Unlocked: Mar 1, 2012 8:45am
Pub Crawl
Win a Long Game on West London on Normal Difficulty.
Unlocked: Feb 23, 2012 6:52am
Lord of the Manor
Win a Long Game on Manor on Normal Difficulty.
Unlocked: Feb 24, 2012 8:55pm
Lab Cleaner
Win a Long Game on Biotics Lab on Normal Difficulty.
Unlocked: Mar 14, 2012 6:23pm
Chicken Farmer
Win a Long Game on Farm on Normal Difficulty.
Unlocked: Feb 23, 2012 5:04pm
The Boss
Win a Long Game on Offices on Normal Difficulty.
Unlocked: Mar 14, 2012 6:23pm
The Long War
Complete a Long Game on all 5 Core Maps on Normal Difficulty.
Unlocked: Feb 20, 2012 6:51pm
Experimenticenticide
Kill 100 Specimens.
Unlocked: Feb 26, 2012 4:05pm
Fascist Dietitian
Kill 200 Bloats.
Unlocked: Feb 25, 2012 7:02pm
Homer's Heroes
Kill 100 Sirens.
Unlocked: Mar 12, 2012 6:44pm
Keep Those Sneakers Off the Floor!
Kill 20 Stalkers with Explosives.
Unlocked: Mar 12, 2012 6:42pm
Random Axe of Kindness
Kill 15 Specimens with a Fire Axe in a Single Wave.
Unlocked: Mar 29, 2012 12:44pm
Bitter Irony
Kill 2 Scrakes with a Chainsaw in a Single Wave.
Unlocked: Jun 10, 2012 10:42pm
Hot Cross Fun
Kill 25 Burning Specimens with a Crossbow.
Unlocked: Apr 13, 2012 8:48pm
Dignity for the Dead
Kill 10 Specimens Feeding on Dead Teammates Corpses.
Unlocked: Feb 20, 2012 6:01pm
Social Outburst
Kill 8 Specimens with One Grenade.
Unlocked: Mar 15, 2012 12:58pm
Careful Spender
Kill 4 Specimens with a Single Shot from a Hunting Shotgun.
Unlocked: Feb 20, 2012 6:03pm
It's Not Easy Being Greasy
Cause a Specimen to Die by Luring them into Bloat Acid.
Unlocked: Mar 12, 2012 9:04pm
Too Close For Comfort
Finish off a Fleshpound using a Melee Attack.
Unlocked: May 20, 2012 9:23pm
Master Surgeon
As a Medic, Kill 8 Specimens using a Knife in a Single Wave.
Unlocked: Mar 11, 2012 9:59pm
It's What's Inside That Counts
Turn 500 Specimens into Giblets.
Unlocked: Feb 23, 2012 4:50pm
Quarter Pounder With Ease
Turn 5 Fleshpounds into Giblets.
Unlocked: Feb 23, 2012 4:06am
Self Medicator
In Co-op Mode, Use Syringe on Yourself 100 Times.
Unlocked: Feb 29, 2012 6:22pm
Thin-Ice Pirouette
Complete 10 Waves when the Rest of your Team has Died.
Unlocked: Feb 20, 2012 8:14pm
Philanthropist
Give 1,000 Pounds to Teammates who have 50% of Your Cash or Less.
Unlocked: Mar 8, 2012 7:35pm
I Like To Watch
Aquire 5 Minutes of "Zed-Time".
Unlocked: May 29, 2012 4:51pm
Mr. Perky
Get All of your Perks up to Level 5.
Unlocked: Feb 23, 2012 4:14pm
Straight Rush
Kill the Patriarch Before he has a Chance to Heal.
Unlocked: Mar 7, 2012 12:42am
The L.A.W. That Broke The Camel's Back
Deliver the Killing Blow to the Patriarch with a L.A.W. Rocket.
Unlocked: Apr 14, 2012 8:12pm
Death To The Mad Scientist
Defeat the Patriarch on Suicidal.
Unlocked: Feb 23, 2012 2:52am
Experimentimillicide
Kill 1,000 Specimens.
Unlocked: Feb 28, 2012 8:18pm
Experimentilottacide
Kill 10,000 Specimens.
