There are 43 achievements within the Steam version.
| Picture
| Name | Description
|
| Pub Crawl | Win a Long Game on West London on Normal Difficulty
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| Lord of the Manor | Win a Long Game on Manor on Normal Difficulty
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| Chicken Farmer | Win a Long Game on Farm on Normal Difficulty
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| The Boss | Win a Long Game on Offices on Normal Difficulty.
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| Lab Cleaner | Win a Long Gmae on Biotics Lab on Normal Diffiuclty
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| The Long War | Complete a Long Game on all 5 Core Maps on Normal Difficulty.
|
| Hard Pub Crawl | Win a Long Game on West London on Hard Difficulty
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| Duke of the Manor | Win a Long Game on Manor on Hard Difficulty
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| Cattle Farmer | Win a Long Game on Farm on Hard Difficulty
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| Hard Boss | Win a Long Game on Offices on Hard Difficulty.
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| Lab Assistant | Win a Long Gmae on Biotics Lab on Hard Diffiuclty
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| The Hard War | Complete a Long Game on all 5 Core Maps on Hard Difficulty.
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| Suicidal Pub Crawl | Win a Long Game on West London on Suicidal Difficulty
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| Emperor of the Manor | Win a Long Game on Manor on Suicidal Difficulty
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| Alligator Farmer | Win a Long Game on Farm on Suicidal Difficulty
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| Mad Boss | Win a Long Game on Offices on Suicidal Difficulty.
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| Lab Professor | Win a Long Gmae on Biotics Lab on Suicidal Diffiuclty
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| The Completely Suicidal War | Complete a Long Game on all 5 Core Maps on Suicidal Difficulty.
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| Experimenticenticide
| Kill 100 Specimens
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| Experimentimillicide
| Kill 1000 Specimens
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| Experimentiolttacide
| Kill 10,000 Specimens
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| Facist Dietitian
| Kill 200 Bloats
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| Homer's Heroes
| Kill 100 Sirens
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| Keep Those Sneakers Off the Floor!
| Kill 20 Stalkers with Explosives
|
| Random Axe of Kindness
| Kill 15 Specimens with a Fire Axe in a single wave.
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| Bitter Irony
| Kill 2 Scrakes with a Chainsaw in a single wave.
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| Hot Cross Fun
| Kill 25 burning specimens with a crossbow.
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| Dignity for the Dead
| Kill 10 specimens feeding on dead temmates corpses.
|
| Social Outburst
| Kill 8 specimens with one grenade
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| Careful spender
| Kill 4 specimens with a single shot from a hunting shotgun
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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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| Too Close for Comfort
| Finish off a Fleshpound using a Melee attack.
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| Master Surgeon
| As a medic, kill 8 specimens using a knife in a single wave
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| It's What's Inside That Counts
| Turn 500 specimens into giblets.
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| Quarter Pounder With Ease
| Turn 5 Fleshpounds into Giblets
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| Self Medicator
| In Co-op Mode, use the syringe on yourself 100 times.
|
| Thin-Ice Pirouete
| Complete 10 Waves when the rest of your team has died.
|
| Philanthropist
| Give 1000 pounts to teammates who have 50% of your cash or less.
|
| I Like To Watch
| Acquire 5 minutes of "Zed-Time".
|
| Mr. Perky
| Get All of your Perks up to Level 5.
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| Straight Rush
| Kill the Patriarch before he has a chance to heal.
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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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| Death To The Mad Scientist
| Defeat the Patriarch on Suicidal.
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