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285 of 285 (100%) achievements earned:
Personal Achievements
 

Pub Crawl

Win a Long Game on West London on Normal Difficulty.
Unlocked 22 Dec, 2010 @ 10:59am

Lord of the Manor

Win a Long Game on Manor on Normal Difficulty.
Unlocked 27 Jun, 2011 @ 7:49pm

Lab Cleaner

Win a Long Game on Biotics Lab on Normal Difficulty.
Unlocked 27 Jun, 2011 @ 3:35pm

Chicken Farmer

Win a Long Game on Farm on Normal Difficulty.
Unlocked 27 Jun, 2011 @ 4:27pm

The Boss

Win a Long Game on Offices on Normal Difficulty.
Unlocked 28 Jun, 2011 @ 3:50pm

The Long War

Complete a Long Game on all 5 Core Maps on Normal Difficulty.
Unlocked 28 Jun, 2011 @ 3:50pm

Experimenticenticide

Kill 100 Specimens.
Unlocked 6 Jul, 2010 @ 7:42pm

Fascist Dietitian

Kill 200 Bloats.
Unlocked 25 Nov, 2010 @ 1:56pm

Homer's Heroes

Kill 100 Sirens.
Unlocked 20 Nov, 2010 @ 2:45pm

Keep Those Sneakers Off the Floor!

Kill 20 Stalkers with Explosives.
Unlocked 26 Nov, 2010 @ 3:06pm

Random Axe of Kindness

Kill 15 Specimens with a Fire Axe in a Single Wave.
Unlocked 20 Nov, 2010 @ 2:27pm

Bitter Irony

Kill 2 Scrakes with a Chainsaw in a Single Wave.
Unlocked 22 Nov, 2010 @ 2:58pm

Hot Cross Fun

Kill 25 Burning Specimens with a Crossbow.
Unlocked 17 Dec, 2010 @ 2:56pm

Dignity for the Dead

Kill 10 Specimens Feeding on Dead Teammates Corpses.
Unlocked 5 Jul, 2013 @ 8:06pm

Social Outburst

Kill 8 Specimens with One Grenade.
Unlocked 6 Jul, 2010 @ 9:52pm

Careful Spender

Kill 4 Specimens with a Single Shot from a Hunting Shotgun.
Unlocked 19 Dec, 2010 @ 8:02am

It's Not Easy Being Greasy

Cause a Specimen to Die by Luring them into Bloat Acid.
Unlocked 6 Jul, 2010 @ 7:27pm

Too Close For Comfort

Finish off a Fleshpound using a Melee Attack.
Unlocked 20 Nov, 2010 @ 2:50pm

Master Surgeon

As a Medic, Kill 8 Specimens using a Knife in a Single Wave.
Unlocked 26 Nov, 2010 @ 3:57pm

It's What's Inside That Counts

Turn 500 Specimens into Giblets.
Unlocked 24 Nov, 2010 @ 2:01pm

Quarter Pounder With Ease

Turn 5 Fleshpounds into Giblets.
Unlocked 25 Nov, 2010 @ 2:33pm

Self Medicator

In Co-op Mode, Use Syringe on Yourself 100 Times.
Unlocked 12 Jul, 2010 @ 12:20pm

Thin-Ice Pirouette

Complete 10 Waves when the Rest of your Team has Died.
Unlocked 12 Dec, 2010 @ 8:02pm

Philanthropist

Give 1,000 Pounds to Teammates who have 50% of Your Cash or Less.
Unlocked 6 Jul, 2010 @ 9:10pm

I Like To Watch

Aquire 5 Minutes of "Zed-Time".
Unlocked 20 Nov, 2010 @ 2:12pm

Mr. Perky

Get All of your Perks up to Level 5.
Unlocked 29 Jun, 2011 @ 9:37pm

Straight Rush

Kill the Patriarch Before he has a Chance to Heal.
Unlocked 6 Jul, 2010 @ 9:35pm

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

Deliver the Killing Blow to the Patriarch with a L.A.W. Rocket.
Unlocked 1 Dec, 2010 @ 2:30pm

