Killing Floor achievements
10,241
(2,850)

Killing Floor

3.7 out of 5 from 180 votes

There are 285 Killing Floor achievements worth 10,241

6,670 tracked gamers have this game, 121 have completed it (1.81%)

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Killing Floor Achievements

Pub Crawl18

Win a Long Game on West London on Normal Difficulty.

Unlocked by 1,999 tracked gamers (30% - TSA Ratio = 1.82)  

Lord of the Manor22

Win a Long Game on Manor on Normal Difficulty.

Unlocked by 1,427 tracked gamers (21% - TSA Ratio = 2.16)  

Lab Cleaner20

Win a Long Game on Biotics Lab on Normal Difficulty.

Unlocked by 1,641 tracked gamers (24% - TSA Ratio = 2.01)  

Chicken Farmer22

Win a Long Game on Farm on Normal Difficulty.

Unlocked by 1,377 tracked gamers (21% - TSA Ratio = 2.20)  

The Boss22

Win a Long Game on Offices on Normal Difficulty.

Unlocked by 1,337 tracked gamers (20% - TSA Ratio = 2.23)  

The Long War27

Complete a Long Game on all 5 Core Maps on Normal Difficulty.

Unlocked by 945 tracked gamers (14% - TSA Ratio = 2.66)  

Experimenticenticide11

Kill 100 Specimens.

Unlocked by 5,908 tracked gamers (88% - TSA Ratio = 1.06)  

Fascist Dietitian20

Kill 200 Bloats.

Unlocked by 1,670 tracked gamers (25% - TSA Ratio = 2.00)  

Homer's Heroes18

Kill 100 Sirens.

Unlocked by 2,068 tracked gamers (31% - TSA Ratio = 1.79)  

Keep Those Sneakers Off the Floor!20

Kill 20 Stalkers with Explosives.

Unlocked by 1,641 tracked gamers (24% - TSA Ratio = 2.01)  

Random Axe of Kindness17

Kill 15 Specimens with a Fire Axe in a Single Wave.

Unlocked by 2,390 tracked gamers (36% - TSA Ratio = 1.67)  

Bitter Irony26

Kill 2 Scrakes with a Chainsaw in a Single Wave.

Unlocked by 1,025 tracked gamers (15% - TSA Ratio = 2.55)  

Hot Cross Fun29

Kill 25 Burning Specimens with a Crossbow.

Unlocked by 802 tracked gamers (12% - TSA Ratio = 2.88)  

Dignity for the Dead46

Kill 10 Specimens Feeding on Dead Teammates Corpses.

Unlocked by 324 tracked gamers (5% - TSA Ratio = 4.55)  

Social Outburst12

Kill 8 Specimens with One Grenade.

Unlocked by 4,425 tracked gamers (66% - TSA Ratio = 1.22)  

Careful Spender19

Kill 4 Specimens with a Single Shot from a Hunting Shotgun.

Unlocked by 1,839 tracked gamers (27% - TSA Ratio = 1.90)  

It's Not Easy Being Greasy11

Cause a Specimen to Die by Luring them into Bloat Acid.

Unlocked by 5,744 tracked gamers (86% - TSA Ratio = 1.07)  

Too Close For Comfort17

Finish off a Fleshpound using a Melee Attack.

Unlocked by 2,227 tracked gamers (33% - TSA Ratio = 1.73)  

Master Surgeon22

As a Medic, Kill 8 Specimens using a Knife in a Single Wave.

Unlocked by 1,401 tracked gamers (21% - TSA Ratio = 2.18)  

It's What's Inside That Counts21

Turn 500 Specimens into Giblets.

Unlocked by 1,494 tracked gamers (22% - TSA Ratio = 2.11)  

Quarter Pounder With Ease20

Turn 5 Fleshpounds into Giblets.

Unlocked by 1,700 tracked gamers (25% - TSA Ratio = 1.98)  

Self Medicator16

In Co-op Mode, Use Syringe on Yourself 100 Times.

Unlocked by 2,761 tracked gamers (41% - TSA Ratio = 1.55)  

Thin-Ice Pirouette26

Complete 10 Waves when the Rest of your Team has Died.

Unlocked by 957 tracked gamers (14% - TSA Ratio = 2.64)  

Philanthropist14

Give 1,000 Pounds to Teammates who have 50% of Your Cash or Less.

Unlocked by 3,213 tracked gamers (48% - TSA Ratio = 1.44)  

I Like To Watch16

Aquire 5 Minutes of "Zed-Time".

Unlocked by 2,702 tracked gamers (40% - TSA Ratio = 1.57)  

Mr. Perky38

Get All of your Perks up to Level 5.

Unlocked by 456 tracked gamers (7% - TSA Ratio = 3.83)  

Straight Rush13

Kill the Patriarch Before he has a Chance to Heal.

Unlocked by 3,718 tracked gamers (55% - TSA Ratio = 1.34)  

The L.A.W. That Broke The Camel's Back20

Deliver the Killing Blow to the Patriarch with a L.A.W. Rocket.

Unlocked by 1,603 tracked gamers (24% - TSA Ratio = 2.04)  

Death To The Mad Scientist30

Defeat the Patriarch on Suicidal.

Unlocked by 760 tracked gamers (11% - TSA Ratio = 2.96)  

Experimentimillicide14

Kill 1,000 Specimens.

Unlocked by 3,641 tracked gamers (54% - TSA Ratio = 1.35)  

Experimentilottacide22

Kill 10,000 Specimens.

Unlocked by 1,416 tracked gamers (21% - TSA Ratio = 2.17)  

Hard Pub Crawl28

Win a Long Game on West London on Hard Difficulty.

Unlocked by 850 tracked gamers (13% - TSA Ratio = 2.80)  

Duke of the Manor32

Win a Long Game on Manor on Hard Difficulty.

Unlocked by 669 tracked gamers (10% - TSA Ratio = 3.16)  

Cattle Farmer33

Win a Long Game on Farm on Hard Difficulty.

Unlocked by 611 tracked gamers (9% - TSA Ratio = 3.30)  

Hard Boss34

Win a Long Game on Offices on Hard Difficulty.

Unlocked by 589 tracked gamers (9% - TSA Ratio = 3.37)  

Lab Assistant29

Win a Long Game on Biotics Lab on Hard Difficulty.