Unlocked: Mar 28, 2012 1:05am
Hard Pub Crawl
Win a Long Game on West London on Hard Difficulty.
Unlocked: Mar 28, 2012 6:03pm
Duke of the Manor
Win a Long Game on Manor on Hard Difficulty.
Unlocked: Aug 16, 2012 9:43pm
Cattle Farmer
Win a Long Game on Farm on Hard Difficulty.
Unlocked: Feb 28, 2012 10:45am
Lab Assistant
Win a Long Game on Biotics Lab on Hard Difficulty.
Unlocked: Apr 14, 2012 9:03pm
Lab Professor
Win a Long Game on Biotics Lab on Suicidal Difficulty.
Unlocked: Dec 5, 2012 8:16pm
Tin Man
Win a Long Game on Foundry, on Normal Difficulty.
Unlocked: Aug 2, 2012 3:05pm
Steel Worker
Win a Long Game on Foundry, on Hard Difficulty.
Unlocked: Feb 23, 2012 4:14pm
A Bit Barmy
Win a Long Game on Bedlam, on Normal Difficulty.
Unlocked: Aug 11, 2012 11:04pm
Gone Mental
Win a Long Game on Bedlam, on Hard Difficulty.
Unlocked: Mar 12, 2012 6:23pm
Squirrel King of the Dark Forest
Win a Long Game on Wyre, on Normal Difficulty.
Unlocked: Dec 5, 2012 8:16pm
Long, Hot Summer
Complete a Long Game on all 3 Summer 2009 maps on Normal Difficulty.
Unlocked: Dec 17, 2012 3:08pm
Explosive Personality
As Demolitions, kill 1000 Specimens with the Pipebomb.
Unlocked: Feb 23, 2012 2:42am
Flaming Hell, That was Close
As Firebug, kill the Husk with the Flamethrower before he hurts anyone.
Unlocked: May 24, 2012 8:14pm
Merry Men
Kill the Patriarch when everyone is ONLY using Crossbows.
Unlocked: Dec 17, 2012 12:34pm
Blooper Reel
Turn 500 Zeds into Giblets using the M79.
Unlocked: Dec 17, 2012 2:21pm
Dot of Doom
Get 25 headshots in a row with the EBR while using the Laser Sight.
Unlocked: Apr 30, 2012 2:04pm
SCAR'd
Kill 1000 Specimens with the SCAR.
Unlocked: May 5, 2012 7:57pm
Healing Touch
Heal 200 teammates with the MP7's medication dart.
Unlocked: Dec 17, 2012 2:58pm
Pound This
Kill 100 Fleshpounds with the AA12.
Unlocked: Mar 14, 2012 5:15pm
Killer Junior
Kill 20 crawlers in mid-air with the M79.
Unlocked: Mar 18, 2012 8:04pm
Getting Chunky
Obliterate 10 Zeds at once with the Pipe Bomb.
Unlocked: Mar 7, 2012 12:04am
Waste Disposal
Win a Long Game on Biohazard on Normal Difficulty.
Unlocked: Mar 26, 2012 6:21pm
Waste Land
Win a Long Game on Biohazard on Hard Difficulty.
Unlocked: Feb 23, 2012 3:45am
Warehouse Janitor
Win a Long Game on Crash on Normal Difficulty.
Unlocked: Aug 16, 2012 7:26pm
Warehouse Forklift Operator
Win a Long Game on Crash on Hard Difficulty.
Unlocked: Feb 29, 2012 6:38pm
Departure Gallery
Win a Long Game on Departed on Normal Difficulty.
Unlocked: Mar 13, 2012 10:57am
Departure Lounge
Win a Long Game on Departed on Hard Difficulty.
Unlocked: Mar 8, 2012 6:18pm
Running Late
Win a Long Game on Filth's Cross on Normal Difficulty.
Unlocked: Mar 6, 2012 12:55am
Gimme a Plaster!
Win a Long Game on Hospital Horrors on Normal Difficulty.
Unlocked: Mar 6, 2012 12:22am
Ice Cube
Win a Long Game on Icebreaker on Normal Difficulty.
