Unlocked: Mar 31, 2012 12:16pm
Lab Cleaner
Win a Long Game on Biotics Lab on Normal Difficulty.
Unlocked: Apr 1, 2012 3:33pm
The Boss
Win a Long Game on Offices on Normal Difficulty.
Unlocked: Jan 28, 2013 11:58am
The Long War
Complete a Long Game on all 5 Core Maps on Normal Difficulty.
Unlocked: Mar 30, 2012 9:46pm
Experimenticenticide
Kill 100 Specimens.
Unlocked: Apr 5, 2012 3:50am
Fascist Dietitian
Kill 200 Bloats.
Unlocked: Apr 1, 2012 4:37pm
Homer's Heroes
Kill 100 Sirens.
Unlocked: Jun 12, 2012 12:33am
Keep Those Sneakers Off the Floor!
Kill 20 Stalkers with Explosives.
Unlocked: Apr 2, 2012 5:07am
Random Axe of Kindness
Kill 15 Specimens with a Fire Axe in a Single Wave.
Unlocked: May 8, 2012 5:08am
Bitter Irony
Kill 2 Scrakes with a Chainsaw in a Single Wave.
Unlocked: Jun 11, 2012 11:38pm
Hot Cross Fun
Kill 25 Burning Specimens with a Crossbow.
Unlocked: Mar 30, 2012 9:48pm
Social Outburst
Kill 8 Specimens with One Grenade.
Unlocked: May 26, 2012 1:25pm
Careful Spender
Kill 4 Specimens with a Single Shot from a Hunting Shotgun.
Unlocked: Mar 30, 2012 9:46pm
It's Not Easy Being Greasy
Cause a Specimen to Die by Luring them into Bloat Acid.
Unlocked: Apr 3, 2012 10:10pm
Too Close For Comfort
Finish off a Fleshpound using a Melee Attack.
Unlocked: Jun 4, 2012 3:52am
Master Surgeon
As a Medic, Kill 8 Specimens using a Knife in a Single Wave.
Unlocked: Apr 4, 2012 2:28pm
It's What's Inside That Counts
Turn 500 Specimens into Giblets.
Unlocked: Apr 3, 2012 11:54pm
Quarter Pounder With Ease
Turn 5 Fleshpounds into Giblets.
Unlocked: Mar 31, 2012 11:37am
Self Medicator
In Co-op Mode, Use Syringe on Yourself 100 Times.
Unlocked: Jun 19, 2012 10:23am
Thin-Ice Pirouette
Complete 10 Waves when the Rest of your Team has Died.
Unlocked: Mar 31, 2012 6:42pm
Philanthropist
Give 1,000 Pounds to Teammates who have 50% of Your Cash or Less.
Unlocked: Apr 5, 2012 11:47am
I Like To Watch
Aquire 5 Minutes of "Zed-Time".
Unlocked: Mar 31, 2012 1:34pm
Straight Rush
Kill the Patriarch Before he has a Chance to Heal.
Unlocked: Apr 1, 2012 7:18am
The L.A.W. That Broke The Camel's Back
Deliver the Killing Blow to the Patriarch with a L.A.W. Rocket.
Unlocked: Mar 31, 2012 12:37pm
Experimentimillicide
Kill 1,000 Specimens.
Unlocked: Apr 5, 2012 5:09pm
Experimentilottacide
Kill 10,000 Specimens.
Unlocked: Apr 3, 2012 10:28pm
Hard Pub Crawl
Win a Long Game on West London on Hard Difficulty.
Unlocked: May 26, 2012 3:49pm
Cattle Farmer
Win a Long Game on Farm on Hard Difficulty.
Unlocked: Jun 16, 2012 10:23am
Hard Boss
Win a Long Game on Offices on Hard Difficulty.
Unlocked: Apr 2, 2012 4:31am
Lab Assistant
Win a Long Game on Biotics Lab on Hard Difficulty.
Unlocked: Mar 30, 2012 10:11pm
Tin Man
Win a Long Game on Foundry, on Normal Difficulty.
Unlocked: Apr 3, 2012 11:08pm
Steel Worker
Win a Long Game on Foundry, on Hard Difficulty.
Unlocked: Jun 21, 2012 5:13pm
A Bit Barmy
Win a Long Game on Bedlam, on Normal Difficulty.
Unlocked: Apr 3, 2012 8:26pm
Gone Mental
Win a Long Game on Bedlam, on Hard Difficulty.