Unlocked by 784 tracked gamers (12% - TSA Ratio = 2.92)  

The Hard War38

Complete a Long Game on all 5 Core Maps on Hard Difficulty.

Unlocked by 475 tracked gamers (7% - TSA Ratio = 3.75)  

Suicidal Pub Crawl42

Win a Long Game on West London on Suicidal Difficulty.

Unlocked by 384 tracked gamers (6% - TSA Ratio = 4.17)  

Emperor of the Manor44

Win a Long Game on Manor on Suicidal Difficulty.

Unlocked by 346 tracked gamers (5% - TSA Ratio = 4.40)  

Alligator Farmer44

Win a Long Game on Farm on Suicidal Difficulty.

Unlocked by 341 tracked gamers (5% - TSA Ratio = 4.44)  

Mad Boss45

Win a Long Game on Offices on Suicidal Difficulty.

Unlocked by 336 tracked gamers (5% - TSA Ratio = 4.47)  

Lab Professor42

Win a Long Game on Biotics Lab on Suicidal Difficulty.

Unlocked by 380 tracked gamers (6% - TSA Ratio = 4.21)  

The Completely Suicidal War48

Complete a Long Game on all 5 Core Maps on Suicidal Difficulty.

Unlocked by 293 tracked gamers (4% - TSA Ratio = 4.78)  

Tin Man27

Win a Long Game on Foundry, on Normal Difficulty.

Unlocked by 926 tracked gamers (14% - TSA Ratio = 2.68)  

Steel Worker36

Win a Long Game on Foundry, on Hard Difficulty.

Unlocked by 527 tracked gamers (8% - TSA Ratio = 3.56)  

Man of Steel46

Win a Long Game on Foundry, on Suicidal Difficulty.

Unlocked by 318 tracked gamers (5% - TSA Ratio = 4.60)  

A Bit Barmy27

Win a Long Game on Bedlam, on Normal Difficulty.

Unlocked by 900 tracked gamers (13% - TSA Ratio = 2.72)  

Gone Mental33

Win a Long Game on Bedlam, on Hard Difficulty.

Unlocked by 610 tracked gamers (9% - TSA Ratio = 3.31)  

Complete Barking47

Win a Long Game on Bedlam, on Suicidal Difficulty.

Unlocked by 304 tracked gamers (5% - TSA Ratio = 4.70)  

Squirrel King of the Dark Forest28

Win a Long Game on Wyre, on Normal Difficulty.

Unlocked by 857 tracked gamers (13% - TSA Ratio = 2.79)  

Raccoon King of the Dark Forest37

Win a Long Game on Wyre, on Hard Difficulty.

Unlocked by 484 tracked gamers (7% - TSA Ratio = 3.72)  

Bear King of the Dark Forest48

Win a Long Game on Wyre, on Suicidal Difficulty.

Unlocked by 296 tracked gamers (4% - TSA Ratio = 4.76)  

Long, Hot Summer32

Complete a Long Game on all 3 Summer 2009 maps on Normal Difficulty.

Unlocked by 644 tracked gamers (10% - TSA Ratio = 3.22)  

Summer of 200940

Complete a Long Game on all 3 Summer 2009 maps on Hard Difficulty.

Unlocked by 417 tracked gamers (6% - TSA Ratio = 4.01)  

And Back to School50

Complete a Long Game on all 3 Summer 2009 maps on Suicidal Difficulty.

Unlocked by 272 tracked gamers (4% - TSA Ratio = 4.97)  

Explosive Personality39

As Demolitions, kill 1000 Specimens with the Pipebomb.

Unlocked by 443 tracked gamers (7% - TSA Ratio = 3.88)  

Flaming Hell, That was Close20

As Firebug, kill the Husk with the Flamethrower before he hurts anyone.

Unlocked by 1,722 tracked gamers (26% - TSA Ratio = 1.97)  

Merry Men28

Kill the Patriarch when everyone is ONLY using Crossbows.

Unlocked by 841 tracked gamers (13% - TSA Ratio = 2.81)  

Blooper Reel30

Turn 500 Zeds into Giblets using the M79.

Unlocked by 752 tracked gamers (11% - TSA Ratio = 2.98)  

Dot of Doom37

Get 25 headshots in a row with the EBR while using the Laser Sight.

Unlocked by 493 tracked gamers (7% - TSA Ratio = 3.68)  

SCAR'd29

Kill 1000 Specimens with the SCAR.

Unlocked by 774 tracked gamers (12% - TSA Ratio = 2.94)  

Healing Touch29

Heal 200 teammates with the MP7's medication dart.

Unlocked by 796 tracked gamers (12% - TSA Ratio = 2.89)  

Pound This34

Kill 100 Fleshpounds with the AA12.

Unlocked by 589 tracked gamers (9% - TSA Ratio = 3.37)  

Killer Junior28

Kill 20 crawlers in mid-air with the M79.

Unlocked by 828 tracked gamers (12% - TSA Ratio = 2.84)  

Getting Chunky21

Obliterate 10 Zeds at once with the Pipe Bomb.

Unlocked by 1,587 tracked gamers (24% - TSA Ratio = 2.05)  

Hellish Pub Crawl48

Win a Long Game on West London on Hell on Earth Difficulty.

Unlocked by 289 tracked gamers (4% - TSA Ratio = 4.82)  

Demonic King of the Manor51

Win a Long Game on Manor on Hell on Earth Difficulty.

Unlocked by 258 tracked gamers (4% - TSA Ratio = 5.10)  

Demon Farmer51

Win a Long Game on Farm on Hell on Earth Difficulty.

Unlocked by 262 tracked gamers (4% - TSA Ratio = 5.06)  

Boss from Hell51

Win a Long Game on Offices on Hell on Earth Difficulty.

Unlocked by 256 tracked gamers (4% - TSA Ratio = 5.14)  

Scientist from Hell49

Win a Long Game on Biotics Lab on Hell on Earth Difficulty.

Unlocked by 286 tracked gamers (4% - TSA Ratio = 4.85)  

Diablo Steel Man52

Win a Long Game on Foundry on Hell on Earth Difficulty.

