TermoHead's Killing Floor Achievement Progress

Pub Crawl

Win a Long Game on West London on Normal Difficulty.

Unlocked 20 May, 2013 @ 4:05pm

Lord of the Manor

Win a Long Game on Manor on Normal Difficulty.

Unlocked 21 May, 2013 @ 9:12pm

Lab Cleaner

Win a Long Game on Biotics Lab on Normal Difficulty.

Unlocked 24 Feb, 2013 @ 8:55pm

Chicken Farmer

Win a Long Game on Farm on Normal Difficulty.

Unlocked 14 May, 2013 @ 9:56pm

The Boss

Win a Long Game on Offices on Normal Difficulty.

Unlocked 23 May, 2013 @ 7:49pm

The Long War

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

Unlocked 5 May, 2013 @ 11:48pm

Experimenticenticide

Kill 100 Specimens.

Unlocked 27 Oct, 2012 @ 10:16pm

Fascist Dietitian

Kill 200 Bloats.

Unlocked 22 May, 2013 @ 9:39pm

Homer's Heroes

Kill 100 Sirens.

Unlocked 21 May, 2013 @ 2:06pm

Keep Those Sneakers Off the Floor!

Kill 20 Stalkers with Explosives.

Unlocked 21 May, 2013 @ 2:46pm

Random Axe of Kindness

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

Unlocked 6 May, 2013 @ 9:42pm

Bitter Irony

Kill 2 Scrakes with a Chainsaw in a Single Wave.

Unlocked 22 Nov, 2013 @ 1:14pm

Hot Cross Fun

Kill 25 Burning Specimens with a Crossbow.

Unlocked 10 Jun, 2013 @ 8:22pm

Social Outburst

Kill 8 Specimens with One Grenade.

Unlocked 5 May, 2013 @ 11:09pm

Careful Spender

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

Unlocked 25 May, 2013 @ 10:30pm

It's Not Easy Being Greasy

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

Unlocked 27 Oct, 2012 @ 10:17pm

Too Close For Comfort

Finish off a Fleshpound using a Melee Attack.

Unlocked 5 May, 2013 @ 11:24pm

Master Surgeon

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

Unlocked 30 May, 2013 @ 3:34pm

It's What's Inside That Counts

Turn 500 Specimens into Giblets.

Unlocked 27 May, 2013 @ 7:07pm

Quarter Pounder With Ease

Turn 5 Fleshpounds into Giblets.

Unlocked 25 May, 2013 @ 10:43pm

Self Medicator

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

Unlocked 6 May, 2013 @ 8:43pm

Thin-Ice Pirouette

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

Unlocked 26 May, 2013 @ 4:29pm

Philanthropist

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

Unlocked 21 May, 2013 @ 2:26pm

I Like To Watch

Aquire 5 Minutes of "Zed-Time".

Unlocked 5 May, 2013 @ 11:41pm

Mr. Perky

Get All of your Perks up to Level 5.

Unlocked 2 Dec, 2013 @ 6:06am

Straight Rush

Kill the Patriarch Before he has a Chance to Heal.

Unlocked 5 May, 2013 @ 10:24pm

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

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

Unlocked 5 May, 2013 @ 10:24pm

Death To The Mad Scientist

Defeat the Patriarch on Suicidal.

Unlocked 29 May, 2013 @ 10:28pm

Experimentimillicide

Kill 1,000 Specimens.

Unlocked 24 Feb, 2013 @ 9:57pm

Experimentilottacide

Kill 10,000 Specimens.

Unlocked 23 May, 2013 @ 7:46pm

Hard Pub Crawl

Win a Long Game on West London on Hard Difficulty.

Unlocked 24 May, 2013 @ 11:38am

Duke of the Manor

Win a Long Game on Manor on Hard Difficulty.

Unlocked 31 May, 2013 @ 10:39am

Cattle Farmer

Win a Long Game on Farm on Hard Difficulty.

Unlocked 17 Jun, 2013 @ 7:48pm

Hard Boss

Win a Long Game on Offices on Hard Difficulty.

Unlocked 23 May, 2013 @ 2:17pm

Lab Assistant

Win a Long Game on Biotics Lab on Hard Difficulty.

Unlocked 22 May, 2013 @ 10:45pm

The Hard War

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

Unlocked 17 Jun, 2013 @ 7:48pm

Suicidal Pub Crawl

Win a Long Game on West London on Suicidal Difficulty.

Unlocked 7 Jul, 2013 @ 9:45pm

Emperor of the Manor

Win a Long Game on Manor on Suicidal Difficulty.

