It's Not Easy Being Greasy
Cause a Specimen to Die by Luring them into Bloat Acid.
74.0%
Experimenticenticide
Kill 100 Specimens.
71.5%
Social Outburst
Kill 8 Specimens with One Grenade.
55.6%
Experimentimillicide
Kill 1,000 Specimens.
46.9%
Straight Rush
Kill the Patriarch Before he has a Chance to Heal.
42.5%
Philanthropist
Give 1,000 Pounds to Teammates who have 50% of Your Cash or Less.
40.8%
Self Medicator
In Co-op Mode, Use Syringe on Yourself 100 Times.
37.3%
I Like To Watch
Aquire 5 Minutes of "Zed-Time".
31.6%
A Bloody Christmas Carol
Kill 15 XMas Clots, 5 xmas Stalkers, 5 XMas Crawlers, 1 XMas Siren and 1 XMas Bloat.
27.3%
Who Brings a Gun to a Snow Ball Fight?
[2010 Xmas] Kill a Christmas Husk with any Pistol.
26.6%
Homer's Heroes
Kill 100 Sirens.
26.3%
Bloody Yanks
Kill 1 specimen ONLY while expending a full M4 Assault Rifle magazine
26.3%
Pub Crawl
Win a Long Game on West London on Normal Difficulty.
25.9%
Random Axe of Kindness
Kill 15 Specimens with a Fire Axe in a Single Wave.
25.6%
Merry Friggin Christmas
[2010 Xmas] Kill the Christmas Patriarch.
25.4%
Too Close For Comfort
Finish off a Fleshpound using a Melee Attack.
24.9%
Back to Work
[2010 Xmas] Kill 20 Christmas Clots in one wave.
22.2%
Getting Chunky
Obliterate 10 Zeds at once with the Pipe Bomb.
21.7%
Quarter Pounder With Ease
Turn 5 Fleshpounds into Giblets.
21.3%
Careful Spender
Kill 4 Specimens with a Single Shot from a Hunting Shotgun.
21.2%
Fascist Dietitian
Kill 200 Bloats.
21.0%
Keep Those Sneakers Off the Floor!
Kill 20 Stalkers with Explosives.
20.3%
Lab Cleaner
Win a Long Game on Biotics Lab on Normal Difficulty.
19.6%
Let Them Burn
Get 1000 points of burn damage with the MAC-10.
19.3%
The L.A.W. That Broke The Camel's Back
Deliver the Killing Blow to the Patriarch with a L.A.W. Rocket.
19.1%
It's What's Inside That Counts
Turn 500 Specimens into Giblets.
17.9%
Experimentilottacide
Kill 10,000 Specimens.
17.5%
Flaming Hell, That was Close
As Firebug, kill the Husk with the Flamethrower before he hurts anyone.
16.9%
Lord of the Manor
Win a Long Game on Manor on Normal Difficulty.
16.9%
Ringmaster
Kill the "Ring Leader"(Circus Patriarch)
15.7%
British Superiority
Kill a zed each with both the Bullpup and FN-Fal
15.6%
Clearing Clown Alley
Kill 5 Circus Bloats in one game.
15.1%
Small Hands
Kill 3 Circus Clots in a wave with the Lever Action Rifle.
14.8%
Chicken Farmer
Win a Long Game on Farm on Normal Difficulty.
14.6%
Historical Remnants
Kill 6 Zeds with one magazine on an MKb42, without reloading
14.2%
Daytrip
Win a Long Game on Mountain Pass on Normal Difficulty.
14.1%
The Boss
Win a Long Game on Offices on Normal Difficulty.
13.9%
Rudolph, the Bloody Nosed Reindeer
[2010 Xmas] Kill a Christmas Crawler with a Crossbow.
13.3%
Sparing with a Master
Kill a Circus Gorefast with a Melee weapon.
12.9%
Feeling Lucky?
Kill a specimen with every shot from your Revolver for one magazine
12.8%
Eggnog Anyone?
[2010 Xmas] Get covered in Christmas Bloat Bile and live for 10 seconds on Hard, Suicidal, or Hell on Earth.
12.6%
Fending off Mrs. Claws
[2010 Xmas] Kill 3 Christmas Stalkers with a Lever Action Rifle without reloading.
