Killing Floor 2 is arguably the most satisfying teamwork you can experience on a wave-based – zombie-annihilating FPS! The main reason, is the wealth of classes available in the game, known as “Perks“. As you would expect in a class-based game, your team formation will go a long way into how much you can achieve & how much you can enjoy the game.

The community of KF2 is one the best FPS communities out there! Toxic people are rare to find, and even though most of the player base is dedicated (and they will take for granted you know every bit of this guide by heart), it’s to everyone’s best interest to cooperate with the team, if you’re going to make it out alive!

Without further ado, let’s break down all 10 classes / perks of Killing Floor 2, so you can get more accustomed to each one’s priorities, gameplay & weapons.

Berserker

Berserker Perk Overview, Killing Floor 2
Berserker Perk Overview, Killing Floor 2

Target Priority

High

  • Stalker
  • Siren
  • Scrake
  • Fleshpound
  • Quarter Pound

Medium

  • Alpha CLot
  • Slasher
  • Rioter
  • Gorefiend
  • Gorefast

Low

  • Crawler
  • Elite Crawlers
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper
  • Bloat
  • Husk

Berserker is the tank perk of Killing Floor 2, using melee and ranged decapitating weapons. He is provided with more damage resistance than other perks, so he can aggro and slay large groups of Zeds in close combat.

The priorities that a Berserker should have revolve around the right positioning to prevent large groups of Zeds and enraged big Zeds to corner your allies. Holding doors and tight corridors can prevent these situations, as well as kiting zeds out of close quarters.

Also keep in mind that when you reach 15 level, you can choose to get extra damage output, attack speed and 40% reduced damage taken, after blocking an attack. By using this ability you can kill large Zeds fast, and trash even faster!

When you encounter more than one large Zeds, don’t enrage them all at once, as it will cause them to flee enraged, onto you or some ally that is much more vulnerable in these kind of close combats. Try to kite large Zeds on your side and decapitate them one after the other.

Weapon Strategy

Katana, in my opinion, is the most efficient way to kill trash-zeds and an Eviscerator should do the job on any big Zed. Of course, a Pulverizer is more efficient on Fleshpounds and Quarter Pounds, since they are more vulnerable in explosives, but still, just two or three headshots with an Eviscerator is enough for any large Zed. Also Eviscerator helps you deal with raged Zeds, while being in a longer range than usual, plus the alternate fire of it, which is a spinning saw blade, can help you deal with Zeds in short range.

On Boss waves, I strongly suggest Eviscerator and Katana. Keep kiting and shooting Boss with Eviscerator blades. By doing this you help allies to be steady somewhere safe and shoot the Boss on a long range, as well as keeping you safe from small Zeds that might come to attack you. Keep in mind that Berserkers can’t get grabbed by clots, so don’t focus on them too much, except your life’s depending on killing them.

Suggested Build

  • Skirmisher: Move 20% faster and sprint 25% faster when using a perk melee weapon. You also regenerate 2 points of health every second
  • Butcher: Attack 20% faster and do 25% more damage with perk melee weapons
  • Parry: Parrying an attack with a perk melee weapon reduces incoming damage by 40% and increases both melee attack speed 5% and melee damage 35% for 10 seconds.
  • Massacre: Light attacks with Berserker melee weapons do 30% more damage and are 5% faster.
  • ZED TIME – Spartan: During Zed time, you attack with perk weapons and move in real-time.

Commando

Commando Perk Overview, Killing Floor 2
Commando Perk Overview, Killing Floor 2

Target Priority

High

  • Alpha Clot
  • Slasher
  • Crawler
  • Elite Crawler
  • Stalker
  • Gorefast
  • Gorefiend

Medium

  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper
  • Bloat
  • Siren
  • Husk

Low

  • Scrake
  • Fleshpound
  • Quarter Pound

Commandos are mid-ranged soldiers with assault rifles and strong grenades that clean all the mess that small Zeds make during a bloodthirsty battle. While on a first look anyone would say that he is pretty similar to SWAT, he has many unique abilities that make him much more different, even though both are trash-killing perks.

Commando has the ability to see a health bar over Zeds’ heads, which helps him finish off fatal wounded Zeds and see Crawlers easier due to this health bar over their heads. Keep in mind that Zeds don’s spawn with the health bar visible, they have to take even a slight amount of damage first.

Also he can passively reveal Stalkers, and that’s why Stalkers are his top-trash-priority. The best ability that a Commando has, in my opinion, is that while he shoots headshots and kill Zeds during Zed Time, Zed Time can extend up to 6 seconds. This way you can help 25 level allies, to take advantage of this time bonus and use their Zed Time abilities for a brief longer.