Death To The Mad Scientist

Defeat the Patriarch on Suicidal.
Unlocked 5 Jul, 2011 @ 9:53pm

Experimentimillicide

Kill 1,000 Specimens.
Unlocked 12 Jul, 2010 @ 12:36pm

Experimentilottacide

Kill 10,000 Specimens.
Unlocked 26 Nov, 2010 @ 3:46pm

Hard Pub Crawl

Win a Long Game on West London on Hard Difficulty.
Unlocked 6 Aug, 2011 @ 2:44pm

Duke of the Manor

Win a Long Game on Manor on Hard Difficulty.
Unlocked 17 May, 2013 @ 10:34am

Cattle Farmer

Win a Long Game on Farm on Hard Difficulty.
Unlocked 17 May, 2013 @ 10:36pm

Hard Boss

Win a Long Game on Offices on Hard Difficulty.
Unlocked 12 Jul, 2012 @ 5:44pm

Lab Assistant

Win a Long Game on Biotics Lab on Hard Difficulty.
Unlocked 18 May, 2013 @ 12:30pm

The Hard War

Complete a Long Game on all 5 Core Maps on Hard Difficulty.
Unlocked 18 May, 2013 @ 12:30pm

Suicidal Pub Crawl

Win a Long Game on West London on Suicidal Difficulty.
Unlocked 24 May, 2013 @ 2:23pm

Emperor of the Manor

Win a Long Game on Manor on Suicidal Difficulty.
Unlocked 31 May, 2013 @ 8:03am

Alligator Farmer

Win a Long Game on Farm on Suicidal Difficulty.
Unlocked 5 Jun, 2013 @ 7:44pm

Mad Boss

Win a Long Game on Offices on Suicidal Difficulty.
Unlocked 14 Jun, 2013 @ 12:14pm

Lab Professor

Win a Long Game on Biotics Lab on Suicidal Difficulty.
Unlocked 10 Jun, 2013 @ 10:09am

The Completely Suicidal War

Complete a Long Game on all 5 Core Maps on Suicidal Difficulty.
Unlocked 14 Jun, 2013 @ 12:14pm

Tin Man

Win a Long Game on Foundry, on Normal Difficulty.
Unlocked 29 Jun, 2011 @ 2:43pm

Steel Worker

Win a Long Game on Foundry, on Hard Difficulty.
Unlocked 18 May, 2013 @ 4:31pm

Man of Steel

Win a Long Game on Foundry, on Suicidal Difficulty.
Unlocked 30 Jul, 2013 @ 12:06am

A Bit Barmy

Win a Long Game on Bedlam, on Normal Difficulty.
Unlocked 30 Jun, 2011 @ 10:46am

Gone Mental

Win a Long Game on Bedlam, on Hard Difficulty.
Unlocked 29 Oct, 2011 @ 5:41pm

Complete Barking

Win a Long Game on Bedlam, on Suicidal Difficulty.
Unlocked 25 May, 2013 @ 9:29pm

Squirrel King of the Dark Forest

Win a Long Game on Wyre, on Normal Difficulty.
Unlocked 30 Jun, 2011 @ 8:17pm

Raccoon King of the Dark Forest

Win a Long Game on Wyre, on Hard Difficulty.
Unlocked 28 May, 2013 @ 8:39am

Bear King of the Dark Forest

Win a Long Game on Wyre, on Suicidal Difficulty.
Unlocked 25 Sep, 2013 @ 3:07pm

Long, Hot Summer

Complete a Long Game on all 3 Summer 2009 maps on Normal Difficulty.
Unlocked 30 Jun, 2011 @ 8:17pm

Summer of 2009

Complete a Long Game on all 3 Summer 2009 maps on Hard Difficulty.
Unlocked 28 May, 2013 @ 8:39am

And Back to School

Complete a Long Game on all 3 Summer 2009 maps on Suicidal Difficulty.
Unlocked 25 Sep, 2013 @ 3:07pm

Explosive Personality

As Demolitions, kill 1000 Specimens with the Pipebomb.
Unlocked 1 Dec, 2010 @ 7:51pm

Flaming Hell, That was Close

As Firebug, kill the Husk with the Flamethrower before he hurts anyone.
Unlocked 15 Jan, 2011 @ 11:16am

Merry Men

Kill the Patriarch when everyone is ONLY using Crossbows.
Unlocked 2 Jan, 2011 @ 4:19pm