Unlocked 17 Aug, 2013 @ 12:43am

Alligator Farmer

Win a Long Game on Farm on Suicidal Difficulty.

Unlocked 10 Jan, 2014 @ 5:49pm

Lab Professor

Win a Long Game on Biotics Lab on Suicidal Difficulty.

Unlocked 20 Aug, 2013 @ 9:49pm

Tin Man

Win a Long Game on Foundry, on Normal Difficulty.

Unlocked 21 May, 2013 @ 2:34pm

Steel Worker

Win a Long Game on Foundry, on Hard Difficulty.

Unlocked 29 Dec, 2013 @ 3:09pm

A Bit Barmy

Win a Long Game on Bedlam, on Normal Difficulty.

Unlocked 28 Dec, 2013 @ 8:46pm

Gone Mental

Win a Long Game on Bedlam, on Hard Difficulty.

Unlocked 1 Jul, 2013 @ 7:43pm

Squirrel King of the Dark Forest

Win a Long Game on Wyre, on Normal Difficulty.

Unlocked 28 Dec, 2013 @ 11:45am

Raccoon King of the Dark Forest

Win a Long Game on Wyre, on Hard Difficulty.

Unlocked 17 Nov, 2013 @ 5:47pm

Long, Hot Summer

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

Unlocked 28 Dec, 2013 @ 8:46pm

Summer of 2009

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

Unlocked 29 Dec, 2013 @ 3:09pm

Flaming Hell, That was Close

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

Unlocked 28 Oct, 2012 @ 5:38pm

Blooper Reel

Turn 500 Zeds into Giblets using the M79.

Unlocked 5 Jun, 2013 @ 10:00pm

Dot of Doom

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

Unlocked 22 Aug, 2013 @ 6:22pm

SCAR'd

Kill 1000 Specimens with the SCAR.

Unlocked 6 Jun, 2013 @ 8:45pm

Healing Touch

Heal 200 teammates with the MP7's medication dart.

Unlocked 23 May, 2013 @ 10:44pm

Pound This

Kill 100 Fleshpounds with the AA12.

Unlocked 1 May, 2014 @ 12:56pm

Killer Junior

Kill 20 crawlers in mid-air with the M79.

Unlocked 5 Jun, 2013 @ 10:02pm

Getting Chunky

Obliterate 10 Zeds at once with the Pipe Bomb.

Unlocked 31 May, 2013 @ 2:40pm

Demonic King of the Manor

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

Unlocked 25 Dec, 2015 @ 3:27pm

Demon Farmer

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

Unlocked 29 Sep, 2016 @ 5:14pm

Waste Disposal

Win a Long Game on Biohazard on Normal Difficulty.

Unlocked 29 Dec, 2013 @ 7:51pm

Waste Land

Win a Long Game on Biohazard on Hard Difficulty.

Unlocked 23 May, 2013 @ 4:01pm

Waste of Space

Win a Long Game on Biohazard on Suicidal Difficulty.

Unlocked 5 Apr, 2014 @ 12:47pm

Warehouse Janitor

Win a Long Game on Crash on Normal Difficulty.

Unlocked 25 May, 2013 @ 7:56pm

Warehouse Forklift Operator

Win a Long Game on Crash on Hard Difficulty.

Unlocked 6 Jun, 2013 @ 1:09pm

Warehouse Foreman

Win a Long Game on Crash on Suicidal Difficulty.

Unlocked 2 Apr, 2014 @ 8:22pm

Departure Gallery

Win a Long Game on Departed on Normal Difficulty.

Unlocked 26 May, 2013 @ 5:24pm

Departure Lounge

Win a Long Game on Departed on Hard Difficulty.

Unlocked 5 May, 2013 @ 10:24pm

Running Late

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

Unlocked 21 May, 2013 @ 3:18pm

Missed Connection

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

Unlocked 29 Dec, 2013 @ 12:17pm

Gimme a Plaster!

Win a Long Game on Hospital Horrors on Normal Difficulty.

Unlocked 25 May, 2013 @ 9:34pm

That Bloody Well Hurts!

Win a Long Game on Hospital Horrors on Hard Difficulty.

Unlocked 12 Jan, 2014 @ 10:38am

Ice Cube

Win a Long Game on Icebreaker on Normal Difficulty.

Unlocked 23 May, 2013 @ 10:10pm

Crushed Ice

Win a Long Game on Icebreaker on Hard Difficulty.

Unlocked 28 Dec, 2013 @ 9:42pm

Iceberg

Win a Long Game on Icebreaker on Suicidal Difficulty.