11.9%
Combat Medic
Kill a zed that has injured a player (M7A3 rifle)
11.8%
Thin-Ice Pirouette
Complete 10 Waves when the Rest of your Team has Died.
11.7%
Trick, not Treat
Kill 5 Halloween Specimens with any gun without reloading
11.5%
Master Surgeon
As a Medic, Kill 8 Specimens using a Knife in a Single Wave.
10.7%
Seeing Double
Kill 5 Circus Crawlers with a Bullpup in one wave.
10.6%
Toasted Jack Frost
[2010 Xmas] Kill the Christmas Scrake with a Fire-based weapon.
10.1%
Windjammer Enthusiast
Survive 10 seconds after being screamed at by at Circus Siren on Hard or above.
9.6%
The Big Hunt
Kill a Circus Scrake with a Crossbow.
9.2%
Killer Junior
Kill 20 crawlers in mid-air with the M79.
9.0%
Hard Pub Crawl
Win a Long Game on West London on Hard Difficulty.
8.8%
Tin Man
Win a Long Game on Foundry, on Normal Difficulty.
8.8%
Healing Touch
Heal 200 teammates with the MP7's medication dart.
8.6%
Bitter Irony
Kill 2 Scrakes with a Chainsaw in a Single Wave.
8.3%
The Long War
Complete a Long Game on all 5 Core Maps on Normal Difficulty.
8.3%
Deck the Halls with Buckets o' Blood
[2010 Xmas] Kill 3 Christmas Zeds in 1 ZED time chain with a Melee weapon.
8.3%
Science Got Done
Win a Long Game on Aperture on Normal Difficulty.
8.1%
Warehouse Janitor
Win a Long Game on Crash on Normal Difficulty.
7.9%
Squirrel King of the Dark Forest
Win a Long Game on Wyre, on Normal Difficulty.
7.9%
Nail'd!
Kill 4 Stalkers in a game with the Vlad9000 Nailgun
7.8%
SCAR'd
Kill 1000 Specimens with the SCAR.
7.5%
Lab Assistant
Win a Long Game on Biotics Lab on Hard Difficulty.
7.4%
Hot Cross Fun
Kill 25 Burning Specimens with a Crossbow.
7.4%
Departure Gallery
Win a Long Game on Departed on Normal Difficulty.
7.4%
Burning up the Midway
Kill 10 Circus Clots with a Fire-based weapon.
7.4%
A Bit Barmy
Win a Long Game on Bedlam, on Normal Difficulty.
7.3%
Elephant Gun
Land the killing blow on a Circus Fleshpound with a Pistol.
7.1%
Flea Circus
Win a Long Game on Abusement Park on Normal Difficulty.
6.7%
Walking in A Winter Horror Land
Win a Long Game on Santa's Evil Lair on Normal Difficulty.
6.7%
Slight Drip
Win a Long Game on Waterworks on Normal Difficulty.
6.5%
Snow Cone
Beat Ice Cave on Normal
6.4%
Duke of the Manor
Win a Long Game on Manor on Hard Difficulty.
6.2%
Waste Disposal
Win a Long Game on Biohazard on Normal Difficulty.
6.0%
Death To The Mad Scientist
Defeat the Patriarch on Suicidal.
5.7%
I love ze Healing not ze Hurting
Heal others for 3000 points of health with the MP5 SMG
5.7%
Ice Cube
Win a Long Game on Icebreaker on Normal Difficulty.
5.6%
Running Late
Win a Long Game on Filth's Cross on Normal Difficulty.
5.4%
Carving The Jack O' Lantern
Decapitate a burning Halloween specimen in Bedlam
5.4%
Neighborhood Watch
Win a Long Game on Suburbia on Normal Difficulty.
5.4%
Here is to us
Beat Moonbase on Normal
5.2%
Meet Your Maker!
Kill 1000 Hillbilly Zeds
5.2%
Merry Men
Kill the Patriarch when everyone is ONLY using Crossbows.
5.2%
We Have Ourselves a Cowboy
Hold dual 9mm, dual hand cannons and Dual Revolvers
5.1%
Gimme a Plaster!