Blooper Reel

Turn 500 Zeds into Giblets using the M79.
Unlocked 4 Jan, 2011 @ 9:22pm

Dot of Doom

Get 25 headshots in a row with the EBR while using the Laser Sight.
Unlocked 19 Dec, 2010 @ 8:29am

SCAR'd

Kill 1000 Specimens with the SCAR.
Unlocked 2 Feb, 2011 @ 6:17pm

Healing Touch

Heal 200 teammates with the MP7's medication dart.
Unlocked 22 Dec, 2010 @ 11:48am

Pound This

Kill 100 Fleshpounds with the AA12.
Unlocked 8 Jul, 2011 @ 8:58am

Killer Junior

Kill 20 crawlers in mid-air with the M79.
Unlocked 26 Nov, 2010 @ 7:16pm

Getting Chunky

Obliterate 10 Zeds at once with the Pipe Bomb.
Unlocked 20 Nov, 2010 @ 10:23pm

Hellish Pub Crawl

Win a Long Game on West London on Hell on Earth Difficulty.
Unlocked 20 Jul, 2013 @ 8:57am

Demonic King of the Manor

Win a Long Game on Manor on Hell on Earth Difficulty.
Unlocked 3 Oct, 2013 @ 10:56pm

Demon Farmer

Win a Long Game on Farm on Hell on Earth Difficulty.
Unlocked 27 Sep, 2013 @ 7:15pm

Boss from Hell

Win a Long Game on Offices on Hell on Earth Difficulty.
Unlocked 5 Oct, 2013 @ 7:03pm

Scientist from Hell

Win a Long Game on Biotics Lab on Hell on Earth Difficulty.
Unlocked 7 Sep, 2013 @ 11:51am

Diablo Steel Man

Win a Long Game on Foundry on Hell on Earth Difficulty.
Unlocked 25 Sep, 2013 @ 2:01pm

Commit-ed for life

Win a Long Game on Bedlam on Hell on Earth Difficulty.
Unlocked 2 Oct, 2013 @ 3:05pm

Wolf King of the Dark Forest

Win a Long Game on Wyre on Hell on Earth Difficulty.
Unlocked 20 Sep, 2013 @ 10:54am

Waste Disposal

Win a Long Game on Biohazard on Normal Difficulty.
Unlocked 4 Jul, 2011 @ 7:04pm

Waste Land

Win a Long Game on Biohazard on Hard Difficulty.
Unlocked 23 Jun, 2013 @ 4:41pm

Waste of Space

Win a Long Game on Biohazard on Suicidal Difficulty.
Unlocked 26 Sep, 2013 @ 12:48pm

Wasted

Win a Long Game on Biohazard on Hell on Earth Difficulty.
Unlocked 30 Sep, 2013 @ 8:45pm

Warehouse Janitor

Win a Long Game on Crash on Normal Difficulty.
Unlocked 4 Jul, 2011 @ 1:00pm

Warehouse Forklift Operator

Win a Long Game on Crash on Hard Difficulty.
Unlocked 25 Jun, 2013 @ 1:46pm

Warehouse Foreman

Win a Long Game on Crash on Suicidal Difficulty.
Unlocked 29 Sep, 2013 @ 8:46pm

Warehouse Manager

Win a Long Game on Crash on Hell on Earth Difficulty.
Unlocked 29 Sep, 2013 @ 9:51pm

Departure Gallery

Win a Long Game on Departed on Normal Difficulty.
Unlocked 7 Jul, 2011 @ 4:24pm

Departure Lounge

Win a Long Game on Departed on Hard Difficulty.
Unlocked 17 Jun, 2013 @ 9:54am

Departure Gate

Win a Long Game on Departed on Suicidal Difficulty.
Unlocked 14 Aug, 2013 @ 6:41pm

Dear Departed

Win a Long Game on Departed on Hell on Earth Difficulty.
Unlocked 30 Sep, 2013 @ 8:24pm

Running Late

Win a Long Game on Filth's Cross on Normal Difficulty.
Unlocked 30 Jun, 2011 @ 9:13pm

Missed Connection

Win a Long Game on Filth's Cross on Hard Difficulty.
Unlocked 19 Jun, 2013 @ 8:34am

Train Wreck

Win a Long Game on Filth's Cross on Suicidal Difficulty.
Unlocked 29 Sep, 2013 @ 10:43am

Pile Up

Win a Long Game on Filth's Cross on Hell on Earth Difficulty.
Unlocked 20 Sep, 2013 @ 6:04pm

Gimme a Plaster!