Unlocked: Apr 1, 2012 8:55pm
Crushed Ice
Win a Long Game on Icebreaker on Hard Difficulty.
Unlocked: Mar 8, 2012 4:15pm
Daytrip
Win a Long Game on Mountain Pass on Normal Difficulty.
Unlocked: Mar 26, 2012 6:28am
Gone Camping
Win a Long Game on Mountain Pass on Hard Difficulty.
Unlocked: Mar 5, 2012 5:26pm
Neighborhood Watch
Win a Long Game on Suburbia on Normal Difficulty.
Unlocked: Mar 6, 2012 10:44pm
Slight Drip
Win a Long Game on Waterworks on Normal Difficulty.
Unlocked: Mar 8, 2012 6:18pm
Piece of Cake
Complete all new map achievements on Normal Difficulty.
Unlocked: Feb 26, 2012 2:54pm
Let Them Burn
Get 1000 points of burn damage with the MAC-10.
Unlocked: Mar 21, 2012 8:26pm
Walking in A Winter Horror Land
Win a Long Game on Santa's Evil Lair on Normal Difficulty.
Unlocked: May 4, 2012 6:14pm
Silent Night, Evil Night
Win a Long Game on Santa's Evil Lair on Hard Difficulty.
Unlocked: Dec 13, 2012 8:11am
Merry Friggin Christmas
[2010 Xmas] Kill the Christmas Patriarch.
Unlocked: Dec 15, 2012 6:34pm
Cracked the Nutcracker!
[2010 Xmas] Land the killing blow on a Christmas Fleshpound with a Knife.
Unlocked: Dec 13, 2012 10:08pm
Can't Catch Me!
[2010 Xmas] Kill 2 Christmas Gorefasts with a Melee weapon from behind in one wave.
Unlocked: Dec 13, 2012 9:47pm
Toasted Jack Frost
[2010 Xmas] Kill the Christmas Scrake with a Fire-based weapon.
Unlocked: Dec 13, 2012 10:25pm
That's not Santa!
[2010 Xmas] Kill 3 Christmas Bloats with the Bullpup in one wave.
Unlocked: Dec 13, 2012 8:14pm
Rudolph, the Bloody Nosed Reindeer
[2010 Xmas] Kill a Christmas Crawler with a Crossbow.
Unlocked: Dec 14, 2012 1:32pm
Not So Silent Night
[2010 Xmas] Kill a Christmas Siren with an undetonated LAW rocket.
Unlocked: Dec 13, 2012 7:58pm
Fending off Mrs. Claws
[2010 Xmas] Kill 3 Christmas Stalkers with a Lever Action Rifle without reloading.
Unlocked: Dec 13, 2012 10:10am
Who Brings a Gun to a Snow Ball Fight?
[2010 Xmas] Kill a Christmas Husk with any Pistol.
Unlocked: Dec 13, 2012 3:50pm
Deck the Halls with Buckets o' Blood
[2010 Xmas] Kill 3 Christmas Zeds in 1 ZED time chain with a Melee weapon.
Unlocked: Dec 14, 2012 12:10pm
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).
Unlocked: Dec 13, 2012 8:33am
Eggnog Anyone?
[2010 Xmas] Get covered in Christmas Bloat Bile and live for 10 seconds on Hard, Suicidal, or Hell on Earth.
Unlocked: Dec 13, 2012 10:25pm
Bad Santa
Unlock 10 of the 13 Christmas Achievements along with any Christmas Map achievement.
Unlocked: Dec 13, 2012 7:14pm
Back to Work
[2010 Xmas] Kill 20 Christmas Clots in one wave.
Unlocked: Jun 23, 2012 9:53pm
Uber Tuber
Expensive but delicious! Brought to you by Dr. Dougley and Lord Ned.
Unlocked: Mar 17, 2012 12:27pm
Science Got Done
Win a Long Game on Aperture on Normal Difficulty.
Unlocked: Mar 9, 2012 6:12pm
Still Alive
Win a Long Game on Aperture on Hard Difficulty.
Unlocked: Jun 14, 2012 9:30pm
Golden Potato
Get into GLaDOS' core on Aperture.