Unlocked by 249 tracked gamers (4% - TSA Ratio = 5.20)  

Commit-ed for life52

Win a Long Game on Bedlam on Hell on Earth Difficulty.

Unlocked by 249 tracked gamers (4% - TSA Ratio = 5.20)  

Wolf King of the Dark Forest53

Win a Long Game on Wyre on Hell on Earth Difficulty.

Unlocked by 237 tracked gamers (4% - TSA Ratio = 5.33)  

Waste Disposal29

Win a Long Game on Biohazard on Normal Difficulty.

Unlocked by 777 tracked gamers (12% - TSA Ratio = 2.93)  

Waste Land38

Win a Long Game on Biohazard on Hard Difficulty.

Unlocked by 473 tracked gamers (7% - TSA Ratio = 3.77)  

Waste of Space48

Win a Long Game on Biohazard on Suicidal Difficulty.

Unlocked by 289 tracked gamers (4% - TSA Ratio = 4.82)  

Wasted51

Win a Long Game on Biohazard on Hell on Earth Difficulty.

Unlocked by 258 tracked gamers (4% - TSA Ratio = 5.12)  

Warehouse Janitor27

Win a Long Game on Crash on Normal Difficulty.

Unlocked by 920 tracked gamers (14% - TSA Ratio = 2.69)  

Warehouse Forklift Operator37

Win a Long Game on Crash on Hard Difficulty.

Unlocked by 492 tracked gamers (7% - TSA Ratio = 3.69)  

Warehouse Foreman48

Win a Long Game on Crash on Suicidal Difficulty.

Unlocked by 295 tracked gamers (4% - TSA Ratio = 4.77)  

Warehouse Manager53

Win a Long Game on Crash on Hell on Earth Difficulty.

Unlocked by 244 tracked gamers (4% - TSA Ratio = 5.26)  

Departure Gallery28

Win a Long Game on Departed on Normal Difficulty.

Unlocked by 864 tracked gamers (13% - TSA Ratio = 2.78)  

Departure Lounge37

Win a Long Game on Departed on Hard Difficulty.

Unlocked by 480 tracked gamers (7% - TSA Ratio = 3.73)  

Departure Gate47

Win a Long Game on Departed on Suicidal Difficulty.

Unlocked by 300 tracked gamers (4% - TSA Ratio = 4.73)  

Dear Departed52

Win a Long Game on Departed on Hell on Earth Difficulty.

Unlocked by 253 tracked gamers (4% - TSA Ratio = 5.16)  

Running Late30

Win a Long Game on Filth's Cross on Normal Difficulty.

Unlocked by 737 tracked gamers (11% - TSA Ratio = 3.01)  

Missed Connection39

Win a Long Game on Filth's Cross on Hard Difficulty.

Unlocked by 431 tracked gamers (6% - TSA Ratio = 3.94)  

Train Wreck50

Win a Long Game on Filth's Cross on Suicidal Difficulty.

Unlocked by 273 tracked gamers (4% - TSA Ratio = 4.96)  

Pile Up53

Win a Long Game on Filth's Cross on Hell on Earth Difficulty.

Unlocked by 236 tracked gamers (4% - TSA Ratio = 5.33)  

Gimme a Plaster!31

Win a Long Game on Hospital Horrors on Normal Difficulty.

Unlocked by 699 tracked gamers (10% - TSA Ratio = 3.09)  

That Bloody Well Hurts!41

Win a Long Game on Hospital Horrors on Hard Difficulty.

Unlocked by 396 tracked gamers (6% - TSA Ratio = 4.11)  

I'm Dying Here!50

Win a Long Game on Hospital Horrors on Suicidal Difficulty.

Unlocked by 273 tracked gamers (4% - TSA Ratio = 4.97)  

Not Dead Yet!53

Win a Long Game on Hospital Horrors on Hell on Earth Difficulty.

Unlocked by 243 tracked gamers (4% - TSA Ratio = 5.27)  

Ice Cube30

Win a Long Game on Icebreaker on Normal Difficulty.

Unlocked by 725 tracked gamers (11% - TSA Ratio = 3.03)  

Crushed Ice40

Win a Long Game on Icebreaker on Hard Difficulty.

Unlocked by 427 tracked gamers (6% - TSA Ratio = 3.96)  

Iceberg50

Win a Long Game on Icebreaker on Suicidal Difficulty.

Unlocked by 269 tracked gamers (4% - TSA Ratio = 4.99)  

Comet54

Win a Long Game on Icebreaker on Hell on Earth Difficulty.

Unlocked by 233 tracked gamers (3% - TSA Ratio = 5.37)  

Daytrip23

Win a Long Game on Mountain Pass on Normal Difficulty.

Unlocked by 1,267 tracked gamers (19% - TSA Ratio = 2.29)  

Gone Camping33

Win a Long Game on Mountain Pass on Hard Difficulty.

Unlocked by 627 tracked gamers (9% - TSA Ratio = 3.26)  

Mountaineer46

Win a Long Game on Mountain Pass on Suicidal Difficulty.

Unlocked by 315 tracked gamers (5% - TSA Ratio = 4.62)  

Park Ranger51

Win a Long Game on Mountain Pass on Hell on Earth Difficulty.

Unlocked by 263 tracked gamers (4% - TSA Ratio = 5.06)  

Neighborhood Watch30

Win a Long Game on Suburbia on Normal Difficulty.

Unlocked by 733 tracked gamers (11% - TSA Ratio = 3.02)  

Private Security40

Win a Long Game on Suburbia on Hard Difficulty.

Unlocked by 422 tracked gamers (6% - TSA Ratio = 3.98)  

Vigilante50

Win a Long Game on Suburbia on Suicidal Difficulty.

Unlocked by 266 tracked gamers (4% - TSA Ratio = 5.02)  

SWAT54

Win a Long Game on Suburbia on Hell on Earth Difficulty.

Unlocked by 233 tracked gamers (3% - TSA Ratio = 5.39)  

Slight Drip29

Win a Long Game on Waterworks on Normal Difficulty.

Unlocked by 780 tracked gamers (12% - TSA Ratio = 2.92)  

Burst Pipe39

Win a Long Game on Waterworks on Hard Difficulty.

Unlocked by 438 tracked gamers (7% - TSA Ratio = 3.91)  

Pressure Failure50

Win a Long Game on Waterworks on Suicidal Difficulty.