Win a Long Game on Hospital Horrors on Normal Difficulty.
Unlocked 6 Aug, 2011 @ 8:38am

That Bloody Well Hurts!

Win a Long Game on Hospital Horrors on Hard Difficulty.
Unlocked 24 Jun, 2013 @ 8:37am

I'm Dying Here!

Win a Long Game on Hospital Horrors on Suicidal Difficulty.
Unlocked 5 Oct, 2013 @ 8:36am

Not Dead Yet!

Win a Long Game on Hospital Horrors on Hell on Earth Difficulty.
Unlocked 20 Sep, 2013 @ 6:30pm

Ice Cube

Win a Long Game on Icebreaker on Normal Difficulty.
Unlocked 29 Jul, 2011 @ 9:42am

Crushed Ice

Win a Long Game on Icebreaker on Hard Difficulty.
Unlocked 2 Jul, 2013 @ 1:48pm

Iceberg

Win a Long Game on Icebreaker on Suicidal Difficulty.
Unlocked 28 Sep, 2013 @ 6:03pm

Comet

Win a Long Game on Icebreaker on Hell on Earth Difficulty.
Unlocked 26 Sep, 2013 @ 8:00pm

Daytrip

Win a Long Game on Mountain Pass on Normal Difficulty.
Unlocked 15 Jan, 2011 @ 7:54pm

Gone Camping

Win a Long Game on Mountain Pass on Hard Difficulty.
Unlocked 9 Aug, 2011 @ 10:40am

Mountaineer

Win a Long Game on Mountain Pass on Suicidal Difficulty.
Unlocked 6 Aug, 2013 @ 8:43pm

Park Ranger

Win a Long Game on Mountain Pass on Hell on Earth Difficulty.
Unlocked 23 Apr, 2013 @ 11:59pm

Neighborhood Watch

Win a Long Game on Suburbia on Normal Difficulty.
Unlocked 10 Jul, 2011 @ 9:20am

Private Security

Win a Long Game on Suburbia on Hard Difficulty.
Unlocked 23 Jul, 2013 @ 10:49pm

Vigilante

Win a Long Game on Suburbia on Suicidal Difficulty.
Unlocked 28 Sep, 2013 @ 7:09pm

SWAT

Win a Long Game on Suburbia on Hell on Earth Difficulty.
Unlocked 28 Sep, 2013 @ 2:54pm

Slight Drip

Win a Long Game on Waterworks on Normal Difficulty.
Unlocked 8 Jul, 2011 @ 8:06pm

Burst Pipe

Win a Long Game on Waterworks on Hard Difficulty.
Unlocked 28 Jul, 2013 @ 11:43pm

Pressure Failure

Win a Long Game on Waterworks on Suicidal Difficulty.
Unlocked 16 Aug, 2013 @ 7:54pm

Floodgate to Hell

Win a Long Game on Waterworks on Hell on Earth Difficulty.
Unlocked 10 Aug, 2013 @ 3:40pm

Piece of Cake

Complete all new map achievements on Normal Difficulty.
Unlocked 6 Aug, 2011 @ 8:38am

Pound Cake

Complete all new map achievements on Hard Difficulty.
Unlocked 28 Jul, 2013 @ 11:43pm

Fruit Cake

Complete all new map achievements on Suicidal Difficulty.
Unlocked 5 Oct, 2013 @ 8:36am

Devil Cake

Complete all new map achievements on Hell On Earth Difficulty.
Unlocked 5 Oct, 2013 @ 7:03pm

Let Them Burn

Get 1000 points of burn damage with the MAC-10.
Unlocked 22 Dec, 2010 @ 11:21pm

Walking in A Winter Horror Land

Win a Long Game on Santa's Evil Lair on Normal Difficulty.
Unlocked 17 Dec, 2010 @ 2:26pm

Silent Night, Evil Night

Win a Long Game on Santa's Evil Lair on Hard Difficulty.
Unlocked 3 Aug, 2013 @ 11:11pm

I'm Dreaming of a Red Christmas

Win a Long Game on Santa's Evil Lair on Suicidal Difficulty.
Unlocked 12 Aug, 2013 @ 8:45pm

Grandma got Eaten by a Reindeer

Win a Long Game on Santa's Evil Lair on Hell on Earth Difficulty.
Unlocked 30 Sep, 2013 @ 9:59pm

Merry Friggin Christmas

[2010 Xmas] Kill the Christmas Patriarch.
Unlocked 14 Dec, 2010 @ 2:15pm

Cracked the Nutcracker!

