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Perksare your standard classes in Killing Floor 3 and have a multitude of different playstyles. This guide is for beginners to the Killing Floor series and those who need a head start in building their skill set as they level. This guide will also be for Perks level 1-10 on the build level. After that point, you’ll have a firmer grasp on your Perk and what works best for you.
APerksbuild is always subject to change depending on a player’s style of play, and luckily, you may swap around your equipped skills anytime back atNightfall’sbase. By the end of this guide, you’ll have a grasp on what each Perk can do, what skills are recommended, and what each skill can do when fully leveled to build your optimal Perk when just starting.

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ACommandois your standard high-powered fighter on the ground and a main staple of Killing Floor 3.Fire Salewill ensure your Perk is well-stocked in the early rounds, allowing you to save up for the higher-tier guns by mid-game rather than late game due to the surplus of ammo. Your grenades can deal damage if you aren’t careful, so haveThink Fast!Coupled withGuardian Angel.

It will allow you to throw your grenades with less fear of self-immolation, while your Hellion will reduce damage by 15% further stacking. Lastly,Hotheadgives your Ballistic weapons a higher chance of triggering explosions, helpful when the waves become overwhelming and your team needs some well-needed relief. Hothead also deals extra Force damage that will be useful against many of the end-of-round bosses.
Recommended Skills
Skill Type
Skill Name
Level Obtained
Description
Max ammo capacity is increased by 15%. Ammo costs from the trader are reduced by 15%.
Throwables
Think Fast!
Grenades explode on impact; self-damage from grenades are reduced by 25%.
Guardian Angel
Take 15% reduced damage while Hellion is active.
Destroying an enemy’s head with a Ballistic weapon has a 20% chance to trigger an explosion, dealing 175 Force damage.
Capacity increase

Increases overall capacity.
TheFirebugs’main objective is to close off areas with fire and give strategic advantage to their teams.Firewallwill allow you to take less damage from enemies affected by your weaponry, and usingWildfirewill be safer and beneficial later on if you also takeHeat Therapy, allowing you to restore some health without wasting your limited syringes.
In earlier stages, the swarm and waves take some getting used to, so the combo ofCocktail Partywith your Molotovs andScorched Earthwill increase the fire effects caused by your weaponry with increasedPanic. As of now, no one can fully resist Panic, so taking the two will pile on the damage as the waves become more manageable and your fire is beneficial to your overall health. You may not be fully resistant to your fire spread yet, but you will be on the right path towards it in later skills.

Take 10% less damage from burning enemies.
Cocktail Party
Enemies hit by the initial Molotov explosion will Panic for 30% longer. Panic interrupts enemies, causing them to helplessly writhe in place.
Heat Therapy
Using Wildfire heals you for 25 health.
Scorched Earth
Ground fire effects caused by weapons deal 100% increased damage.
TheEngineeris your closestPerkfor a tank and disrupter in Killing Floor 3. Mastering your skills and abilities will ensure the zed can barely make large plays against you and your team. Keeping your armor up and using your tools is crucial for the engineer, and bothRepairmanandMobilizeensure your armor integrity can be repaired up to 20 per round, and your speed increase will make it harder for enemies to break your armor or stop your pace while activating yourBunkeredability.
The two abilities you will need to master to hinder bosses are yourKnockdownandStumble, both increased withMajor DamageandGrounded, utilizing yourBouncing Bettyand standard weaponry. These skills keep your survivability up and your secondary abilities up and ready to interrupt game-ending attacks along with halting waves from overwhelming your team beyond repair.

Using a tool, repairs armor integrity up to a maximum of 20 each round. Different tools repair different amounts of armor integrity.
Bouncing Betty fragmentation component’s explosion applies 120 Knockdown affliction. Knockdown interrupts enemies, causing them to fall down.
Movement speed while Bunkered is increased to 115% base movement speed.
Major Damage
Deal 10% increased weapon damage and 20% increased weapon Stumble to nearby enemies. Stumble interrupts enemies, causing them to stagger back in the opposite direction.
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Sharpshooter
TheSharpshooteris a sniper from afar, equipped with a variety of different elemental damages useful for adding pressure to enemy units.Sniperis your must-have skill for increasing your spread and decreasing your recoil, allowing you to focus on hitting headshots more effectively with proper aim while your damage steadily increases with each shot.Cold SnapandBloodsuckerwork hand in hand with your arrows and grenades, increasing the explosion radius to hit more enemies, while your arrows now heal each time they pierce an enemy.
They can work in successive combos to keep you up in a pinch before you need to resort to a syringe. Lining up your arrows to pierce through rows in waves works best. Lastly,Big Shot, this is your skill to hit the weak spots in the enemy zed armor for both the bosses and enemies that have armor on their flesh, causing enemies to go down faster to your team once their weak spots are further exposed by your shots.
While crouching, weapon spread and recoil per shot are reduced by 10%, spread decay and recoil recovery rate are increased by 10%, and weapon damage is increased by 10%.
Cryo-Grenade explosion radius is increased by 25%.
Bloodsucker
Heal for 3 health whenever the arrow pierces an enemy up to 8 times per use.
Weapon damage to enemy weak spots while aiming down sights is increased by 10%.
TheNinjais one of the harder to masterPerks, using up-close melee and grappling abilities to pull bigger enemies off of lower-health teammates while slicing through waves of enemies in well-aimed strikes.Kenkoraises your maximum health and encourages your use of parry.Parryis the most used trait of a Ninja. This skill rewards your timing and restores your health over five seconds.
Mastering a parry with Kenko will ensure you rarely need a medic’s help or use your syringes.Swift Currentis needed for Caltrop builds. You no longer take damage from your caltrop and instead benefit from an increase in your speed when you get hit by its explosions. Pairing with the latter skill,Kaishakuningives you the added weapon damage for headshots.Shinobi Shozokuis useful when you grapple onto enemies, restoring your armor integrity by 5 with each use.
Maximum health is increased by 20. Performing a perfect parry will restore 10 health over 5 seconds. Additional perfect parries refresh this duration.
Swift Current
Caltrop explosions no longer deal self-damage. Getting hit by caltrop explosions now increases movement speed by 10% in 5 seconds.
Shinobi Shozoku
Grappling an enemy repairs 5 armor integrity.
Kaishakunin
Deal 10% increased weapon damage when hitting enemies in the head.
TheMedicis the backbone of the team. Keeping them healed and alive is the primary job of thisPerk,and when done right, fewer games will end in team defeats. YourBiotic Grenadeheals your team while damaging the enemy. TakingCull the Weakwill allow you to get rid of the smaller crawling zeds and can be used in a pinch with Healing Hands, giving you quick cover to get to a downed ally and revive them before another stronger zed can kill them.
Health Benefitswill give yourSanctumthe added benefit of healing allies for 30 health even after its destruction, keeping them healed while in the middle of harder boss fights.Stronger Prescriptionincreases your overall healing ability for all your other skills by 20%. Grenades, sanctum, and secondary fire will benefit, and your team will make it through to the final rounds easier each time.
Healing Hands
Ally revivals are 50% faster. Reviving allies heals them for an additional 10 health.
Cull the Weak
Biotic Grenade gas cloud deals 60% increased damage to small enemies.
Health Benefits
When Sanctum expires, it heals all allies within its radius for 30 health.
Stronger Prescription
Weapon healing is increased by 20%.
Killing Floor 3
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