Unlocked 5 Apr, 2014 @ 1:45pm

Daytrip

Win a Long Game on Mountain Pass on Normal Difficulty.

Unlocked 14 May, 2013 @ 9:07pm

Gone Camping

Win a Long Game on Mountain Pass on Hard Difficulty.

Unlocked 2 Jun, 2013 @ 10:18pm

Park Ranger

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

Unlocked 25 Dec, 2015 @ 5:05pm

Neighborhood Watch

Win a Long Game on Suburbia on Normal Difficulty.

Unlocked 26 May, 2013 @ 6:13pm

Private Security

Win a Long Game on Suburbia on Hard Difficulty.

Unlocked 24 Jul, 2013 @ 7:49pm

Slight Drip

Win a Long Game on Waterworks on Normal Difficulty.

Unlocked 12 Jan, 2014 @ 3:33pm

Burst Pipe

Win a Long Game on Waterworks on Hard Difficulty.

Unlocked 13 Jan, 2014 @ 5:58pm

Piece of Cake

Complete all new map achievements on Normal Difficulty.

Unlocked 12 Jan, 2014 @ 3:33pm

Pound Cake

Complete all new map achievements on Hard Difficulty.

Unlocked 13 Jan, 2014 @ 5:58pm

Let Them Burn

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

Unlocked 26 May, 2013 @ 3:50pm

Walking in A Winter Horror Land

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

Unlocked 27 May, 2013 @ 9:43pm

Silent Night, Evil Night

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

Unlocked 17 Jan, 2014 @ 6:10pm

Merry Friggin Christmas

[2010 Xmas] Kill the Christmas Patriarch.

Unlocked 16 Dec, 2013 @ 2:31pm

Can't Catch Me!

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

Unlocked 16 Dec, 2013 @ 2:43pm

Toasted Jack Frost

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

Unlocked 16 Dec, 2013 @ 3:05pm

That's not Santa!

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

Unlocked 20 Dec, 2013 @ 7:13pm

Rudolph, the Bloody Nosed Reindeer

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

Unlocked 20 Dec, 2013 @ 7:31pm

Not So Silent Night

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

Unlocked 20 Dec, 2013 @ 7:37pm

Fending off Mrs. Claws

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

Unlocked 20 Dec, 2013 @ 7:29pm

Who Brings a Gun to a Snow Ball Fight?

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

Unlocked 5 Dec, 2013 @ 3:24pm

Deck the Halls with Buckets o' Blood

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

Unlocked 12 Dec, 2013 @ 4:46pm

Eggnog Anyone?

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

Unlocked 8 Dec, 2013 @ 1:45pm

Bad Santa

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

Unlocked 20 Dec, 2013 @ 7:31pm

Back to Work

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

Unlocked 5 Dec, 2013 @ 3:13pm

Science Got Done

Win a Long Game on Aperture on Normal Difficulty.

Unlocked 23 May, 2013 @ 10:55pm

Still Alive

Win a Long Game on Aperture on Hard Difficulty.

Unlocked 30 Dec, 2013 @ 5:27pm

Flea Circus

Win a Long Game on Abusement Park on Normal Difficulty.

Unlocked 24 May, 2013 @ 11:14am

Ringmaster

Kill the "Ring Leader" (Circus Patriarch)

Unlocked 3 Jul, 2013 @ 9:34pm

Sparring with a Master

Kill a Circus Gorefast with a Melee weapon.

Unlocked 4 Jul, 2013 @ 7:55pm

Assistant Homicide

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

Unlocked 4 Jul, 2013 @ 10:54pm

Seeing Double

Kill 5 Circus Crawlers with a Bullpup in one wave.

Unlocked 7 Jul, 2013 @ 4:33pm

Clearing Clown Alley

Kill 5 Circus Bloats in one game.

Unlocked 3 Jul, 2013 @ 8:57pm

The Big Hunt

Kill a Circus Scrake with a Crossbow.

Unlocked 7 Jul, 2013 @ 4:41pm

Lifting a Dumbell

Kill a Circus Husk with a LAW.

Unlocked 7 Jul, 2013 @ 4:34pm

Small Hands

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

Unlocked 7 Jul, 2013 @ 5:05pm

Elephant Gun

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

Unlocked 25 Dec, 2015 @ 4:26pm

Juggling Act

Drop 5 different Tier 2 weapons in one wave.

Unlocked 10 Oct, 2014 @ 7:47pm

Windjammer Enthusiast

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

Unlocked 4 Jul, 2013 @ 8:31pm

Taking Down the Big Top

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

Unlocked 4 Jul, 2013 @ 7:58pm

Burning up the Midway

Kill 10 Circus Clots with a Fire-based weapon.