[2010 Xmas] Land the killing blow on a Christmas Fleshpound with a Knife.
Unlocked 17 Dec, 2010 @ 1:46pm

Can't Catch Me!

[2010 Xmas] Kill 2 Christmas Gorefasts with a Melee weapon from behind in one wave.
Unlocked 24 Dec, 2010 @ 8:26pm

Toasted Jack Frost

[2010 Xmas] Kill the Christmas Scrake with a Fire-based weapon.
Unlocked 15 Dec, 2010 @ 3:36pm

That's not Santa!

[2010 Xmas] Kill 3 Christmas Bloats with the Bullpup in one wave.
Unlocked 15 Dec, 2010 @ 3:08pm

Rudolph, the Bloody Nosed Reindeer

[2010 Xmas] Kill a Christmas Crawler with a Crossbow.
Unlocked 14 Dec, 2010 @ 2:01pm

Not So Silent Night

[2010 Xmas] Kill a Christmas Siren with an undetonated LAW rocket.
Unlocked 17 Dec, 2010 @ 1:16pm

Fending off Mrs. Claws

[2010 Xmas] Kill 3 Christmas Stalkers with a Lever Action Rifle without reloading.
Unlocked 15 Dec, 2010 @ 2:08pm

Who Brings a Gun to a Snow Ball Fight?

[2010 Xmas] Kill a Christmas Husk with any Pistol.
Unlocked 14 Dec, 2010 @ 1:58pm

Deck the Halls with Buckets o' Blood

[2010 Xmas] Kill 3 Christmas Zeds in 1 ZED time chain with a Melee weapon.
Unlocked 14 Dec, 2010 @ 2:42pm

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 19 Dec, 2010 @ 8:31am

Eggnog Anyone?

[2010 Xmas] Get covered in Christmas Bloat Bile and live for 10 seconds on Hard, Suicidal, or Hell on Earth.
Unlocked 9 Dec, 2011 @ 6:36pm

Bad Santa

Unlock 10 of the 13 Christmas Achievements along with any Christmas Map achievement.
Unlocked 17 Dec, 2010 @ 2:27pm

Back to Work

[2010 Xmas] Kill 20 Christmas Clots in one wave.
Unlocked 14 Dec, 2010 @ 9:09pm

Uber Tuber

Expensive but delicious! Brought to you by Dr. Dougley and Lord Ned.
Unlocked 17 Apr, 2011 @ 5:10pm

Science Got Done

Win a Long Game on Aperture on Normal Difficulty.
Unlocked 22 Apr, 2011 @ 10:46am

Still Alive

Win a Long Game on Aperture on Hard Difficulty.
Unlocked 3 May, 2013 @ 10:46am

This is a Triumph

Win a Long Game on Aperture on Suicidal Difficulty.
Unlocked 11 Aug, 2013 @ 9:35pm

I'm Making a Note Here, Huge Success

Win a Long Game on Aperture on Hell on Earth Difficulty.
Unlocked 12 Sep, 2013 @ 12:55pm

Golden Potato

Get into GLaDOS' core on Aperture.
Unlocked 16 Apr, 2011 @ 11:38am

Flea Circus

Win a Long Game on Abusement Park on Normal Difficulty.
Unlocked 2 Jul, 2011 @ 8:06pm

Dog and Pony Show

Win a Long Game on Abusement Park on Hard Difficulty.
Unlocked 3 Jul, 2011 @ 1:58pm

3 Ring Circus

Win a Long Game on Abusement Park on Suicidal Difficulty.
Unlocked 5 Jul, 2011 @ 9:53pm

On Top of the Big Top

Win a Long Game on Abusement Park on Hell on Earth Difficulty.
Unlocked 6 Jul, 2011 @ 7:39pm