Unlocked: Jun 14, 2012 10:23pm
Dog and Pony Show
Win a Long Game on Abusement Park on Hard Difficulty.
Unlocked: Jul 6, 2012 6:10pm
Ringmaster
Kill the "Ring Leader"(Circus Patriarch)
Unlocked: Jul 5, 2012 8:40pm
Sparing with a Master
Kill a Circus Gorefast with a Melee weapon.
Unlocked: Jul 6, 2012 8:44pm
Seeing Double
Kill 5 Circus Crawlers with a Bullpup in one wave.
Unlocked: Jul 6, 2012 6:45pm
Clearing Clown Alley
Kill 5 Circus Bloats in one game.
Unlocked: Jul 6, 2012 5:41pm
Small Hands
Kill 3 Circus Clots in a wave with the Lever Action Rifle.
Unlocked: Jul 7, 2012 10:29pm
Elephant Gun
Land the killing blow on a Circus Fleshpound with a Pistol.
Unlocked: Jul 6, 2012 8:48pm
Windjammer Enthusiast
Survive 10 seconds after being screamed at by at Circus Siren on Hard or above.
Unlocked: Jul 6, 2012 5:38pm
Taking Down the Big Top
Kill 4 Circus Zeds in 1 ZED time chain with a Melee weapon.
Unlocked: Dec 14, 2012 11:54am
Carving The Jack O' Lantern
Decapitate a burning Halloween specimen in Bedlam
Unlocked: Aug 1, 2012 7:19pm
Rule The Roost
Get all 6 achievements and unlock Commando Chicken
Unlocked: Dec 16, 2012 11:10am
Burning Irony
Kill 15 Husks with the Husk Cannon
Unlocked: Dec 15, 2012 8:51pm
Highlander
Kill a Scrake, a Fleshpound, and the Patriarch with the Claymore Sword within one map
Unlocked: Mar 12, 2012 12:13pm
Bloody Yanks
Kill 1 specimen ONLY while expending a full M4 Assault Rifle magazine
Unlocked: Dec 14, 2012 2:00pm
Finish Him
Hit a Scrake with the M203 Rifle grenade to kill him
Unlocked: Jun 2, 2012 8:40pm
I love ze Healing not ze Hurting
Heal others for 3000 points of health with the MP5 SMG
Unlocked: Apr 8, 2012 3:26pm
Italian Meat Pasta
Kill 12 zeds with a full magazine from the Combat Shotgun
Unlocked: May 7, 2012 5:10pm
Feeling Lucky?
Kill a specimen with every shot from your Revolver for one magazine
Unlocked: May 7, 2012 4:16pm
We Have Ourselves a Cowboy
Hold dual 9mm, dual hand cannons and Dual Revolvers
Unlocked: Mar 27, 2012 5:01pm
Snow Cone
Beat Ice Cave on Normal
Unlocked: Jun 23, 2012 7:01pm
Stay Frosty
Beat Ice Cave on Hard
Unlocked: Dec 13, 2012 3:52pm
A Bloody Christmas Carol
Kill 15 XMas Clots, 5 xmas Stalkers, 5 XMas Crawlers, 1 XMas Siren and 1 XMas Bloat.
Unlocked: Oct 24, 2012 2:30pm
Spec Ops
Kill 12 clots with one magazine without reloading (MK23)
Unlocked: Jul 29, 2012 5:12pm
Combat Medic
Kill a zed that has injured a player (M7A3 rifle)
Unlocked: Dec 17, 2012 10:54am
Fugly
Kill one of each type of zed in one round (HSG Shotgun)
Unlocked: Jul 6, 2012 8:27pm
British Superiority
Kill a zed each with both the Bullpup and FN-Fal
Unlocked: Dec 17, 2012 2:27pm
The Big One
Kill 2 scrakes with one shot (M99)
Unlocked: Jul 6, 2012 6:10pm
Highway to Heaven
Beat Hellride on Normal
Unlocked: Jul 7, 2012 4:32pm
Stuck in Limbo
Beat Hellride on Hard
Unlocked: Oct 24, 2012 2:26pm
Historical Remnants
Kill 6 Zeds with one magazine on an MKb42, without reloading
Unlocked: Oct 26, 2012 10:51am
Nail'd!