Unlocked by 271 tracked gamers (4% - TSA Ratio = 4.97)  

Floodgate to Hell54

Win a Long Game on Waterworks on Hell on Earth Difficulty.

Unlocked by 235 tracked gamers (4% - TSA Ratio = 5.36)  

Piece of Cake37

Complete all new map achievements on Normal Difficulty.

Unlocked by 497 tracked gamers (7% - TSA Ratio = 3.67)  

Pound Cake45

Complete all new map achievements on Hard Difficulty.

Unlocked by 331 tracked gamers (5% - TSA Ratio = 4.50)  

Fruit Cake54

Complete all new map achievements on Suicidal Difficulty.

Unlocked by 233 tracked gamers (3% - TSA Ratio = 5.37)  

Devil Cake57

Complete all new map achievements on Hell On Earth Difficulty.

Unlocked by 205 tracked gamers (3% - TSA Ratio = 5.73)  

Let Them Burn19

Get 1000 points of burn damage with the MAC-10.

Unlocked by 1,822 tracked gamers (27% - TSA Ratio = 1.91)  

Walking in A Winter Horror Land28

Win a Long Game on Santa's Evil Lair on Normal Difficulty.

Unlocked by 871 tracked gamers (13% - TSA Ratio = 2.77)  

Silent Night, Evil Night41

Win a Long Game on Santa's Evil Lair on Hard Difficulty.

Unlocked by 406 tracked gamers (6% - TSA Ratio = 4.06)  

I'm Dreaming of a Red Christmas50

Win a Long Game on Santa's Evil Lair on Suicidal Difficulty.

Unlocked by 268 tracked gamers (4% - TSA Ratio = 5.01)  

Grandma got Eaten by a Reindeer54

Win a Long Game on Santa's Evil Lair on Hell on Earth Difficulty.

Unlocked by 228 tracked gamers (3% - TSA Ratio = 5.44)  

Merry Friggin Christmas14

[2010 Xmas] Kill the Christmas Patriarch.

Unlocked by 3,657 tracked gamers (55% - TSA Ratio = 1.35)  

Cracked the Nutcracker!31

[2010 Xmas] Land the killing blow on a Christmas Fleshpound with a Knife.

Unlocked by 716 tracked gamers (11% - TSA Ratio = 3.05)  

Can't Catch Me!28

[2010 Xmas] Kill 2 Christmas Gorefasts with a Melee weapon from behind in one wave.

Unlocked by 845 tracked gamers (13% - TSA Ratio = 2.81)  

Toasted Jack Frost21

[2010 Xmas] Kill the Christmas Scrake with a Fire-based weapon.

Unlocked by 1,581 tracked gamers (24% - TSA Ratio = 2.05)  

That's not Santa!32

[2010 Xmas] Kill 3 Christmas Bloats with the Bullpup in one wave.

Unlocked by 658 tracked gamers (10% - TSA Ratio = 3.19)  

Rudolph, the Bloody Nosed Reindeer20

[2010 Xmas] Kill a Christmas Crawler with a Crossbow.

Unlocked by 1,738 tracked gamers (26% - TSA Ratio = 1.96)  

Not So Silent Night32

[2010 Xmas] Kill a Christmas Siren with an undetonated LAW rocket.

Unlocked by 639 tracked gamers (10% - TSA Ratio = 3.23)  

Fending off Mrs. Claws20

[2010 Xmas] Kill 3 Christmas Stalkers with a Lever Action Rifle without reloading.

Unlocked by 1,630 tracked gamers (24% - TSA Ratio = 2.02)  

Who Brings a Gun to a Snow Ball Fight?14

[2010 Xmas] Kill a Christmas Husk with any Pistol.

Unlocked by 3,603 tracked gamers (54% - TSA Ratio = 1.36)  

Deck the Halls with Buckets o' Blood20

[2010 Xmas] Kill 3 Christmas Zeds in 1 ZED time chain with a Melee weapon.

Unlocked by 1,726 tracked gamers (26% - TSA Ratio = 1.96)  

Tis Better to Give than to Receive35

[2010 Xmas] Drop 3 Tier 3 weapons for others (with which they kill at least one Christmas Zed).

Unlocked by 543 tracked gamers (8% - TSA Ratio = 3.51)  

Eggnog Anyone?21

[2010 Xmas] Get covered in Christmas Bloat Bile and live for 10 seconds on Hard, Suicidal, or Hell on Earth.

Unlocked by 1,588 tracked gamers (24% - TSA Ratio = 2.05)  

Bad Santa32

Unlock 10 of the 13 Christmas Achievements along with any Christmas Map achievement.

Unlocked by 666 tracked gamers (10% - TSA Ratio = 3.17)  

Back to Work15

[2010 Xmas] Kill 20 Christmas Clots in one wave.

Unlocked by 3,035 tracked gamers (45% - TSA Ratio = 1.48)  

Uber Tuber33

Expensive but delicious! Brought to you by Dr. Dougley and Lord Ned.

Unlocked by 617 tracked gamers (9% - TSA Ratio = 3.29)  

Science Got Done26

Win a Long Game on Aperture on Normal Difficulty.

Unlocked by 1,013 tracked gamers (15% - TSA Ratio = 2.56)  

Still Alive37

Win a Long Game on Aperture on Hard Difficulty.

Unlocked by 496 tracked gamers (7% - TSA Ratio = 3.67)  

This is a Triumph48

Win a Long Game on Aperture on Suicidal Difficulty.

Unlocked by 291 tracked gamers (4% - TSA Ratio = 4.81)  

I'm Making a Note Here, Huge Success52

Win a Long Game on Aperture on Hell on Earth Difficulty.

Unlocked by 247 tracked gamers (4% - TSA Ratio = 5.21)  

Golden Potato30

Get into GLaDOS' core on Aperture.

Unlocked by 730 tracked gamers (11% - TSA Ratio = 3.03)  

Flea Circus26

Win a Long Game on Abusement Park on Normal Difficulty.

Unlocked by 964 tracked gamers (14% - TSA Ratio = 2.63)  

Dog and Pony Show38

Win a Long Game on Abusement Park on Hard Difficulty.