Ringmaster

Kill the "Ring Leader" (Circus Patriarch)
Unlocked 2 Jul, 2011 @ 8:06pm

Sparring with a Master

Kill a Circus Gorefast with a Melee weapon.
Unlocked 1 Jul, 2011 @ 9:16pm

Assistant Homicide

Kill 2 Circus Stalkers with a Melee weapon to the back in one wave.
Unlocked 1 Jul, 2011 @ 9:44pm

Seeing Double

Kill 5 Circus Crawlers with a Bullpup in one wave.
Unlocked 1 Jul, 2011 @ 9:32pm

Clearing Clown Alley

Kill 5 Circus Bloats in one game.
Unlocked 2 Jul, 2011 @ 6:56pm

The Big Hunt

Kill a Circus Scrake with a Crossbow.
Unlocked 1 Jul, 2011 @ 9:44pm

Lifting a Dumbell

Kill a Circus Husk with a LAW.
Unlocked 2 Jul, 2011 @ 11:24am

Small Hands

Kill 3 Circus Clots in a wave with the Lever Action Rifle.
Unlocked 1 Jul, 2011 @ 9:54pm

Elephant Gun

Land the killing blow on a Circus Fleshpound with a Pistol.
Unlocked 1 Jul, 2011 @ 9:47pm

Juggling Act

Drop 5 different Tier 2 weapons in one wave.
Unlocked 3 Jul, 2011 @ 9:41am

Windjammer Enthusiast

Survive 10 seconds after being screamed at by a Circus Siren on Hard or above.
Unlocked 2 Jul, 2011 @ 11:25am

Taking Down the Big Top

Kill 4 Circus Zeds in 1 ZED time chain with a Melee weapon.
Unlocked 2 Jul, 2011 @ 11:17am

Burning up the Midway

Kill 10 Circus Clots with a Fire-based weapon.
Unlocked 1 Jul, 2011 @ 9:52pm

Punk'd

Unlock 10 of the 13 Circus Achievements along with any Abusement Park achievement.
Unlocked 3 Jul, 2011 @ 8:53am

Sparkling in the Twilight

Kill The Vampire Patriarch Ringmaster in Bedlam
Unlocked 29 Oct, 2011 @ 5:41pm

Carving The Jack O' Lantern

Decapitate a burning Halloween specimen in Bedlam
Unlocked 28 Oct, 2011 @ 1:49pm

The Scene is Zed

Kill 250 Halloween Specimens in Bedlam
Unlocked 28 Oct, 2011 @ 6:29pm

Zed October

Win a Long Bedlam Match During the Halloween Event on Hard
Unlocked 29 Oct, 2011 @ 5:41pm

This is No Ordinary Rabbit!

Kill 25 Halloween Scrakes in Bedlam
Unlocked 28 Oct, 2011 @ 7:15pm

Trick, not Treat

Kill 5 Halloween Specimens with any gun without reloading
Unlocked 28 Oct, 2011 @ 1:35pm

Rule The Roost

Get all 6 achievements and unlock Commando Chicken
Unlocked 29 Oct, 2011 @ 5:41pm

Burning Irony

Kill 15 Husks with the Husk Cannon
Unlocked 18 Dec, 2011 @ 7:56am

Highlander

Kill a Scrake, a Fleshpound, and the Patriarch with the Claymore Sword within one map
Unlocked 16 Dec, 2011 @ 9:15pm

Bloody Yanks

Kill 1 specimen ONLY while expending a full M4 Assault Rifle magazine
Unlocked 8 Dec, 2011 @ 3:51pm

Finish Him

Hit a Scrake with the M203 Rifle grenade to kill him
Unlocked 10 Dec, 2011 @ 9:25am

I love ze Healing not ze Hurting

Heal others for 3000 points of health with the MP5 SMG
Unlocked 9 Dec, 2011 @ 6:15pm

Italian Meat Pasta

Kill 12 zeds with a full magazine from the Combat Shotgun
Unlocked 10 Dec, 2011 @ 9:20am

Feeling Lucky?

