| Perk | How to unlock
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| Level 5 Berserker | Deal 3,500,000 damage with melee weapons.
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| Level 5 Commando | Kill 4,000 stalkers with the Bullpup, and deal 3,500,000 damage with Bullpup.
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| Level 5 Field Medic | Heal 25,000 HP on your teammates.
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| Level 5 Firebug | Deal 3,500,000 damage with the Flamethrower.
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| Level 5 Sharpshooter | Get 5,500 headshot kills with the crossbow, handcannon, or rifle.
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| Level 5 Support Specialist | Deal 3.5m damage with shotguns, and weld 250,000 door points.
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| Achievement | How to unlock
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|---|
| Alligator Farmer | Win a Long Game on Farm on Suicidal Difficulty.
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| Bitter Irony | Kill 2 Scrakes with a Chainsaw in a Single Wave.
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| Careful Spender | Kill 4 Specimens with a Single Shot from a Hunting Shotgun.
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| Cattle Farmer | Win a Long Game on Farm on Hard Difficulty.
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| Chicken Farmer | Win a Long Game on Farm on Normal Difficulty.
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| Death To The Mad Scientist | Defeat the Patriarch on Suicidal.
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| Dignity for the Dead | Kill 10 Specimens Feeding on Dead Teammates Corpses.
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| Duke of the Manor | Win a Long Game on Manor on Hard Difficulty.
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| Emperor of the Manor | Win a Long Game on Manor on Suicidal Difficulty.
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| Experimenticenticide | Kill 100 Specimens.
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| Experimentilottacide | Kill 10,000 Specimens.
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| Experimentimillicide | Kill 1,000 Specimens.
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| Fascist Dietitian | Kill 200 Bloats.
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| Hard Boss | Win a Long Game on Offices on Hard Difficulty.
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| Hard Pub Crawl | Win a Long Game on West London on Hard Difficulty.
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| Homer's Heroes | Kill 100 Sirens.
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| Hot Cross Fun | Kill 25 Burning Specimens with a Crossbow.
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| I Like To Watch | Acquire 5 Minutes of "Zed-Time".
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| It's Not Easy Being Greasy | Cause a Specimen to Die by Luring them into Bloat Acid.
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| It's What's Inside That Counts | Turn 500 Specimens into Giblets.
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| Keep Those Sneakers Off the Floor! | Kill 20 Stalkers with Explosives.
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| Lab Assistant | Win a Long Game on Biotics Lab on Hard Difficulty.
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| Lab Cleaner | Win a Long Game on Biotics Lab on Normal Difficulty.
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| Lab Professor | Win a Long Game on Biotics Lab on Suicidal Difficulty.
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| Lord of the Manor | Win a Long Game on Manor on Normal Difficulty.
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| Mad Boss | Win a Long Game on Offices on Suicidal Difficulty.
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| Master Surgeon | As a Medic, Kill 8 Specimens using a Knife in a Single Wave.
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| Mr. Perky | Get All of your Perks up to Level 5.
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| Philanthropist | Give 1,000 Pounds to Teammates who have 50% of Your Cash or Less.
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| Pub Crawl | Win a Long Game on West London on Normal Difficulty.
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| Quarter Pounder With Ease | Turn 5 Fleshpounds into Giblets.
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| Random Axe of Kindness | Kill 15 Specimens with a Fire Axe in a Single Wave.
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| Self Medicater | In Co-op Mode, Use Syringe on Yourself 100 Times.
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| Social Outburst | Kill 8 Specimens with One Grenade.
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| Straight Rush | Kill the Patriarch Before he has a Chance to Heal.
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| Suicidal Pub Crawl | Win a Long Game on West London on Suicidal Difficulty.
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| The Boss | Win a Long Game on Offices on Normal Difficulty.
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| The Completely Suicidal War | Complete a Long Game on all 5 Core Maps on Suicidal Difficulty.
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| The Hard War | Complete a Long Game on all 5 Core Maps on Hard Difficulty.
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| The L.A.W. That Broke The Camel's Back | Deliver the Killing Blow to the Patriarch with a L.A.W. Rocket.
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| The Long War | Complete a Long Game on all 5 Core Maps on Normal Difficulty.
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| Thin-Ice Pirouette | Complete 10 Waves when the Rest of your Team has Died.
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| Too Close For Comfort | Finish off a Fleshpound using a Melee Attack.
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