Win a Long Game on Hospital Horrors on Normal Difficulty.
5.1%
Fiery Personality
Set 3 Hillbilly Gorefasts on fire with the Flare Pistol or Trench Gun
5.1%
Blooper Reel
Turn 500 Zeds into Giblets using the M79.
5.1%
Soul Collector
Free the souls of the 25 Gnomes hidden on Hillbilly Horror in 1 game
5.0%
Gone Camping
Win a Long Game on Mountain Pass on Hard Difficulty.
5.0%
Sparkling in the Twilight
Kill The Vampire Patriarch Ringmaster in Bedlam
4.9%
Spec Ops
Kill 12 clots with one magazine without reloading (MK23)
4.8%
Hard Boss
Win a Long Game on Offices on Hard Difficulty.
4.8%
But It's All Red!
Collect all 16 Z.E.D. Gun pieces
4.8%
Cattle Farmer
Win a Long Game on Farm on Hard Difficulty.
4.6%
I Am Become Death
Kill 5 Hillbilly Zeds in 10 seconds with the Scythe or Axe
4.3%
The Scene is Zed
Kill 250 Halloween Specimens in Bedlam
4.3%
Long, Hot Summer
Complete a Long Game on all 3 Summer 2009 maps on Normal Difficulty.
4.1%
Steel Worker
Win a Long Game on Foundry, on Hard Difficulty.
4.1%
Highway to Heaven
Beat Hellride on Normal
3.9%
Third Cousins
Beat Hillbilly Horror on Normal
3.9%
Gone Mental
Win a Long Game on Bedlam, on Hard Difficulty.
3.9%
Creepy Crawlies
Kill 15 Hillbilly Crawlers in 1 game with the Tommy Gun or MKb42
3.7%
Lifting a Dumbell
Kill a Circus Husk with a LAW.
3.6%
Departure Lounge
Win a Long Game on Departed on Hard Difficulty.
3.5%
Taking Down the Big Top
Kill 4 Circus Zeds in 1 ZED time chain with a Melee weapon.
3.4%
Warehouse Forklift Operator
Win a Long Game on Crash on Hard Difficulty.
3.4%
Raccoon King of the Dark Forest
Win a Long Game on Wyre, on Hard Difficulty.
3.3%
Italian Meat Pasta
Kill 12 zeds with a full magazine from the Combat Shotgun
3.3%
Punk'd
Unlock 10 of the 13 Circus Achievements along with any Abusement Park achievement.
3.2%
Pound This
Kill 100 Fleshpounds with the AA12.
3.2%
Still Alive
Win a Long Game on Aperture on Hard Difficulty.
3.2%
Golden Potato
Get into GLaDOS' core on Aperture.
3.1%
Finish Him
Hit a Scrake with the M203 Rifle grenade to kill him
3.1%
Waste Land
Win a Long Game on Biohazard on Hard Difficulty.
3.1%
The Hard War
Complete a Long Game on all 5 Core Maps on Hard Difficulty.
3.0%
Assistant Homicide
Kill 2 Circus Stalkers with a Melee weapon to the back in one wave.
3.0%
Rippin' It Up
Kill a Hillbilly Husk and another Hillbilly Zed in the same shot with the Buzzsaw Bow or M99
2.9%
Tis Better to Give than to Receive
[2010 Xmas] Drop 3 Tier 3 weapons for others (with which they kill at least one Christmas Zed).
2.9%
Bad Santa
Unlock 10 of the 13 Christmas Achievements along with any Christmas Map achievement.
2.9%
Can't Catch Me!
[2010 Xmas] Kill 2 Christmas Gorefasts with a Melee weapon from behind in one wave.
2.9%
Cracked the Nutcracker!
[2010 Xmas] Land the killing blow on a Christmas Fleshpound with a Knife.
2.9%
Dog and Pony Show
Win a Long Game on Abusement Park on Hard Difficulty.
2.9%
Explosive Personality
As Demolitions, kill 1000 Specimens with the Pipebomb.
2.8%
Not So Silent Night
[2010 Xmas] Kill a Christmas Siren with an undetonated LAW rocket.
2.7%
That's not Santa!
