Players healed after killing ZEDs with a headshot.
  • Difficulty - Suicidal, Waves - 7.
  • Global Dosh kill modifier = x.1.4. No item pickups. ZEDs spawn slower (Spawn Rate Multiplier = x0.75).
  • Ammo pickup modifier (per wave) = 0.125, 0.175, 0.35, 0.525, 0.7, 0.875, 0.75, 0.99, 0.99.
  • ZED Count Scale (per wave, of base value) = 0.75, 0.7, 0.7, 0.65, 0.65, 0.6.
  • 50% chance for Fleshpounds to be replaced by Scrakes and for Quarterpounds - by Gorefiends.
ZED HP on kill HP / Dmg scale ZED HP on kill HP / Dmg scale
Abomination --- x0.8 / x0.7 Gorefiend 5 ---
Alpha 1 --- Hans --- x0.8 / x0.7
AlphaKing 5 --- Husk 10 ---
Bloat 10 --- King FP --- x0.8 / x0.7
Crawler 1 --- Matriarch --- x0.8 / x0.7
CrawlerKing 5 --- Patriarch --- x0.8 / x0.7
Cyst 1 --- PoopSpawn 2
DAR Blaster 5 --- Quarter FP 20 x0.8 / x0.7
DAR Bomber 5 --- Scrake 20 ---
DAR Trapper 5 --- Siren 10 ---
Fleshpound 20 x0.8 / x0.7 Slasher 1 ---
Gorefast 5 --- Stalker 2 ---

Abandon All Hope

Killing Floor 2 horzine weekly outbreak
Abandon All Hope
The ultimate challenge
WARNING: This mode is extremely difficult! Only for those who see Hell on Earth as child’s play.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Kriss Infernal Elite Precious
Related Achievements

The ultimate challenge

Gameplay specifics:

  • Harder than Hell On Earth: More and stronger ZEDs to spawn, ZEDs spawn and move faster, Quarterpounds spawn enraged. Bosses have 75% more health than usual. Ammo boxes spawn more frequently.
  • Difficulty - HOE, Waves - 7.
  • ZED Count Scale (per wave, of base value) = 1.3, 1.3, 1.3, 1.3, 1.3, 1.3.
  • Ammo pickup modifier (per wave) = 0.125, 0.15, 0.3, 0.45, 0.6, 0.75, 0.9, 0.99, 0.99.
  • Faster ZED's spawn: Spawn Rate Multiplier = x3.
  • Bosses have 75% more health (x1.75) and move 25% (x1.25) faster. All other ZEDs move 20% (x1.2) faster. Quarterpounds spawn enraged.
  • 15% replacement chance for: Cyst by Alpha, Alpha by AlphaKing, Gorefast by Gorefiend and Crawler by CrawlerKing. 5% replacement chance for: Bloat by Scrake. 20% replacement chance for: Quarterpound by Fleshpound.








Boss Rush

Killing Floor 2 horzine weekly outbreak
Boss Rush
Gotta beat 'em all
Five waves for five bosses. Are you prepared to beat them one by one? WARNING: The difficulty will scale with each boss defeated.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Practice Target Backpack | Precious
Related Achievements

Gotta beat 'em all

Gameplay specifics:

  • Boss waves: All waves are the Boss waves. For every next wave ZEDs and bosses get more health, shield health, become faster and do more damage. Ammo boxes and item pickups are frequent.
  • Difficulty - Suicidal, Waves - 4 (all 4 waves and final one are the boss waves).
Data per wave wave 1 wave 2 wave 3 wave 4 wave 5
ZED replacement Cyst by Alpha - 15% chance

Alpha by Alpha_King - 15% chance

Gorefast by Gorefiend - 15% chance

Crawler by Crawler_King - 15% chance

Bloat by Scrake - 5% chance

Quarterpound by Fleshpound - 5% chance

Cyst by Alpha - 15% chance Cyst by Alpha - 15% chance Cyst by Alpha - 15% chance Cyst by Alpha - 15% chance
Dosh reward 1700 2000 2300 3000 ---
Abomination HealthScale=0.22