The most important thing for a Commando is to misjudge his strength and try to take down big Zeds. Fleshpounds need a good amount of grenades and Scrakes need a coule rounds of ammunition. If the health bar shows that some Scrake or Fleshpound is fatal wounded, then go for it. Otherwise, you should keep your ammo to keep trash away from camped Sharpshooters and Demolitionists.

Weapon Strategy

Tommy Gun and SCAR-H Assault Rifle is the best weapon build to deal with any situation. I usually keep both weapons on single-fire mode, mostly because extending the Zed Time isn’t easy when I use default full-auto mode. For the extend of Zed Time you need to kill zeds with one headshot and then wait a while before execute the next one, so it’s easier to achieve that with single-fire.

If it is possible, try to use or swap to SCAR-H Assault Rifle when the Zed Time comes. You can one-shot in the head the weakest Zeds with Tommy Gun, but SCAR-H Assault Rifle needs a couple of headshots for killing a bit stronger Zeds like Sirens or Bloats. If you were trying to kill Sirens or Bloats and extend Zed Time by using Tommy Gun, it would not be successful, because Tommy Gun has weaker penetration.

During the Boss waves, take care of the trash Zeds that spawn, and focus on extending Zed Time. There’s no use to waste ammunition on Boss. Focus on keeping you Sharpshooter and Demolitionist safe to do the hard job.

Suggested Build

  • Tactical Reload: Increase reload speed with perk weapons.
  • Fallback: Increase damage with your 9mm pistol and knife 110%, and increase weapon switching speed 50%.
  • Prepared: Carry up to 20% more ammo for each perk weapon.
  • Hollow Point Rounds: Increase damage of perk weapons 25% and reduce their recoil 50%.
  • ZED TIME – Tactician: During ZED Time, you reload perk weapons at full speed and switch perk weapons twice as fast.

Support

Support Perk Overview, Killing Floor 2
Support Perk Overview, Killing Floor 2

Target Priority

High

  • Gorefast
  • Gorefiend
  • Rioter
  • Siren
  • Husk

Medium

  • Alpha Clot
  • Slasher
  • Scrake
  • Fleshpound
  • Quarter Pound
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper

Low

  • Crawler
  • Elite Crawler
  • Stalker
  • Bloat

Supports are armed with high-penetration shotguns, which allows them to line-shot big group of Zeds. They have increased weight and ammo capacity, and they are considered  as a top priority in team compositions, as he can provide ammunition to allies once per round.

Their ability to weld doors faster and repair them makes them the leader of positioning in a team, as he should be the one who decides which doors need to be weld. Welding doors can lead either to a massive Zed killing either to a big team massacre. A Support should be really careful of the doors he is welding, as he has to always secure that there are exits available. Don’t weld doors without having a good knowledge of the map you’re playing on.

Supports should measure their priorities due to the situations. When the trash-Zeds overwhelm the place, it’s a damn wrong choice to chase down and rage that Scrake. Better focus getting Zeds lined up for multiple headshots, and keep the area clean from Rioters that enrage Zeds or that death-threat-spinning Gorefiend.

Keep focusing on holding Zeds back to enter your territory by fighting in front of doors and corridors. If a passage you are holding gets out of hand, just weld it quickly and prepare your explosives. Demolitionists can also add their specialty on trapping the doors, so they can insta-explode when the door breaks down.

Weapon Strategy

Support’s should first consider to buy a Double-barreled Boomstick for starters, as it can surely so the job on either large or small/medium Zeds. Therefore, you should focus on getting an AA-12 Auto Shotgun, and starting to use Double-barreled Boomstick, as a secondary weapon, and start to feel more confident on fighting with large zeds with the auto-shotgun.

I always use the AA-12 Auto Shotgun on semi-auto fire to save as many bullets as i can, and mostly because i find it more effective to aim properly. As for the Double-barreled Boomstick, i only use single shots, except situations as if a lined up group of Zeds spawns, or if auto-shotgun is on limited/no ammo and a large Zed needs to get down.

On Boss waves you should measure what the team would need. If you think you should take a more supportive role you should stay with your weapons, and also buy a HZ12 Multi-Action, to keep the heal persistent. If you judge that more damage is needed, i would suggest RPG-7. On both situation you need to strongly focus on Boss, as long as your team has at least on trash-killer.