[2010 Xmas] Kill 3 Christmas Bloats with the Bullpup in one wave.
2.7%
Burst Pipe
Win a Long Game on Waterworks on Hard Difficulty.
2.6%
Missed Connection
Win a Long Game on Filth's Cross on Hard Difficulty.
2.5%
Stay Frosty
Beat Ice Cave on Hard
2.5%
Gimli That Axe!
Get the Not-a-war-hammer Achievement in Dwarfs!?
2.5%
Zed October
Win a Long Bedlam Match During the Halloween Event on Hard
2.5%
Crushed Ice
Win a Long Game on Icebreaker on Hard Difficulty.
2.4%
Mr. Perky
Get All of your Perks up to Level 5.
2.4%
Silent Night, Evil Night
Win a Long Game on Santa's Evil Lair on Hard Difficulty.
2.4%
Suicidal Pub Crawl
Win a Long Game on West London on Suicidal Difficulty.
2.4%
That Bloody Well Hurts!
Win a Long Game on Hospital Horrors on Hard Difficulty.
2.4%
Private Security
Win a Long Game on Suburbia on Hard Difficulty.
2.3%
Summer of 2009
Complete a Long Game on all 3 Summer 2009 maps on Hard Difficulty.
2.3%
Piece of Cake
Complete all new map achievements on Normal Difficulty.
2.3%
The Big One
Kill 2 scrakes with one shot (M99)
2.3%
Juggling Act
Drop 5 different Tier 2 weapons in one wave.
2.2%
Lab Professor
Win a Long Game on Biotics Lab on Suicidal Difficulty.
2.2%
Grim Reaper
Get the 6 Special Halloween Achievements plus 1 Hillbilly Horror Map Achievement to unlock the Grim Reaper
2.2%
Highlander
Kill a Scrake, a Fleshpound, and the Patriarch with the Claymore Sword within one map
2.1%
Dot of Doom
Get 25 headshots in a row with the EBR while using the Laser Sight.
2.0%
Emperor of the Manor
Win a Long Game on Manor on Suicidal Difficulty.
2.0%
Game Over, Man!
Have 20 Zeds you slowed with the Z.E.D. gun killed
2.0%
Attempting Re-entry
Beat Moonbase on Hard
1.8%
Alligator Farmer
Win a Long Game on Farm on Suicidal Difficulty.
1.8%
Mad Boss
Win a Long Game on Offices on Suicidal Difficulty.
1.8%
Mountaineer
Win a Long Game on Mountain Pass on Suicidal Difficulty.
1.8%
Stuck in Limbo
Beat Hellride on Hard
1.8%
Man of Steel
Win a Long Game on Foundry, on Suicidal Difficulty.
1.7%
Rule The Roost
Get all 6 achievements and unlock Commando Chicken
1.7%
Dignity for the Dead
Kill 10 Specimens Feeding on Dead Teammates Corpses.
1.7%
This is No Ordinary Rabbit!
Kill 25 Halloween Scrakes in Bedlam
1.7%
Departure Gate
Win a Long Game on Departed on Suicidal Difficulty.
1.7%
Uber Tuber
Expensive but delicious! Brought to you by Dr. Dougley and Lord Ned.
1.7%
Trench Warfare
Set a total of 200 Zeds on fire with the Trench Gun in Hillbilly Horror
1.6%
Complete Barking
Win a Long Game on Bedlam, on Suicidal Difficulty.
1.6%
Bear King of the Dark Forest
Win a Long Game on Wyre, on Suicidal Difficulty.
1.6%
3 Ring Circus
Win a Long Game on Abusement Park on Suicidal Difficulty.
1.5%
Burning Irony
Kill 15 Husks with the Husk Cannon
1.5%
Pound Cake
Complete all new map achievements on Hard Difficulty.
1.5%
This is a Triumph
Win a Long Game on Aperture on Suicidal Difficulty.
1.5%
Warehouse Foreman
Win a Long Game on Crash on Suicidal Difficulty.
1.5%
Waste of Space
Win a Long Game on Biohazard on Suicidal Difficulty.
1.5%
And Back to School
Complete a Long Game on all 3 Summer 2009 maps on Suicidal Difficulty.