Unlocked by 469 tracked gamers (7% - TSA Ratio = 3.77)  

3 Ring Circus48

Win a Long Game on Abusement Park on Suicidal Difficulty.

Unlocked by 289 tracked gamers (4% - TSA Ratio = 4.82)  

On Top of the Big Top51

Win a Long Game on Abusement Park on Hell on Earth Difficulty.

Unlocked by 260 tracked gamers (4% - TSA Ratio = 5.08)  

Ringmaster13

Kill the "Ring Leader" (Circus Patriarch)

Unlocked by 3,668 tracked gamers (55% - TSA Ratio = 1.34)  

Sparring with a Master15

Kill a Circus Gorefast with a Melee weapon.

Unlocked by 2,800 tracked gamers (42% - TSA Ratio = 1.54)  

Assistant Homicide28

Kill 2 Circus Stalkers with a Melee weapon to the back in one wave.

Unlocked by 863 tracked gamers (13% - TSA Ratio = 2.78)  

Seeing Double17

Kill 5 Circus Crawlers with a Bullpup in one wave.

Unlocked by 2,229 tracked gamers (33% - TSA Ratio = 1.73)  

Clearing Clown Alley15

Kill 5 Circus Bloats in one game.

Unlocked by 3,170 tracked gamers (47% - TSA Ratio = 1.45)  

The Big Hunt19

Kill a Circus Scrake with a Crossbow.

Unlocked by 1,773 tracked gamers (26% - TSA Ratio = 1.94)  

Lifting a Dumbell29

Kill a Circus Husk with a LAW.

Unlocked by 803 tracked gamers (12% - TSA Ratio = 2.88)  

Small Hands15

Kill 3 Circus Clots in a wave with the Lever Action Rifle.

Unlocked by 2,968 tracked gamers (44% - TSA Ratio = 1.50)  

Elephant Gun18

Land the killing blow on a Circus Fleshpound with a Pistol.

Unlocked by 2,102 tracked gamers (31% - TSA Ratio = 1.78)  

Juggling Act30

Drop 5 different Tier 2 weapons in one wave.

Unlocked by 737 tracked gamers (11% - TSA Ratio = 3.01)  

Windjammer Enthusiast19

Survive 10 seconds after being screamed at by a Circus Siren on Hard or above.

Unlocked by 1,763 tracked gamers (26% - TSA Ratio = 1.94)  

Taking Down the Big Top20

Kill 4 Circus Zeds in 1 ZED time chain with a Melee weapon.

Unlocked by 1,619 tracked gamers (24% - TSA Ratio = 2.03)  

Burning up the Midway20

Kill 10 Circus Clots with a Fire-based weapon.

Unlocked by 1,597 tracked gamers (24% - TSA Ratio = 2.04)  

Punk'd29

Unlock 10 of the 13 Circus Achievements along with any Abusement Park achievement.

Unlocked by 775 tracked gamers (12% - TSA Ratio = 2.94)  

Sparkling in the Twilight26

Kill The Vampire Patriarch Ringmaster in Bedlam

Unlocked by 962 tracked gamers (14% - TSA Ratio = 2.63)  

Carving The Jack O' Lantern27

Decapitate a burning Halloween specimen in Bedlam

Unlocked by 949 tracked gamers (14% - TSA Ratio = 2.65)  

The Scene is Zed28

Kill 250 Halloween Specimens in Bedlam

Unlocked by 842 tracked gamers (13% - TSA Ratio = 2.81)  

Zed October35

Win a Long Bedlam Match During the Halloween Event on Hard

Unlocked by 544 tracked gamers (8% - TSA Ratio = 3.51)  

This is No Ordinary Rabbit!37

Kill 25 Halloween Scrakes in Bedlam

Unlocked by 496 tracked gamers (7% - TSA Ratio = 3.68)  

Trick, not Treat13

Kill 5 Halloween Specimens with any gun without reloading

Unlocked by 4,053 tracked gamers (60% - TSA Ratio = 1.28)  

Rule The Roost38

Get all 6 achievements and unlock Commando Chicken

Unlocked by 471 tracked gamers (7% - TSA Ratio = 3.77)  

Burning Irony37

Kill 15 Husks with the Husk Cannon

Unlocked by 481 tracked gamers (7% - TSA Ratio = 3.73)  

Highlander32

Kill a Scrake, a Fleshpound, and the Patriarch with the Claymore Sword within one map

Unlocked by 657 tracked gamers (10% - TSA Ratio = 3.19)  

Bloody Yanks16

Kill 1 specimen ONLY while expending a full M4 Assault Rifle magazine

Unlocked by 2,486 tracked gamers (37% - TSA Ratio = 1.63)  

Finish Him31

Hit a Scrake with the M203 Rifle grenade to kill him

Unlocked by 681 tracked gamers (10% - TSA Ratio = 3.13)  

I love ze Healing not ze Hurting27

Heal others for 3000 points of health with the MP5 SMG

Unlocked by 911 tracked gamers (14% - TSA Ratio = 2.71)  

Italian Meat Pasta31

Kill 12 zeds with a full magazine from the Combat Shotgun

Unlocked by 687 tracked gamers (10% - TSA Ratio = 3.12)  

Feeling Lucky?21

Kill a specimen with every shot from your Revolver for one magazine

Unlocked by 1,461 tracked gamers (22% - TSA Ratio = 2.13)  

We Have Ourselves a Cowboy26

Hold dual 9mm, dual hand cannons and Dual Revolvers

Unlocked by 981 tracked gamers (15% - TSA Ratio = 2.61)  

Snow Cone28

Beat Ice Cave on Normal Difficulty

Unlocked by 830 tracked gamers (12% - TSA Ratio = 2.83)  

Stay Frosty39

Beat Ice Cave on Hard Difficulty

Unlocked by 437 tracked gamers (7% - TSA Ratio = 3.91)  

On the Rocks49

Beat Ice Cave on Suicidal Difficulty

Unlocked by 282 tracked gamers (4% - TSA Ratio = 4.88)  

Anti Freeze52

Beat Ice Cave on Hell on Earth Difficulty

Unlocked by 248 tracked gamers (4% - TSA Ratio = 5.21)  

A Bloody Christmas Carol13

Kill 15 XMas Clots, 5 xmas Stalkers, 5 XMas Crawlers, 1 XMas Siren and 1 XMas Bloat.