Unlocked: Apr 1, 2012 2:03pm
Squirrel King of the Dark Forest
Win a Long Game on Wyre, on Normal Difficulty.
Unlocked: Jun 21, 2012 5:13pm
Long, Hot Summer
Complete a Long Game on all 3 Summer 2009 maps on Normal Difficulty.
Unlocked: Apr 1, 2012 10:19am
Flaming Hell, That was Close
As Firebug, kill the Husk with the Flamethrower before he hurts anyone.
Unlocked: Apr 13, 2012 11:57am
Merry Men
Kill the Patriarch when everyone is ONLY using Crossbows.
Unlocked: Jun 17, 2012 2:48am
Healing Touch
Heal 200 teammates with the MP7's medication dart.
Unlocked: Apr 5, 2012 8:28am
Killer Junior
Kill 20 crawlers in mid-air with the M79.
Unlocked: Apr 27, 2012 6:21pm
Getting Chunky
Obliterate 10 Zeds at once with the Pipe Bomb.
Unlocked: Jun 25, 2012 1:43pm
Departure Lounge
Win a Long Game on Departed on Hard Difficulty.
Unlocked: Jun 14, 2012 9:43pm
Crushed Ice
Win a Long Game on Icebreaker on Hard Difficulty.
Unlocked: Apr 2, 2012 5:16am
Gone Camping
Win a Long Game on Mountain Pass on Hard Difficulty.
Unlocked: Mar 31, 2012 5:30pm
Slight Drip
Win a Long Game on Waterworks on Normal Difficulty.
Unlocked: Mar 30, 2012 9:53pm
Let Them Burn
Get 1000 points of burn damage with the MAC-10.
Unlocked: Apr 5, 2012 5:14pm
Silent Night, Evil Night
Win a Long Game on Santa's Evil Lair on Hard Difficulty.
Unlocked: Mar 31, 2012 1:34pm
Science Got Done
Win a Long Game on Aperture on Normal Difficulty.
Unlocked: May 20, 2013 4:35pm
Still Alive
Win a Long Game on Aperture on Hard Difficulty.
Unlocked: Jun 13, 2012 1:32pm
Golden Potato
Get into GLaDOS' core on Aperture.
Unlocked: Apr 3, 2012 7:28pm
Dog and Pony Show
Win a Long Game on Abusement Park on Hard Difficulty.
Unlocked: Jul 6, 2012 10:58pm
Ringmaster
Kill the "Ring Leader"(Circus Patriarch)
Unlocked: Jul 5, 2012 10:36pm
Sparing with a Master
Kill a Circus Gorefast with a Melee weapon.
Unlocked: Jul 7, 2012 1:24am
Assistant Homicide
Kill 2 Circus Stalkers with a Melee weapon to the back in one wave.
Unlocked: Jul 6, 2012 10:27pm
Seeing Double
Kill 5 Circus Crawlers with a Bullpup in one wave.
Unlocked: Jul 6, 2012 11:40pm
Clearing Clown Alley
Kill 5 Circus Bloats in one game.
Unlocked: Jul 6, 2012 11:18pm
The Big Hunt
Kill a Circus Scrake with a Crossbow.
Unlocked: Jul 7, 2012 12:34am
Lifting a Dumbell
Kill a Circus Husk with a LAW.
Unlocked: Jul 6, 2012 11:15pm
Small Hands
Kill 3 Circus Clots in a wave with the Lever Action Rifle.
Unlocked: Jul 6, 2012 10:42pm
Windjammer Enthusiast
Survive 10 seconds after being screamed at by at Circus Siren on Hard or above.
Unlocked: Jul 7, 2012 1:22am
Taking Down the Big Top
Kill 4 Circus Zeds in 1 ZED time chain with a Melee weapon.
Unlocked: Jul 6, 2012 11:47pm
Burning up the Midway
Kill 10 Circus Clots with a Fire-based weapon.
Unlocked: Jul 7, 2012 1:22am
Punk'd
Unlock 10 of the 13 Circus Achievements along with any Abusement Park achievement.