1.4%
Train Wreck
Win a Long Game on Filth's Cross on Suicidal Difficulty.
1.4%
Second Cousins
Beat Hillbilly Horror on Hard
1.4%
Hellish Pub Crawl
Win a Long Game on West London on Hell on Earth Difficulty.
1.4%
Fugly
Kill one of each type of zed in one round (HSG Shotgun)
1.4%
The Completely Suicidal War
Complete a Long Game on all 5 Core Maps on Suicidal Difficulty.
1.4%
I'm Dying Here!
Win a Long Game on Hospital Horrors on Suicidal Difficulty.
1.3%
Dear Departed
Win a Long Game on Departed on Hell on Earth Difficulty.
1.3%
Vigilante
Win a Long Game on Suburbia on Suicidal Difficulty.
1.3%
Wasted
Win a Long Game on Biohazard on Hell on Earth Difficulty.
1.3%
Pressure Failure
Win a Long Game on Waterworks on Suicidal Difficulty.
1.3%
Scientist from Hell
Win a Long Game on Biotics Lab on Hell on Earth Difficulty.
1.3%
On the Rocks
Beat Ice Cave on Suicidal
1.3%
On Top of the Big Top
Win a Long Game on Abusement Park on Hell on Earth Difficulty.
1.3%
Iceberg
Win a Long Game on Icebreaker on Suicidal Difficulty.
1.3%
Park Ranger
Win a Long Game on Mountain Pass on Hell on Earth Difficulty.
1.3%
I'm Dreaming of a Red Christmas
Win a Long Game on Santa's Evil Lair on Suicidal Difficulty.
1.3%
Warehouse Manager
Win a Long Game on Crash on Hell on Earth Difficulty.
1.2%
I'm Making a Note Here, Huge Success
Win a Long Game on Aperture on Hell on Earth Difficulty.
1.2%
Not Dead Yet!
Win a Long Game on Hospital Horrors on Hell on Earth Difficulty.
1.2%
Demonic King of the Manor
Win a Long Game on Manor on Hell on Earth Difficulty.
1.2%
SWAT
Win a Long Game on Suburbia on Hell on Earth Difficulty.
1.1%
Wolf King of the Dark Forest
Win a Long Game on Wyre on Hell on Earth Difficulty.
1.1%
Pile Up
Win a Long Game on Filth's Cross on Hell on Earth Difficulty.
1.1%
Floodgate to Hell
Win a Long Game on Waterworks on Hell on Earth Difficulty.
1.1%
Commit-ed for life
Win a Long Game on Bedlam on Hell on Earth Difficulty.
1.1%
Diablo Steel Man
Win a Long Game on Foundry on Hell on Earth Difficulty.
1.1%
Demon Farmer
Win a Long Game on Farm on Hell on Earth Difficulty.
1.1%
Boss from Hell
Win a Long Game on Offices on Hell on Earth Difficulty.
1.1%
Fruit Cake
Complete all new map achievements on Suicidal Difficulty.
1.1%
Comet
Win a Long Game on Icebreaker on Hell on Earth Difficulty.
1.1%
Grandma got Eaten by a Reindeer
Win a Long Game on Santa's Evil Lair on Hell on Earth Difficulty.
1.1%
Anti Freeze
Beat Ice Cave on Hell on Earth
1.1%
Demonic Road
Beat Hellride on Suicidal
1.0%
Explosion of Love
Heal yourself plus 5 other players with one grenade
0.9%
Devil Cake
Complete all new map achievements on Hell On Earth Difficulty.
0.9%
First Cousins (Once Removed)
Beat Hillbilly Horror on Suicidal
0.8%
Devil's Co-pilot
Beat Hellride on Hell on Earth
0.8%
Amusing Death
Beat Moonbase on Suicidal
0.7%
First Cousins
Beat Hillbilly Horror on Hell on Earth
0.7%
Have my axe
Kill 30 Fleshpounds with the Dwarfs!? axe with back attacks
0.6%
One Giant Leap (Back) for Mankind
Beat Moonbase on Hell on Earth
0.6%
One Small Step for Man
Kill 500 Zeds with the Schneidzekk Medic Gun while you are falling
0.6%