Unlocked by 4,078 tracked gamers (61% - TSA Ratio = 1.27)  

Spec Ops27

Kill 12 clots with one magazine without reloading (MK23)

Unlocked by 931 tracked gamers (14% - TSA Ratio = 2.67)  

Combat Medic20

Kill a zed that has injured a player (M7A3 rifle)

Unlocked by 1,594 tracked gamers (24% - TSA Ratio = 2.04)  

Fugly36

Kill one of each type of zed in one round (HSG Shotgun)

Unlocked by 514 tracked gamers (8% - TSA Ratio = 3.61)  

British Superiority17

Kill a zed each with both the Bullpup and FN-Fal

Unlocked by 2,181 tracked gamers (33% - TSA Ratio = 1.75)  

The Big One36

Kill 2 scrakes with one shot (M99)

Unlocked by 531 tracked gamers (8% - TSA Ratio = 3.55)  

Highway to Heaven30

Beat Hellride on Normal Difficulty

Unlocked by 729 tracked gamers (11% - TSA Ratio = 3.02)  

Stuck in Limbo41

Beat Hellride on Hard Difficulty

Unlocked by 405 tracked gamers (6% - TSA Ratio = 4.06)  

Demonic Road49

Beat Hellride on Suicidal Difficulty

Unlocked by 276 tracked gamers (4% - TSA Ratio = 4.93)  

Devil's Co-pilot53

Beat Hellride on Hell on Earth Difficulty

Unlocked by 236 tracked gamers (4% - TSA Ratio = 5.33)  

Historical Remnants17

Kill 6 Zeds with one magazine on an MKb42, without reloading

Unlocked by 2,227 tracked gamers (33% - TSA Ratio = 1.73)  

Nail'd!23

Kill 4 Stalkers in a game with the Vlad9000 Nailgun

Unlocked by 1,278 tracked gamers (19% - TSA Ratio = 2.28)  

Explosion of Love35

Heal yourself plus 5 other players with one grenade

Unlocked by 555 tracked gamers (8% - TSA Ratio = 3.47)  

Trench Warfare37

Set a total of 200 Zeds on fire with the Trench Gun in Hillbilly Horror

Unlocked by 484 tracked gamers (7% - TSA Ratio = 3.72)  

Third Cousins30

Beat Hillbilly Horror on Normal Difficulty

Unlocked by 762 tracked gamers (11% - TSA Ratio = 2.96)  

Second Cousins42

Beat Hillbilly Horror on Hard Difficulty

Unlocked by 377 tracked gamers (6% - TSA Ratio = 4.21)  

First Cousins (Once Removed)50

Beat Hillbilly Horror on Suicidal Difficulty

Unlocked by 264 tracked gamers (4% - TSA Ratio = 5.04)  

First Cousins54

Beat Hillbilly Horror on Hell on Earth Difficulty

Unlocked by 236 tracked gamers (4% - TSA Ratio = 5.35)  

Grim Reaper35

Get the 6 Special Halloween Achievements plus 1 Hillbilly Horror Map Achievement to unlock the Grim Reaper

Unlocked by 563 tracked gamers (8% - TSA Ratio = 3.45)  

Soul Collector29

Free the souls of the 25 Gnomes hidden on Hillbilly Horror in 1 game

Unlocked by 821 tracked gamers (12% - TSA Ratio = 2.85)  

Meet Your Maker!20

Kill 1000 Hillbilly Zeds

Unlocked by 1,758 tracked gamers (26% - TSA Ratio = 1.95)  

Creepy Crawlies26

Kill 15 Hillbilly Crawlers in 1 game with the Tommy Gun or MKb42

Unlocked by 988 tracked gamers (15% - TSA Ratio = 2.60)  

Rippin' It Up30

Kill a Hillbilly Husk and another Hillbilly Zed in the same shot with the Buzzsaw Bow or M99

Unlocked by 759 tracked gamers (11% - TSA Ratio = 2.97)  

I Am Become Death21

Kill 5 Hillbilly Zeds in 10 seconds with the Scythe or Axe

Unlocked by 1,494 tracked gamers (22% - TSA Ratio = 2.11)  

Fiery Personality23

Set 3 Hillbilly Gorefasts on fire with the Flare Pistol or Trench Gun

Unlocked by 1,236 tracked gamers (18% - TSA Ratio = 2.32)  

Have my axe44

Kill 30 Fleshpounds with the Dwarfs!? axe with back attacks

Unlocked by 339 tracked gamers (5% - TSA Ratio = 4.44)  

One Small Step for Man43

Kill 500 Zeds with the Schneidzekk Medic Gun while you are falling

Unlocked by 355 tracked gamers (5% - TSA Ratio = 4.34)  

But It's All Red!28

Collect all 16 Z.E.D. Gun pieces

Unlocked by 851 tracked gamers (13% - TSA Ratio = 2.80)  

Game Over, Man!35

Have 20 Zeds you slowed with the Z.E.D. gun killed

Unlocked by 551 tracked gamers (8% - TSA Ratio = 3.48)  

Here is to us27

Beat Moonbase on Normal Difficulty

Unlocked by 944 tracked gamers (14% - TSA Ratio = 2.66)  

Attempting Re-entry38

Beat Moonbase on Hard Difficulty

Unlocked by 452 tracked gamers (7% - TSA Ratio = 3.85)  

Amusing Death51

Beat Moonbase on Suicidal Difficulty

Unlocked by 261 tracked gamers (4% - TSA Ratio = 5.07)  

One Giant Leap (Back) for Mankind54

Beat Moonbase on Hell on Earth Difficulty

Unlocked by 228 tracked gamers (3% - TSA Ratio = 5.44)  

Gimli That Axe!33

Get the Not-a-war-hammer Achievement in Dwarfs!?