Unlocked: Apr 2, 2012 5:57am
Bloody Yanks
Kill 1 specimen ONLY while expending a full M4 Assault Rifle magazine
Unlocked: May 23, 2012 6:44am
I love ze Healing not ze Hurting
Heal others for 3000 points of health with the MP5 SMG
Unlocked: Apr 25, 2012 3:33pm
We Have Ourselves a Cowboy
Hold dual 9mm, dual hand cannons and Dual Revolvers
Unlocked: Jul 6, 2012 10:34pm
Combat Medic
Kill a zed that has injured a player (M7A3 rifle)
Unlocked: Jul 6, 2012 11:22pm
British Superiority
Kill a zed each with both the Bullpup and FN-Fal
Unlocked: Jul 7, 2012 6:51am
Highway to Heaven
Beat Hellride on Normal
Unlocked: Jul 6, 2012 10:58pm
Stuck in Limbo
Beat Hellride on Hard
Unlocked: Jan 28, 2013 11:46am
Historical Remnants
Kill 6 Zeds with one magazine on an MKb42, without reloading
Unlocked: May 20, 2013 7:36am
Nail'd!
Kill 4 Stalkers in a game with the Vlad9000 Nailgun
Unlocked: Feb 8, 2013 6:38pm
Attempting Re-entry
Beat Moonbase on Hard
Pub Crawl
Win a Long Game on West London on Normal Difficulty.
Lord of the Manor
Win a Long Game on Manor on Normal Difficulty.
Chicken Farmer
Win a Long Game on Farm on Normal Difficulty.
Dignity for the Dead
Kill 10 Specimens Feeding on Dead Teammates Corpses.
Mr. Perky
Get All of your Perks up to Level 5.
Death To The Mad Scientist
Defeat the Patriarch on Suicidal.
Duke of the Manor
Win a Long Game on Manor on Hard Difficulty.
The Hard War
Complete a Long Game on all 5 Core Maps on Hard Difficulty.
Suicidal Pub Crawl
Win a Long Game on West London on Suicidal Difficulty.
Emperor of the Manor
Win a Long Game on Manor on Suicidal Difficulty.
Alligator Farmer
Win a Long Game on Farm on Suicidal Difficulty.
Mad Boss
Win a Long Game on Offices on Suicidal Difficulty.
Lab Professor
Win a Long Game on Biotics Lab on Suicidal Difficulty.
The Completely Suicidal War
Complete a Long Game on all 5 Core Maps on Suicidal Difficulty.
Man of Steel
Win a Long Game on Foundry, on Suicidal Difficulty.
Complete Barking
Win a Long Game on Bedlam, on Suicidal Difficulty.
Raccoon King of the Dark Forest
Win a Long Game on Wyre, on Hard Difficulty.
Bear King of the Dark Forest
Win a Long Game on Wyre, on Suicidal Difficulty.
Summer of 2009
Complete a Long Game on all 3 Summer 2009 maps on Hard Difficulty.
And Back to School
Complete a Long Game on all 3 Summer 2009 maps on Suicidal Difficulty.
Explosive Personality
As Demolitions, kill 1000 Specimens with the Pipebomb.
Blooper Reel
Turn 500 Zeds into Giblets using the M79.
Dot of Doom
Get 25 headshots in a row with the EBR while using the Laser Sight.
SCAR'd
Kill 1000 Specimens with the SCAR.
Pound This
Kill 100 Fleshpounds with the AA12.
Hellish Pub Crawl
Win a Long Game on West London on Hell on Earth Difficulty.
Demonic King of the Manor
Win a Long Game on Manor on Hell on Earth Difficulty.
Demon Farmer
Win a Long Game on Farm on Hell on Earth Difficulty.
Boss from Hell
Win a Long Game on Offices on Hell on Earth Difficulty.
Scientist from Hell
Win a Long Game on Biotics Lab on Hell on Earth Difficulty.
Diablo Steel Man
Win a Long Game on Foundry on Hell on Earth Difficulty.
Commit-ed for life
Win a Long Game on Bedlam on Hell on Earth Difficulty.
Wolf King of the Dark Forest
Win a Long Game on Wyre on Hell on Earth Difficulty.
Waste Disposal
Win a Long Game on Biohazard on Normal Difficulty.
Waste Land
Win a Long Game on Biohazard on Hard Difficulty.
Waste of Space
Win a Long Game on Biohazard on Suicidal Difficulty.
Wasted
Win a Long Game on Biohazard on Hell on Earth Difficulty.
Warehouse Janitor
Win a Long Game on Crash on Normal Difficulty.
Warehouse Forklift Operator
Win a Long Game on Crash on Hard Difficulty.
Warehouse Foreman
Win a Long Game on Crash on Suicidal Difficulty.