DamageDealtScale=0.7

GroundSpeedModifierScale=0.75

ShieldScale=0.22

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

ShieldScale=0.9

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

ShieldScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

ShieldScale=1.1

HealthScale=1.4

DamageDealtScale=1.2

GroundSpeedModifierScale=1.2

ShieldScale=1.4

AlphaKing HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

Bloat HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

DAR Blaster HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

DAR Bomber HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

DAR Trapper HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

Gorefiend HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

Hans HealthScale=0.5

DamageDealtScale=0.7

GroundSpeedModifierScale=0.75

ShieldScale=0.22

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

ShieldScale=0.9

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

ShieldScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

ShieldScale=1.1

HealthScale=1.4

DamageDealtScale=1.2

GroundSpeedModifierScale=1.2

ShieldScale=1.4

Husk HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

King FP HealthScale=0.22

DamageDealtScale=0.7

GroundSpeedModifierScale=0.75

ShieldScale=0.22

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

ShieldScale=0.9

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

ShieldScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

ShieldScale=1.1

HealthScale=1.4

DamageDealtScale=1.2

GroundSpeedModifierScale=1.2

ShieldScale=1.4

Matriarch HealthScale=0.22

DamageDealtScale=0.7

GroundSpeedModifierScale=0.75

ShieldScale=0.22

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

ShieldScale=0.9

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

ShieldScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

ShieldScale=1.1

HealthScale=1.4

DamageDealtScale=1.2

GroundSpeedModifierScale=1.2

ShieldScale=1.4

Patriarch HealthScale=0.22

DamageDealtScale=0.7

GroundSpeedModifierScale=0.75

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.4

DamageDealtScale=1.2

GroundSpeedModifierScale=1.2

PoopSpawn HealthScale=0.6

DamageDealtScale=0.3

GroundSpeedModifierScale=0.6

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

Quarter FP HealthScale=0.6

DamageDealtScale=0.5

GroundSpeedModifierScale=0.7

HealthScale=0.9

DamageDealtScale=0.9

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

HealthScale=1.1

DamageDealtScale=1.1

GroundSpeedModifierScale=1.0

HealthScale=1.0

DamageDealtScale=1.0

GroundSpeedModifierScale=1.0

Shrunken Heads

Killing Floor 2 horzine weekly outbreak
Shrunken Heads
Trying to headshot is worthless...
Maybe they are trying to protect themselves against the player headshot habits. Anyway, at least it seems that they got new weak spots.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Boss Trophy Backpack | Precious
Related Achievements

Trying to headshot is worthless...

Gameplay specifics:

  • Small heads: Player's and ZED's head size is reduced. ZEDs do not take any damage to heads at all. New weak spots for ZEDs.
  • Difficulty - Suicidal, Waves - 7.
  • Technically each shot to head only does 1 point of damage. ZEDs do not wonder headless.
  • Wave size = x0.8 (of base value), Faster ZED's spawn: Spawn Rate Multiplier = x1.5, Dosh mod = x1.2.
  • Boss replacement: Matriarch by Hans.
ZED Health scale Damage scale Weak zone mod Bone names ZED replacement
Abomination x1.4 x1.0 Arms - x1.5 rupperarm, rforearm, rhand, lupperarm, lforearm, lhand Clot by Clot_AlphaKing, Chance=0.2

AlphaClot  by Clot_AlphaKing, Chance=0.2

SlasherClot by Clot_AlphaKing, Chance=0.2

Crawler by GorefastDualBlade, Chance=0.4

Stalker by GorefastDualBlade, Chance=1.0

GoreFast by GorefastDualBlade, Chance=1.0

FleshPound by Scrake, Chance=0.3

FleshpoundMini by Scrake, Chance=0.3

EDAR_EMP by Bloat, Chance=1.0

EDAR_Laser by Bloat, Chance=1.0

EDAR_Rocket by Bloat, Chance=1.0

AlphaKing x1.5 x1.0 Right leg - x3 rfoot, rcalf, rthigh
Bloat x1.0 x1.0 Right and left arms - x4 rupperarm, rforearm, rhand, lupperarm, lforearm, lhand
Fleshpound x1.0 x1.0 Chest core - x3 heart
Gorefiend x1.3 x1.0 Left leg - x3 lfoot, lcalf, lthigh
Hans x1.2 x1.0 Entire body (armor) - x1.3 armor
Husk x1.0 x1.0 Right forearm - x3 rforearm, rupperarm
King FP x1.2 x1.0 Chest core - x1.3 heart
Patriarch x1.2 x1.0 Right leg - x1.3 rfoot, rcalf
Quarter FP x1.0 x1.0 Chest core - x3 heart
Scrake x1.0 x1.0 Right forearm - x3 rforearm, rupperarm
Siren x1.0 x1.0 Legs - x3 rfoot, lfoot, rcalf, lcalf, rthigh, lthigh

Arsenal Ascent

Killing Floor 2 horzine weekly outbreak
Arsenal Ascent
Level up your weapon!
Traders are not operative. Start only with a knife. Earn weapon points by killing to obtain better weapons. Only Survivalists allowed.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Supply Backpack | Precious
Related Achievements

Level up your weapon!