Unlocked 5 Jul, 2013 @ 6:17pm

Punk'd

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

Unlocked 7 Jul, 2013 @ 4:41pm

Sparkling in the Twilight

Kill The Vampire Patriarch Ringmaster in Bedlam

Unlocked 1 Jul, 2013 @ 7:43pm

Carving The Jack O' Lantern

Decapitate a burning Halloween specimen in Bedlam

Unlocked 6 May, 2013 @ 9:46pm

The Scene is Zed

Kill 250 Halloween Specimens in Bedlam

Unlocked 6 May, 2013 @ 10:06pm

Zed October

Win a Long Bedlam Match During the Halloween Event on Hard

Unlocked 1 Jul, 2013 @ 7:43pm

This is No Ordinary Rabbit!

Kill 25 Halloween Scrakes in Bedlam

Unlocked 30 Sep, 2016 @ 9:53pm

Trick, not Treat

Kill 5 Halloween Specimens with any gun without reloading

Unlocked 23 Oct, 2013 @ 11:08am

Rule The Roost

Get all 6 achievements and unlock Commando Chicken

Unlocked 30 Sep, 2016 @ 9:53pm

Burning Irony

Kill 15 Husks with the Husk Cannon

Unlocked 1 Jul, 2013 @ 7:35pm

Highlander

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

Unlocked 30 May, 2013 @ 5:38pm

Bloody Yanks

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

Unlocked 5 May, 2013 @ 11:31pm

Finish Him

Hit a Scrake with the M203 Rifle grenade to kill him

Unlocked 11 Jan, 2014 @ 2:52pm

I love ze Healing not ze Hurting

Heal others for 3000 points of health with the MP5 SMG

Unlocked 30 May, 2013 @ 2:08pm

Italian Meat Pasta

Kill 12 zeds with a full magazine from the Combat Shotgun

Unlocked 6 Jun, 2013 @ 12:02pm

Feeling Lucky?

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

Unlocked 23 May, 2013 @ 1:43pm

We Have Ourselves a Cowboy

Hold dual 9mm, dual hand cannons and Dual Revolvers

Unlocked 29 Dec, 2013 @ 6:16pm

Snow Cone

Beat Ice Cave on Normal Difficulty

Unlocked 31 May, 2013 @ 11:47am

A Bloody Christmas Carol

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

Unlocked 5 Dec, 2013 @ 3:16pm

Spec Ops

Kill 12 clots with one magazine without reloading (MK23)

Unlocked 29 Dec, 2013 @ 6:19pm

Combat Medic

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

Unlocked 22 May, 2013 @ 11:14pm

British Superiority

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

Unlocked 28 Oct, 2012 @ 5:36pm

The Big One

Kill 2 scrakes with one shot (M99)

Unlocked 10 Jun, 2013 @ 5:08pm

Highway to Heaven

Beat Hellride on Normal Difficulty

Unlocked 21 May, 2013 @ 1:39pm

Historical Remnants

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

Unlocked 28 Oct, 2012 @ 6:10pm

Nail'd!

Kill 4 Stalkers in a game with the Vlad9000 Nailgun

Unlocked 30 May, 2013 @ 12:23am

Third Cousins

Beat Hillbilly Horror on Normal Difficulty

Unlocked 27 May, 2013 @ 10:27pm

Grim Reaper

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

Unlocked 4 Nov, 2013 @ 6:04pm

Soul Collector

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

Unlocked 28 May, 2013 @ 2:38pm

Meet Your Maker!

Kill 1000 Hillbilly Zeds

Unlocked 23 Oct, 2013 @ 3:05pm

Creepy Crawlies

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

Unlocked 23 Oct, 2013 @ 11:22am

Rippin' It Up

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

Unlocked 4 Nov, 2013 @ 6:04pm

I Am Become Death

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

Unlocked 24 Oct, 2013 @ 5:21pm

Fiery Personality

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

Unlocked 28 Oct, 2012 @ 5:30pm

Have my axe

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

Unlocked 1 May, 2014 @ 1:13pm

But It's All Red!

Collect all 16 Z.E.D. Gun pieces

Unlocked 16 Dec, 2013 @ 3:52pm

Game Over, Man!

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

Unlocked 31 Dec, 2013 @ 3:00pm

Here is to us

Beat Moonbase on Normal Difficulty

Unlocked 28 May, 2013 @ 2:24pm

Attempting Re-entry

Beat Moonbase on Hard Difficulty

Unlocked 17 Jun, 2013 @ 8:38pm

Gimli That Axe!