Warehouse Manager
Win a Long Game on Crash on Hell on Earth Difficulty.
Departure Gallery
Win a Long Game on Departed on Normal Difficulty.
Departure Gate
Win a Long Game on Departed on Suicidal Difficulty.
Dear Departed
Win a Long Game on Departed on Hell on Earth Difficulty.
Running Late
Win a Long Game on Filth's Cross on Normal Difficulty.
Missed Connection
Win a Long Game on Filth's Cross on Hard Difficulty.
Train Wreck
Win a Long Game on Filth's Cross on Suicidal Difficulty.
Pile Up
Win a Long Game on Filth's Cross on Hell on Earth Difficulty.
Gimme a Plaster!
Win a Long Game on Hospital Horrors on Normal Difficulty.
That Bloody Well Hurts!
Win a Long Game on Hospital Horrors on Hard Difficulty.
I'm Dying Here!
Win a Long Game on Hospital Horrors on Suicidal Difficulty.
Not Dead Yet!
Win a Long Game on Hospital Horrors on Hell on Earth Difficulty.
Ice Cube
Win a Long Game on Icebreaker on Normal Difficulty.
Iceberg
Win a Long Game on Icebreaker on Suicidal Difficulty.
Comet
Win a Long Game on Icebreaker on Hell on Earth Difficulty.
Daytrip
Win a Long Game on Mountain Pass on Normal Difficulty.
Mountaineer
Win a Long Game on Mountain Pass on Suicidal Difficulty.
Park Ranger
Win a Long Game on Mountain Pass on Hell on Earth Difficulty.
Neighborhood Watch
Win a Long Game on Suburbia on Normal Difficulty.
Private Security
Win a Long Game on Suburbia on Hard Difficulty.
Vigilante
Win a Long Game on Suburbia on Suicidal Difficulty.
SWAT
Win a Long Game on Suburbia on Hell on Earth Difficulty.
Burst Pipe
Win a Long Game on Waterworks on Hard Difficulty.
Pressure Failure
Win a Long Game on Waterworks on Suicidal Difficulty.
Floodgate to Hell
Win a Long Game on Waterworks on Hell on Earth Difficulty.
Piece of Cake
Complete all new map achievements on Normal Difficulty.
Pound Cake
Complete all new map achievements on Hard Difficulty.
Fruit Cake
Complete all new map achievements on Suicidal Difficulty.
Devil Cake
Complete all new map achievements on Hell On Earth Difficulty.
Walking in A Winter Horror Land
Win a Long Game on Santa's Evil Lair on Normal Difficulty.
I'm Dreaming of a Red Christmas
Win a Long Game on Santa's Evil Lair on Suicidal Difficulty.
Grandma got Eaten by a Reindeer
Win a Long Game on Santa's Evil Lair on Hell on Earth Difficulty.
Merry Friggin Christmas
[2010 Xmas] Kill the Christmas Patriarch.
Cracked the Nutcracker!
[2010 Xmas] Land the killing blow on a Christmas Fleshpound with a Knife.
Can't Catch Me!
[2010 Xmas] Kill 2 Christmas Gorefasts with a Melee weapon from behind in one wave.
Toasted Jack Frost
[2010 Xmas] Kill the Christmas Scrake with a Fire-based weapon.
That's not Santa!
[2010 Xmas] Kill 3 Christmas Bloats with the Bullpup in one wave.
Rudolph, the Bloody Nosed Reindeer
[2010 Xmas] Kill a Christmas Crawler with a Crossbow.
Not So Silent Night
[2010 Xmas] Kill a Christmas Siren with an undetonated LAW rocket.
Fending off Mrs. Claws
[2010 Xmas] Kill 3 Christmas Stalkers with a Lever Action Rifle without reloading.
Who Brings a Gun to a Snow Ball Fight?
[2010 Xmas] Kill a Christmas Husk with any Pistol.
Deck the Halls with Buckets o' Blood
[2010 Xmas] Kill 3 Christmas Zeds in 1 ZED time chain with a Melee weapon.
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).
Eggnog Anyone?
[2010 Xmas] Get covered in Christmas Bloat Bile and live for 10 seconds on Hard, Suicidal, or Hell on Earth.
Bad Santa
Unlock 10 of the 13 Christmas Achievements along with any Christmas Map achievement.
Back to Work
[2010 Xmas] Kill 20 Christmas Clots in one wave.