Kill 4 Stalkers in a game with the Vlad9000 Nailgun
Unlocked: Oct 25, 2012 12:29pm
Third Cousins
Beat Hillbilly Horror on Normal
Unlocked: Oct 25, 2012 4:14pm
Second Cousins
Beat Hillbilly Horror on Hard
Unlocked: Oct 25, 2012 12:29pm
Grim Reaper
Get the 6 Special Halloween Achievements plus 1 Hillbilly Horror Map Achievement to unlock the Grim Reaper
Unlocked: Oct 24, 2012 9:57pm
Soul Collector
Free the souls of the 25 Gnomes hidden on Hillbilly Horror in 1 game
Unlocked: Oct 24, 2012 5:18pm
Meet Your Maker!
Kill 1000 Hillbilly Zeds
Unlocked: Oct 24, 2012 6:52pm
Creepy Crawlies
Kill 15 Hillbilly Crawlers in 1 game with the Tommy Gun or MKb42
Unlocked: Oct 24, 2012 2:37pm
Rippin' It Up
Kill a Hillbilly Husk and another Hillbilly Zed in the same shot with the Buzzsaw Bow or M99
Unlocked: Oct 24, 2012 2:12pm
I Am Become Death
Kill 5 Hillbilly Zeds in 10 seconds with the Scythe or Axe
Unlocked: Oct 24, 2012 2:31pm
Fiery Personality
Set 3 Hillbilly Gorefasts on fire with the Flare Pistol or Trench Gun
Unlocked: Dec 17, 2012 2:46pm
Have my axe
Kill 30 Fleshpounds with the Dwarfs!? axe with back attacks
Unlocked: Dec 17, 2012 10:34am
One Small Step for Man
Kill 500 Zeds with the Schneidzekk Medic Gun while you are falling
Unlocked: Dec 13, 2012 9:31am
But It's All Red!
Collect all 16 Z.E.D. Gun pieces
Unlocked: Dec 14, 2012 1:04pm
Game Over, Man!
Have 20 Zeds you slowed with the Z.E.D. gun killed
Unlocked: Dec 13, 2012 8:27pm
Here is to us
Beat Moonbase on Normal
Unlocked: Dec 13, 2012 8:11am
Attempting Re-entry
Beat Moonbase on Hard
Unlocked: Dec 13, 2012 9:50am
Amusing Death
Beat Moonbase on Suicidal
Unlocked: Dec 14, 2012 10:32am
Gimli That Axe!
Get the Not-a-war-hammer Achievement in Dwarfs!?
Hard Boss
Win a Long Game on Offices 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.
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.
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 of Space
Win a Long Game on Biohazard on Suicidal Difficulty.
Wasted
Win a Long Game on Biohazard on Hell on Earth 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 Gate
Win a Long Game on Departed on Suicidal Difficulty.
Dear Departed
Win a Long Game on Departed on Hell on Earth 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.
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.
Iceberg
Win a Long Game on Icebreaker on Suicidal Difficulty.
Comet
Win a Long Game on Icebreaker on Hell on Earth 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.
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.
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.
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.
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.
Assistant Homicide
Kill 2 Circus Stalkers with a Melee weapon to the back in one wave.
The Big Hunt
Kill a Circus Scrake with a Crossbow.
Lifting a Dumbell
Kill a Circus Husk with a LAW.
Juggling Act
Drop 5 different Tier 2 weapons in one wave.
Burning up the Midway
Kill 10 Circus Clots with a Fire-based weapon.
Punk'd
Unlock 10 of the 13 Circus Achievements along with any Abusement Park achievement.
Sparkling in the Twilight
Kill The Vampire Patriarch Ringmaster 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
On the Rocks
Beat Ice Cave on Suicidal
Anti Freeze
Beat Ice Cave on Hell on Earth
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
63 / 200
First Cousins (Once Removed)
Beat Hillbilly Horror on Suicidal
First Cousins
Beat Hillbilly Horror on Hell on Earth
One Giant Leap (Back) for Mankind
Beat Moonbase on Hell on Earth