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

Unlocked 16 Jul, 2013 @ 5:52pm

Simplified Force Adhesion Afficianado

Beat Steamland in Objective Mode on Normal Difficulty

Unlocked 3 Jul, 2013 @ 9:34pm

Alpha Wave Osteooxidation Activator

Beat Steamland in Objective Mode on Suicidal Difficulty

Unlocked 15 Nov, 2013 @ 9:43pm

Arcade Gamer

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

Unlocked 9 Jul, 2013 @ 5:42pm

Full Charge

Have 5 Breaker Boxes 100% repaired at the same time

Unlocked 7 Jul, 2013 @ 1:27pm

Extended Motion Protector

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

Unlocked 3 Jul, 2013 @ 9:03pm

Guardian Assault Protector

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

Unlocked 3 Jul, 2013 @ 9:08pm

Golden 3 Crown Note

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

Unlocked 5 Jul, 2013 @ 6:39pm

Single-shot Equalizer

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

Unlocked 7 Jul, 2013 @ 4:34pm

Assault Flayer Ordinance

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

Unlocked 4 Jul, 2013 @ 8:59pm

Single-Load Doom Bombardier

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

Unlocked 7 Jul, 2013 @ 5:08pm

Turbo Executioner

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

Unlocked 24 Jul, 2013 @ 5:36pm

Crane Operator

Beat Fright Yard in Objective Mode on Suicidal Difficulty

Unlocked 14 Nov, 2013 @ 7:50pm

777

Win Fuel on the first try

Unlocked 24 Oct, 2013 @ 6:03pm

King Minos

Beat Hell on Hard Difficulty

Unlocked 15 May, 2014 @ 4:41pm

Cerberus

Beat Hell on Suicidal Difficulty

Unlocked 7 Jun, 2014 @ 4:04pm

Brain Fart

Beat Forgotten on Normal Difficulty

Unlocked 4 May, 2014 @ 6:02pm

Multi-pass

Transit - Pick up the door key

Unlocked 3 Jul, 2014 @ 7:08pm

Dignity for the Dead

Kill 10 Specimens Feeding on Dead Teammates Corpses.

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.

Bear King of the Dark Forest

Win a Long Game on Wyre, on Suicidal 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.

Merry Men

Kill the Patriarch when everyone is ONLY using Crossbows.

Hellish Pub Crawl

Win a Long Game on West London 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.

Wasted

Win a Long Game on Biohazard on Hell on Earth 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.

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.

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.

Comet

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

Mountaineer

Win a Long Game on Mountain Pass on Suicidal Difficulty.

Vigilante

Win a Long Game on Suburbia on Suicidal Difficulty.

SWAT

Win a Long Game on Suburbia on Hell on Earth 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.

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.

Cracked the Nutcracker!

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

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).

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.

Golden Potato

Get into GLaDOS' core on Aperture.

Dog and Pony Show

Win a Long Game on Abusement Park on Hard 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.

Stay Frosty

Beat Ice Cave on Hard Difficulty

On the Rocks

Beat Ice Cave on Suicidal Difficulty

Anti Freeze

Beat Ice Cave on Hell on Earth Difficulty

Fugly

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

Stuck in Limbo

Beat Hellride on Hard Difficulty

Demonic Road

Beat Hellride on Suicidal Difficulty

Devil's Co-pilot

Beat Hellride on Hell on Earth Difficulty

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

Second Cousins

Beat Hillbilly Horror on Hard Difficulty

First Cousins (Once Removed)

Beat Hillbilly Horror on Suicidal Difficulty

First Cousins

Beat Hillbilly Horror on Hell on Earth Difficulty

One Small Step for Man

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

7 / 500

Amusing Death

Beat Moonbase on Suicidal Difficulty

One Giant Leap (Back) for Mankind

Beat Moonbase on Hell on Earth Difficulty

Astro Buffer Afficiando

Beat Steamland on Normal Difficulty

Modified Psychoacceleration Achiever

Beat Steamland on Hard Difficulty

Fractional Neutron Activator

Beat Steamland on Suicidal Difficulty

Advanced Omega Wave Resonance Explorer

Beat Steamland on Hell on Earth Difficulty

Oscillating Hydrogen Transition Achiever

Beat Steamland in Objective Mode on Hard Difficulty

Tachyon Cytoneutralization Explorer

Beat Steamland in Objective Mode on Hell on Earth Difficulty

Hide and go Puke

[2013 Summer] Destroy all the Pukey the Clown dolls

Mrs. Punkd

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