Unlocked by 601 tracked gamers (9% - TSA Ratio = 3.33)  

Astro Buffer Afficiando31

Beat Steamland on Normal Difficulty

Unlocked by 683 tracked gamers (10% - TSA Ratio = 3.12)  

Modified Psychoacceleration Achiever42

Beat Steamland on Hard Difficulty

Unlocked by 378 tracked gamers (6% - TSA Ratio = 4.21)  

Fractional Neutron Activator52

Beat Steamland on Suicidal Difficulty

Unlocked by 254 tracked gamers (4% - TSA Ratio = 5.15)  

Advanced Omega Wave Resonance Explorer54

Beat Steamland on Hell on Earth Difficulty

Unlocked by 233 tracked gamers (3% - TSA Ratio = 5.37)  

Simplified Force Adhesion Afficianado32

Beat Steamland in Objective Mode on Normal Difficulty

Unlocked by 665 tracked gamers (10% - TSA Ratio = 3.17)  

Oscillating Hydrogen Transition Achiever48

Beat Steamland in Objective Mode on Hard Difficulty

Unlocked by 292 tracked gamers (4% - TSA Ratio = 4.79)  

Alpha Wave Osteooxidation Activator56

Beat Steamland in Objective Mode on Suicidal Difficulty

Unlocked by 213 tracked gamers (3% - TSA Ratio = 5.62)  

Tachyon Cytoneutralization Explorer59

Beat Steamland in Objective Mode on Hell on Earth Difficulty

Unlocked by 193 tracked gamers (3% - TSA Ratio = 5.90)  

Hide and go Puke34

[2013 Summer] Destroy all the Pukey the Clown dolls

Unlocked by 595 tracked gamers (9% - TSA Ratio = 3.35)  

Arcade Gamer32

[2013 Summer] Complete the Pop the Clot, the Strong Man and the Grenade Toss games

Unlocked by 639 tracked gamers (10% - TSA Ratio = 3.23)  

Full Charge32

Have 5 Breaker Boxes 100% repaired at the same time

Unlocked by 648 tracked gamers (10% - TSA Ratio = 3.21)  

Extended Motion Protector33

[2013 Summer] Protect the Ringmaster during the escort mission so that he does not get hit more than 15 times

Unlocked by 609 tracked gamers (9% - TSA Ratio = 3.32)  

Guardian Assault Protector27

Protect the ringmaster during the defense mission so that he does not get hit more than 15 times

Unlocked by 885 tracked gamers (13% - TSA Ratio = 2.75)  

Golden 3 Crown Note37

Get all 3 gold bars without the carriers taking damage while they have them

Unlocked by 497 tracked gamers (7% - TSA Ratio = 3.67)  

Single-shot Equalizer26

Kill 4 different types of Zeds with headshots with 4 shots from the Long Musket or the M14 without reloading

Unlocked by 995 tracked gamers (15% - TSA Ratio = 2.59)  

Assault Flayer Ordinance22

Push a scrake back with the direct fire from a Hunting Shotgun or alt fire from the Multi-Chamber ZED Thrower

Unlocked by 1,436 tracked gamers (21% - TSA Ratio = 2.15)  

Single-Load Doom Bombardier21

Kill a ZED with a direct (unexploded) shot from the Orca Bomb Propeller or the M-79/M32

Unlocked by 1,540 tracked gamers (23% - TSA Ratio = 2.08)  

Turbo Executioner34

Kill 5 zeds in ZED time without reloading with Dr. T's LDS or Bullpup

Unlocked by 573 tracked gamers (9% - TSA Ratio = 3.41)  

Mrs. Punkd38

Get 4 of 6 of the 2013 Summer Event in-game level Achievements, one Standard and one Objective Mode map completion Achievement, plus the Punk'd Achievement to unlock Steampunk Mrs. Foster

Unlocked by 454 tracked gamers (7% - TSA Ratio = 3.84)  

Longshoreman34

Beat Fright Yard on Normal Difficulty

Unlocked by 591 tracked gamers (9% - TSA Ratio = 3.36)  

Gang Crew43

Beat Fright Yard on Hard Difficulty

Unlocked by 371 tracked gamers (6% - TSA Ratio = 4.25)  

Stevedore52

Beat Fright Yard on Suicidal Difficulty

Unlocked by 254 tracked gamers (4% - TSA Ratio = 5.15)  

Wharfinger54

Beat Fright Yard on Hell on Earth Difficulty

Unlocked by 230 tracked gamers (3% - TSA Ratio = 5.42)  

Fork Lift Operator39

Beat Fright Yard in Objective Mode on Normal Difficulty

Unlocked by 450 tracked gamers (7% - TSA Ratio = 3.86)  

Truck Driver50

Beat Fright Yard in Objective Mode on Hard Difficulty

Unlocked by 272 tracked gamers (4% - TSA Ratio = 4.97)  

Crane Operator59

Beat Fright Yard in Objective Mode on Suicidal Difficulty

Unlocked by 196 tracked gamers (3% - TSA Ratio = 5.86)  

Shipping Magnate60

Beat Fright Yard in Objective Mode on Hell on Earth Difficulty

Unlocked by 190 tracked gamers (3% - TSA Ratio = 5.95)  

Claw Machine Master33

Attach the crane hook within 125 seconds

Unlocked by 610 tracked gamers (9% - TSA Ratio = 3.31)  

Ex-scientist35

Collect all the bile without a contamination

Unlocked by 538 tracked gamers (8% - TSA Ratio = 3.53)  

77744

Win Fuel on the first try

Unlocked by 349 tracked gamers (5% - TSA Ratio = 4.38)  

Blinding Big Brother38

Destroy all 30 Cameras

Unlocked by 456 tracked gamers (7% - TSA Ratio = 3.83)  

Fire and Forget41

Kill a Halloween Fleshpound and Scrake in the same explosion with the Seal Squeal Harpoon Bomber or the LAW

Unlocked by 394 tracked gamers (6% - TSA Ratio = 4.12)  

Under The Weather38

Use Bile or the Flamethrower to kill one of each Halloween Zed

Unlocked by 471 tracked gamers (7% - TSA Ratio = 3.77)  

Most Bang for the Buck33

Kill 10 Halloween zeds in explosions using the Seeker 6 or the M32 within 5 seconds

Unlocked by 627 tracked gamers (9% - TSA Ratio = 3.26)  

Death34

Beat Hell on Normal Difficulty

Unlocked by 577 tracked gamers (9% - TSA Ratio = 3.40)  

King Minos45

Beat Hell on Hard Difficulty

Unlocked by 328 tracked gamers (5% - TSA Ratio = 4.52)  