Gameplay specifics:

  • Difficulty - Suicidal, Waves - 7.
  • Gun game: No trader pods, all players are Survivalists. Players start only with a knife and earn weapon points by killing to obtain better weapons.
  • Last wave (7th) repeats until first player in the team reaches tier 24. Then comes boss wave.
  • Player cannot throw weapon or dosh. Only ammo and armor pickups allowed.
Tier Score required Available weapons (to pick one randomly) Score per zed kill / assist
1 50 9mm Clot_AlphaKing: kill score = 30, assistance score = 5
2 100 9mmDual, MedicPistol, Crovel Clot_Slasher: kill score = 10, assistance score = 2
3 200 HX25, FlareGun, HRGWinterbite Siren: kill score = 30, assistance score = 5
4 300 AR15, CaulkBurn, MP7 Stalker: kill score = 10, assistance score = 2
5 400 Remington1858Dual, Winchester1894, MB500 Crawler: kill score = 10, assistance score = 2
6 500 FireAxe, MedicSMG, SW500_HRG CrawlerKing: kill score = 20, assistance score = 4
7 600 M79, Crossbow, Colt1911Dual Gorefast: kill score = 20, assistance score = 4
8 750 MP5RAS, Thompson, HRG_Boomy, Bullpup GorefastDualBlade: kill score = 30, assistance score = 4
9 900 FlareGunDual, HRGWinterbiteDual, Katana, CenterfireMB464 Bloat: kill score = 30, assistance score = 5
10 1050 Nailgun, DoubleBarrel, HZ12, DragonsBreath Husk: kill score = 30, assistance score = 5
11 1200 Healthrower_HRG, Mac10, HRG_Crossboom, HRGScorcher DAR_EMP: kill score = 20, assistance score = 4
12 1350 SealSqueal, HRG_CranialPopper, HRG_SonicGun, Hemogoblin DAR_Laser: kill score = 20, assistance score = 4
13 1500 AK12, MKB42, FlameThrower, FreezeThrower DAR_Rocket: kill score = 20, assistance score = 4
14 1650 Pulverizer, MedicBat, Nailgun_HRG, Nailgun_HRG, P90 Scrake: kill score = 50, assistance score = 10
15 1800 DeagleDual, HRG_Energy, _AF2011Dual, HRG_Vampire Fleshpound: kill score = 50, assistance score = 10
16 2000 HRG_Kaboomstick, MedicShotgun, M4, SW500Dual_HRG FleshpoundMini: kill score = 40, assistance score = 8
17 2200 HK_UMP, HRGIncendiaryRifle, M16M203, M14EBR BloatKingSubspawn: kill score = 0, assistance score = 0
18 2400 PowerGloves, HRG_BlastBrawlers, HRGTeslauncher, MaceAndShield Weapon tier to give when player starts mid-game or when respawns
19 2600 MedicRifle, HRG_BarrierRifle, HRG_Stunner, SCAR wave 1 - tier 3, wave 2 - tier 7, wave 3 - tier 10, wave 4 - tier 12,

wave 5 - tier 14, wave 6 - tier 16, wave 7 - tier 18, wave 8 - tier 19.

20 2800 HuskCannon, AA12, FNFal, HRGIncision
21 3000 Stoner63A, ElephantGun, Seeker6, Eviscerator Note that wave number updates only after beginning of the new wave,

e.g. player spawned after first wave will be given random tier 3 weapon.

22 3300 AbominationAxe, RailGun, MicrowaveGun, SW500Dual
23 3600 MedicRifleGrenadeLauncher, Kriss, RPG7, M99
24 4000 M32, LazerCutter, MicrowaveRifle, HRG_EMP_ArcGenerator

Primary Target

Killing Floor 2 horzine weekly outbreak
Primary Target
Protect the VIP!
One player is chosen as VIP. The VIP must survive or the game is over. The VIP can only be healed by other players.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Primary Target Crown | Precious
Related Achievements

Protect the VIP!

Gameplay specifics:

  • Difficulty - Suicidal, Waves - 7.
  • Protect the VIP: Once per wave a random player is chosen as VIP. VIP must survive or game is over. ZEDs mostly target VIP. VIP can only be healed by other players but also has more health and improved damage output with all weapons and damage resistance depending on the remaining health.
  • VIP extra health = +100. Damage output and damage resistance scale up linearly as VIP's health goes down.
  • Multiplier for damage output: (health > 100) - x1, (health = 50) - x1.5, (health < 25) - x1.75.
  • Multiplier for incoming damage: (health > 100) - x1, (health = 50) - x0.75, (health < 25) - x0.5.
  • ZEDs mainly target VIP but can change their enemy if the other player has caused total damage that is 50%+ of their maximum health.
  • VIP's damage output extends on off-perk weapons as well.








Perk Roulette

Killing Floor 2 horzine weekly outbreak
Perk Roulette
Adapt your playstyle
Perk is not a choice anymore. For each wave, you’ll have to adapt to the perk assigned.
Start Date {{{StartDate}}}
End Date {{{EndDate}}}
[[File:{{{TrailerThumbnail}}}|94px|link={{{TrailerLink}}}]] [{{{TrailerLink}}} {{{TrailerName}}}]
Outbreak Completion Reward
link={{{RewardLink}}} Train Conductor Backpack | Precious
Related Achievements

Adapt your playstyle

Gameplay specifics:

  • Difficulty - Suicidal, Waves - 7.
  • Random perk each wave: At the beginning of the game and after each wave player's perk is selected randomly. Perks do not repear within squad and on the same player.
  • Global Dosh kill modifier = x.1.3.