Suggested Build

  • Tactical Reload: Increase reload speed with perk weapons.
  • Salvo: Increase damage of perk weapons 30%.
  • Armor Piercing Shot: Greatly increase penetration with perk weapons.
  • Resupply Pack: Your teammates can get 30% ammo and 20% armor restored by interacting with you once per wave. You can carry up to 20% more ammo for perk weapons.
  • ZED TIME – Penetrator: During ZED Time, your perk weapons penetrate through any targets they hit.

Field Medic

Field Medic Perk Overview, Killing Floor 2
Field Medic Perk Overview, Killing Floor 2

Target Priority

High

  • Alpha Clot
  • Slasher
  • Crawler
  • Elite Crawler
  • Stalker

Medium

  • Gorefast
  • Gorefiend
  • Rioter
  • Bloat

Low

  • Siren
  • Husk
  • Scrake
  • Fleshpound
  • Quarter Pound
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper

Field Medic keeps your team alive with healing darts, that come out of his mid-ranged weapons, and also by using AOE healing grenades. The medicine that keeps his allies alive, poisons Zeds, causing them to flee away for a while.

Depending on the build, he can be super resistant to damage, either boost your allies with increased movement speed, damage resistance and damage done to Zeds. The “damage-resistance” build is not suggested for a multiplayer game though, except if there’s another healer around to focus on allies.

This perk should be positioned in back lines, so he can have big field of view and be able to help when its needed. His weapons are strong enough to kill small Zeds, and you can give a bit of your attention on trash-killing.

It’s strongly suggested not to try and kill big Zeds by yourself. None of his weapons are strong enough to deal with a Fleshpound or a Scrake. Focusing healing the Berserker or the Demolitionist of the team. It is far more effective against the deadliest Zeds, than trying to eliminate them with the firepower medic’s weapon have.

Weapon Strategy

A med should prioritize to buy HMTech-501 Grenade Rifle as primary and a HMTech-301 Shotgun or a Hemogoblin as seconary weapon. The choice between HMTech-301 Shotgun and the Hemogoblin depends clearly on your play-style.

HMTech-501 Grenade Rifle, is pretty similar to the classic HMTech-401 Assault Rifle, except that it does not fire healing darts but instead, it launches a limited number of healing grenades. It is long ranged and has no alternate fire mode.

HMTech-301 Shotgun is the perfext choice to deal with Gorefiend and other kind of medium-power Zeds. Mostly affective on head and legs, and as all of med’s weaponry, it has no alternate fire mode.

Hemogoblin is a medium damage, slow firing hitscan ballistic rifle that debuffs enemies by applying damage over time and unique bleeding incapacitation. It’s useful for helping allies finish off enraged Scrakes or Fleshpounds, but as said, it does not inflict enough damage to kill a Zed, without wasting more-than-needed ammo.

On Boss waves, I suggest going for the HMTech-501 Grenade Rifle and the Hemogoblin. Focus mostly on healing and getting boss wounded, by using the Hemogoblin.

Suggested Build

  • Symbiotic Health: Increase total Health 25%. Healing teammates will heal you 10% of your total Health.
  • Adrenaline Shot: Shooting teammates with healing darts increases their movement speed 10% for 5 seconds. This can stack up to a 30% bonus.
  • Focus Injection: Shooting teammates with healing darts increases the damage they inflict 5% for 5 seconds. This can stack up to a 20% bonus.
  • Coagulant Booster: Shooting teammates with healing darts increases their damage resistance 10% for 5 seconds. This can stack up to a 30% bonus.
  • ZED TIME  – Airborne Agent: You release a healing gas During ZED Time, healing teammates close by.

Demolitionist

Demolitionist Perk Overview, Killing Floor 2
Demolitionist Perk Overview, Killing Floor 2

Target Priority

High

  • Scrake
  • Fleshpound
  • Quarter Pound
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper

Medium

  • Alpha CLot
  • Slasher
  • Rioter
  • Gorefiend
  • Crawler
  • Elite Crawler
  • Gorefast

Low

  • Stalker
  • Bloat
  • Siren

Armed with a variety of explosive devices, Demolitionist, can melt a big number of zeds, either a killing Fleshpounds and Scrakes, with just a rocket! He provides grenades to his allies, keeping them armed and ready for any situation! Their welding gun can enable explosive traps to the doors, eliminating any Zed that might manage to get through the door! So team uo with the support of the team so he can protect you on close combat, and door-trap Zeds together!