Cerberus52

Beat Hell on Suicidal Difficulty

Unlocked by 247 tracked gamers (4% - TSA Ratio = 5.21)  

Lucifer55

Beat Hell on Hell on Earth Difficulty

Unlocked by 219 tracked gamers (3% - TSA Ratio = 5.54)  

Brain Fart35

Beat Forgotten on Normal Difficulty

Unlocked by 535 tracked gamers (8% - TSA Ratio = 3.54)  

Agnosia45

Beat Forgotten on Hard Difficulty

Unlocked by 328 tracked gamers (5% - TSA Ratio = 4.52)  

Amnesia54

Beat Forgotten on Suicidal Difficulty

Unlocked by 236 tracked gamers (4% - TSA Ratio = 5.35)  

Dementia56

Beat Forgotten on Hell on Earth Difficulty

Unlocked by 212 tracked gamers (3% - TSA Ratio = 5.63)  

No Time for Love, Dr. Jones46

Win a short round on KF-Hell playing as or with Harchier Spebbington

Unlocked by 314 tracked gamers (5% - TSA Ratio = 4.62)  

Home Brewer38

Beat Siren's Belch on Normal Difficulty

Unlocked by 467 tracked gamers (7% - TSA Ratio = 3.78)  

Micro Brewer46

Beat Siren's Belch on Hard Difficulty

Unlocked by 314 tracked gamers (5% - TSA Ratio = 4.62)  

Master Brewer54

Beat Siren's Belch on Suicidal Difficulty

Unlocked by 232 tracked gamers (3% - TSA Ratio = 5.38)  

Trappist Monk57

Beat Siren's Belch on Hell on Earth Difficulty

Unlocked by 209 tracked gamers (3% - TSA Ratio = 5.67)  

Oktoberfest Master41

Collect all the Beer Steins

Unlocked by 395 tracked gamers (6% - TSA Ratio = 4.12)  

Peasant39

Beat Stronghold on Normal Difficulty

Unlocked by 434 tracked gamers (6% - TSA Ratio = 3.92)  

Squire47

Beat Stronghold on Hard Difficulty

Unlocked by 299 tracked gamers (4% - TSA Ratio = 4.73)  

Prince54

Beat Stronghold on Suicidal Difficulty

Unlocked by 227 tracked gamers (3% - TSA Ratio = 5.44)  

King57

Beat Stronghold on Hell on Earth Difficulty

Unlocked by 209 tracked gamers (3% - TSA Ratio = 5.71)  

Rich Evil Uncle45

Collect all the Treasure Bags

Unlocked by 325 tracked gamers (5% - TSA Ratio = 4.54)  

Cattle Class38

Beat Transit on Normal Difficulty

Unlocked by 456 tracked gamers (7% - TSA Ratio = 3.83)  

Economy Comfort46

Beat Transit on Hard Difficulty

Unlocked by 324 tracked gamers (5% - TSA Ratio = 4.55)  

Business Class54

Beat Transit on Suicidal Difficulty

Unlocked by 234 tracked gamers (3% - TSA Ratio = 5.36)  

First Class56

Beat Transit on Hell on Earth Difficulty

Unlocked by 218 tracked gamers (3% - TSA Ratio = 5.55)  

Day-trip41

Beat Transit in Objective Mode on Normal Difficulty

Unlocked by 407 tracked gamers (6% - TSA Ratio = 4.06)  

Long weekend47

Beat Transit in Objective Mode on Hard Difficulty

Unlocked by 307 tracked gamers (5% - TSA Ratio = 4.67)  

Serious vacation58

Beat Transit in Objective Mode on Suicidal Difficulty

Unlocked by 203 tracked gamers (3% - TSA Ratio = 5.76)  

Moved to Paris!59

Beat Transit in Objective Mode on Hell on Earth Difficulty

Unlocked by 191 tracked gamers (3% - TSA Ratio = 5.94)  

Nitro Boost!36

Transit - Get the Nitro to the Objective in 135 seconds or less

Unlocked by 513 tracked gamers (8% - TSA Ratio = 3.61)  

Totally Metal34

Transit - Kill 250 Zeds before completing the welding objective

Unlocked by 593 tracked gamers (9% - TSA Ratio = 3.35)  

Multi-pass26

Transit - Pick up the door key

Unlocked by 958 tracked gamers (14% - TSA Ratio = 2.64)  

Science Hater36

Transit - Destroy all the DNA vials

Unlocked by 517 tracked gamers (8% - TSA Ratio = 3.59)  

Doctor WHO??47

Transit - Get all Objective achievements AND beat KFO Transit on Hard or above to unlock Dr Rachel Clamely.

Unlocked by 304 tracked gamers (5% - TSA Ratio = 4.69)  

Gone clubbing40

Beat Clandestine on Normal Difficulty

Unlocked by 417 tracked gamers (6% - TSA Ratio = 4.01)  

Rack 'em up49

Beat Clandestine on Hard Difficulty

Unlocked by 282 tracked gamers (4% - TSA Ratio = 4.88)  

Burned out55

Beat Clandestine on Suicidal Difficulty

Unlocked by 220 tracked gamers (3% - TSA Ratio = 5.54)  

Hangover from Hell57

Beat Clandestine on Hell Difficulty

Unlocked by 207 tracked gamers (3% - TSA Ratio = 5.71)  

Skull Cracker43

Clandestine - Destroy 30 skulls

Unlocked by 358 tracked gamers (5% - TSA Ratio = 4.32)  

Cave of Wonder40

Beat ThrillsChills on Normal Difficulty

Unlocked by 413 tracked gamers (6% - TSA Ratio = 4.03)  

Cavern of Pain47

Beat ThrillsChills on Hard Difficulty

Unlocked by 298 tracked gamers (4% - TSA Ratio = 4.74)  

Grotto of Terror56

Beat ThrillsChills on Suicidal Difficulty

Unlocked by 219 tracked gamers (3% - TSA Ratio = 5.56)  

Hollow of Horror58

Beat ThrillsChills on Hell Difficulty

Unlocked by 203 tracked gamers (3% - TSA Ratio = 5.77)  

All shook up40

Destroy all (15) Snow Globes

Unlocked by 423 tracked gamers (6% - TSA Ratio = 3.98)