Uber Tuber
Expensive but delicious! Brought to you by Dr. Dougley and Lord Ned.
This is a Triumph
Win a Long Game on Aperture on Suicidal Difficulty.
I'm Making a Note Here, Huge Success
Win a Long Game on Aperture on Hell on Earth Difficulty.
Flea Circus
Win a Long Game on Abusement Park on Normal Difficulty.
3 Ring Circus
Win a Long Game on Abusement Park on Suicidal Difficulty.
On Top of the Big Top
Win a Long Game on Abusement Park on Hell on Earth Difficulty.
Elephant Gun
Land the killing blow on a Circus Fleshpound with a Pistol.
Juggling Act
Drop 5 different Tier 2 weapons in one wave.
Sparkling in the Twilight
Kill The Vampire Patriarch Ringmaster in Bedlam
Carving The Jack O' Lantern
Decapitate a burning Halloween specimen in Bedlam
The Scene is Zed
Kill 250 Halloween Specimens in Bedlam
Zed October
Win a Long Bedlam Match During the Halloween Event on Hard
This is No Ordinary Rabbit!
Kill 25 Halloween Scrakes in Bedlam
Trick, not Treat
Kill 5 Halloween Specimens with any gun without reloading
Rule The Roost
Get all 6 achievements and unlock Commando Chicken
Burning Irony
Kill 15 Husks with the Husk Cannon
Highlander
Kill a Scrake, a Fleshpound, and the Patriarch with the Claymore Sword within one map
Finish Him
Hit a Scrake with the M203 Rifle grenade to kill him
Italian Meat Pasta
Kill 12 zeds with a full magazine from the Combat Shotgun
Feeling Lucky?
Kill a specimen with every shot from your Revolver for one magazine
Snow Cone
Beat Ice Cave on Normal
Stay Frosty
Beat Ice Cave on Hard
On the Rocks
Beat Ice Cave on Suicidal
Anti Freeze
Beat Ice Cave on Hell on Earth
A Bloody Christmas Carol
Kill 15 XMas Clots, 5 xmas Stalkers, 5 XMas Crawlers, 1 XMas Siren and 1 XMas Bloat.
Spec Ops
Kill 12 clots with one magazine without reloading (MK23)
Fugly
Kill one of each type of zed in one round (HSG Shotgun)
The Big One
Kill 2 scrakes with one shot (M99)
Demonic Road
Beat Hellride on Suicidal
Devil's Co-pilot
Beat Hellride on Hell on Earth
Explosion of Love
Heal yourself plus 5 other players with one grenade
Trench Warfare
Set a total of 200 Zeds on fire with the Trench Gun in Hillbilly Horror
0 / 200
Third Cousins
Beat Hillbilly Horror on Normal
Second Cousins
Beat Hillbilly Horror on Hard
First Cousins (Once Removed)
Beat Hillbilly Horror on Suicidal
First Cousins
Beat Hillbilly Horror on Hell on Earth
Grim Reaper
Get the 6 Special Halloween Achievements plus 1 Hillbilly Horror Map Achievement to unlock the Grim Reaper
Soul Collector
Free the souls of the 25 Gnomes hidden on Hillbilly Horror in 1 game
Meet Your Maker!
Kill 1000 Hillbilly Zeds
0 / 1,000
Creepy Crawlies
Kill 15 Hillbilly Crawlers in 1 game with the Tommy Gun or MKb42
Rippin' It Up
Kill a Hillbilly Husk and another Hillbilly Zed in the same shot with the Buzzsaw Bow or M99
I Am Become Death
Kill 5 Hillbilly Zeds in 10 seconds with the Scythe or Axe
Fiery Personality
Set 3 Hillbilly Gorefasts on fire with the Flare Pistol or Trench Gun
Have my axe
Kill 30 Fleshpounds with the Dwarfs!? axe with back attacks
0 / 30
One Small Step for Man
Kill 500 Zeds with the Schneidzekk Medic Gun while you are falling
0 / 500
But It's All Red!
Collect all 16 Z.E.D. Gun pieces
Game Over, Man!
Have 20 Zeds you slowed with the Z.E.D. gun killed
0 / 20
Here is to us
Beat Moonbase on Normal
Amusing Death
Beat Moonbase on Suicidal
One Giant Leap (Back) for Mankind
Beat Moonbase on Hell on Earth
Gimli That Axe!
Get the Not-a-war-hammer Achievement in Dwarfs!?