Depending the situation, Demolitionists can focus either on trash-killing, either on killing larger Zeds. Whatever you decide to focus on, Demo’s abilities can get his AOE damage higher, so you can effectively demolish groups of Zeds, either increase your damage done in critical areas, so you can focus on Scrakes, Fleshpounds etc.

The best positioning for him is by the side of the Field Medic, and his first priorities are obviously Fleshpounds and Quarter Pounds, as they are very vulnerable to explosives, and one-(head)shot Scrakes! Avoid Sirens as they can destroy explosives, and Bloats, as they take a while to explode.

On Boss waves, give all you’ve got on Boss and only! Demo’s explosive damage is on the top-ranked in Killing Floor 2, and it’s a shame to get wasted on Clots etc. Always keep a safe distance and get a good field of view.

Weapon Strategy

Weapon strategy for this perk is better to be adjustable to the lacks of the team. If your team lacks trash-killers, better get the M79 Grenade Launcher or the M32 Grenade Launcher, for ranged attacks to group of Zeds incoming, and also the M16 M203 Assault Rifle, so you can have a shorter range solution.

Keep in mind though, that on late waves your explosive damage will be needed. Besides, Demo is not originally a trash killer. When things start to get tight, keep your M79 Grenade Launcher as a secondary weapon, and grab yourself an RPG-7 to get rid of larger Zeds. You can keep these weapons for Boss wave as well.

Suggested Built

  • Bombardier: Increase damage of explosive perk weapons by 25%.
  • High Impact Rounds: Increase direct hit damage with explosive weapons by 25%.
  • Fragmentation Rounds:  Increase area of effect of explosive perk weapons by 50%, but decrease damage by 30%.
  • Concussive Rounds: Increase reaction, stun, stumble, and knockdown power of perk weapons by 50%.
  • ZED TIME – Destroyer of Worlds: During ZED Time, your explosives dish out massive radiation damage, poisoning ZEDs, and explosive rounds will explode at any range

Firebug

Firebug Perk Overview, Killing Floor 2
Firebug Perk Overview, Killing Floor 2

Target Priority (Default)

High

  • Alpha Clot
  • Slasher
  • Crawler
  • Elite Crawler
  • Stalker
  • Gorefast
  • Gorefiend
  • Rioter

Medium

  • Bloat
  • Siren
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper

Low

  • Scrake
  • Fleshpound
  • Quarter Pound
  • Husk

Target Priority (Microwave Gun)

High

  • Siren
  • Husk
  • Scrake
  • Fleshpound
  • Quarter Pound
  • Rioter
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper

Medium

  • Crawler
  • Elite Crawler
  • Gorefiend
  • Gorefast
  • Bloat

Low

  • Alpha Clot
  • Slasher
  • Stalker

Firebugs are the number one choice on small maps, where you need a very fast and effective trash-killer. All his weapons and his grenades, are spitting fire, burning to the bone small and vulnerable zeds that attack in large groups, threatening camped teammates. Recently, the perk got some new weapons that are very effective against large Zeds as well, making him a life savior of all times and situations.

Firebug’s position is in the front line, helping the Berserker keep back all the large groups of Zeds. Microwave Gun, which is a perk weapon, also helps eliminate E.D.A.Rs and any other specimen with metal on its body, like Husks, Fleshpounds etc., much easier and faster than any other weapon. If you are equipped with anything else than a Microwave Gun, don’t try to deal with large Zeds, as you are only going to rage them.

Weapon Strategy

Firebug used to be only trash-killer, but his knew weapons came to restore his bad reputation on “just raging” large Zeds. But still, he is far more effective in burning down small Zeds. So prioritize weapons wisely, by picking Dual Spitfires or Flamethrower for the starters. Aiming the floor is always more effective, and it doesn’t blind your allies.

When thing start to get nasty, buy the powerful Microwave Gun, to deal with metal-armored Zeds, either large or small. Use the alt-fire on close range and focus large Zeds with it. You can use the same weaponry for the boss waves. Again, focus on trash-killing more than on Boss.

Suggested Built

  • Bring the Heat: Increase damage with fire weapons 35%.
  • Ground Fire: Ground fires do massively increased damage and reduce ZED movement speed.
  • ZED Shrapnel: ZEDs you kill with fire have a 20% chance to explode, damaging and knocking down nearby ZEDs.
  • Heat Wave: ZED struck at point blank range with fire will stumble back.
  • ZED TIME – Pyromaniac: During ZED Time, you attack with perk weapons in close to real time and never run out of ammo.

Gunslinger

Gunslinger Perk Overview, Killing Floor 2
Gunslinger Perk Overview, Killing Floor 2

Target Priority

High

  • Siren
  • Husk
  • Scrake
  • Fleshpound
  • Quarter Pound

Medium

  • Alpha CLot
  • Bloat
  • Slasher
  • Rioter
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper
  • Gorefiend
  • Gorefast

Low

  • Crawler
  • Elite Crawlers
  • Stalker

A Gunslinger can be considered as a close range Sharpshooter, on a higher fire rate. He is the kiting material of the team, lining up the Zeds, head-shooting them one after the other, cleaning the battlefield dorm the most dangerous Zeds. He has a good amount of ammunition, except the 9mm, which recently got nerfed. Better use your ammo wiselyt, as if you get yourself to have fun with Clots and Slashers, you won’t have enough ammunition to deal with something more deadly and enraged that might get you off guard.

Gunslinger is the fastest perk, which makes him the no.1 enemy of an enraged Scrake, Fleshpound, or even Bossses. His weapon shots are mostly effective when you aim for the head, otherwise you will be left with no ammo before the wave comes to an end. His grenades stun Zeds for a brief time, giving you the space to reload or to escape from a harsh situation, and start to line ’em up again.

He is mostly in the frontlines, lining up in the zeds, so he can achieve multiple headshots, and helping Demolitionists and Sharpshooters to have a clear view of their shots. Even if he is effective for almost all Zeds, and as we said, his ammunition capacity is pretty high, a Gunslinger must keep his bullets for harsh situations. Don’t bother with Crawlers, no matter how good of an aimer you are!

Sharpshooter

Sharpshooter Perk Overview, Killing Floor 2
Sharpshooter Perk Overview, Killing Floor 2

Target Priority

High

  • Husk
  • Scrake
  • Fleshpound
  • Quarter Pound

Medium

  • Bloat
  • Siren
  • Rioter
  • Gorefiend
  • Gorefast

Low

  • Crawler
  • Elite Crawlers
  • Alpha Clot
  • Slasher
  • Stalker

Sharpshooter is the sniper-class in Killing Floor 2, making Husks explode and Scrakes running their last steps around decapitated, with just one shot! Sharpshooter’s weapons have massive penetration and no large Zed can resist a good headshot, but still, it’s all about positioning that gives him the calmness that a headshot with a sniper needs.

Sharpshooter should always stay away from the Zed’s spawn points, and close to his Field Medic. He shouldn’t be bothered by the trash-Zeds, but if they come for him, a freezing grenade is enough to let him escape safe and sound! Stay in a good distance of spawn points, just breath, and one-shot big Zeds from afar.

Survivalist

Survivalist Perk Overview, Killing Floor 2
Survivalist Perk Overview, Killing Floor 2

Survivalist, as his perk name already is saying it all, is a filler-perk, ready to adapt in any situation needed. His explosives can be either healing grenades either molotovs, and he can effectively use all of the in-game weapons. He can basically choose his priority targets, depending on what the team lacks.

Survivalists can either be with katana’s in the front lines, either explode Zeds from afar, Survivalist is all about understanding your team’s weaknesses, and adapt your weapon power as it’s needed. Survivalist needs to have a perfecto knowledge how to use all the weapons, so it’s not really a perk that is suggested for beginners.

Swat

SWAT Perk Overview, Killing Floor 2
SWAT Perk Overview, Killing Floor 2

Target Priority

High

  • Alpha Clot
  • Slasher
  • Crawler
  • Elite Crawler

Medium

  • Stalker
  • Rioter
  • Scrake
  • Gorefiend
  • Gorefast

Low

  • Fleshpound
  • Quarter Pound
  • E.D.A.R. Blaster
  • E.D.A.R. Bomber
  • E.D.A.R. Trapper
  • Bloat
  • Husk

Swat has low recoil and rapid fire sub-machine guns and grenades that stun Zeds, making him one of the most effective trash-killers, along with Firebug and Commando. His weapons are close-combat designed, so he can simply erase groups of Crawlers or Clots, and he can be safe by extra armor, or movement speed, depending the player choice.

Keep in mind that even if SWAT is very effective with a grenade-headshot combo against a Scrake, he needs a noticeable amount of ammunition to deal with him. Use your grenades to save allies and finish off when needed, and keep focusing on the trash-killing. Any other way you try to use him, its less effective, at least team-wise.

Worked in nightclubs and music events for years. Finally enjoying gaming by exploring anything fun to play. Mostly FPS lover and believes in the emo revival.

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