Kill a specimen with every shot from your Revolver for one magazine
Unlocked 8 Dec, 2011 @ 3:32pm

We Have Ourselves a Cowboy

Hold dual 9mm, dual hand cannons and Dual Revolvers
Unlocked 8 Dec, 2011 @ 4:16pm

Snow Cone

Beat Ice Cave on Normal Difficulty
Unlocked 9 Dec, 2011 @ 2:14pm

Stay Frosty

Beat Ice Cave on Hard Difficulty
Unlocked 2 Aug, 2013 @ 10:24pm

On the Rocks

Beat Ice Cave on Suicidal Difficulty
Unlocked 15 Aug, 2013 @ 10:52pm

Anti Freeze

Beat Ice Cave on Hell on Earth Difficulty
Unlocked 12 Sep, 2013 @ 6:22pm

A Bloody Christmas Carol

Kill 15 XMas Clots, 5 xmas Stalkers, 5 XMas Crawlers, 1 XMas Siren and 1 XMas Bloat.
Unlocked 8 Dec, 2011 @ 3:49pm

Spec Ops

Kill 12 clots with one magazine without reloading (MK23)
Unlocked 6 Jul, 2012 @ 6:43pm

Combat Medic

Kill a zed that has injured a player (M7A3 rifle)
Unlocked 6 Jul, 2012 @ 6:49pm

Fugly

Kill one of each type of zed in one round (HSG Shotgun)
Unlocked 6 Jul, 2012 @ 11:45pm

British Superiority

Kill a zed each with both the Bullpup and FN-Fal
Unlocked 6 Jul, 2012 @ 6:47pm

The Big One

Kill 2 scrakes with one shot (M99)
Unlocked 7 Jul, 2012 @ 8:16pm

Highway to Heaven

Beat Hellride on Normal Difficulty
Unlocked 6 Jul, 2012 @ 6:39pm

Stuck in Limbo

Beat Hellride on Hard Difficulty
Unlocked 1 Aug, 2013 @ 11:27pm

Demonic Road

Beat Hellride on Suicidal Difficulty
Unlocked 5 Oct, 2013 @ 6:15pm

Devil's Co-pilot

Beat Hellride on Hell on Earth Difficulty
Unlocked 28 Sep, 2013 @ 4:45pm

Historical Remnants

Kill 6 Zeds with one magazine on an MKb42, without reloading
Unlocked 25 Oct, 2012 @ 2:31pm

Nail'd!

Kill 4 Stalkers in a game with the Vlad9000 Nailgun
Unlocked 25 Oct, 2012 @ 5:21pm

Explosion of Love

Heal yourself plus 5 other players with one grenade
Unlocked 25 Oct, 2012 @ 4:41pm

Trench Warfare

Set a total of 200 Zeds on fire with the Trench Gun in Hillbilly Horror
Unlocked 25 Oct, 2012 @ 3:46pm

Third Cousins

Beat Hillbilly Horror on Normal Difficulty
Unlocked 25 Oct, 2012 @ 3:41pm

Second Cousins

Beat Hillbilly Horror on Hard Difficulty
Unlocked 11 Jul, 2013 @ 4:09pm

First Cousins (Once Removed)

Beat Hillbilly Horror on Suicidal Difficulty
Unlocked 17 Aug, 2013 @ 11:05pm

First Cousins

Beat Hillbilly Horror on Hell on Earth Difficulty
Unlocked 27 Sep, 2013 @ 6:31pm

Grim Reaper

Get the 6 Special Halloween Achievements plus 1 Hillbilly Horror Map Achievement to unlock the Grim Reaper
Unlocked 25 Oct, 2012 @ 4:35pm

Soul Collector

Free the souls of the 25 Gnomes hidden on Hillbilly Horror in 1 game
Unlocked 25 Oct, 2012 @ 1:57pm

Meet Your Maker!

Kill 1000 Hillbilly Zeds
Unlocked 25 Oct, 2012 @ 4:30pm

Creepy Crawlies

Kill 15 Hillbilly Crawlers in 1 game with the Tommy Gun or MKb42
Unlocked 25 Oct, 2012 @ 2:35pm

Rippin' It Up

Kill a Hillbilly Husk and another Hillbilly Zed in the same shot with the Buzzsaw Bow or M99
Unlocked 25 Oct, 2012 @ 4:35pm

I Am Become Death

Kill 5 Hillbilly Zeds in 10 seconds with the Scythe or Axe
Unlocked 25 Oct, 2012 @ 3:55pm

Fiery Personality

Set 3 Hillbilly Gorefasts on fire with the Flare Pistol or Trench Gun
Unlocked 25 Oct, 2012 @ 2:51pm

Have my axe

Kill 30 Fleshpounds with the Dwarfs!? axe with back attacks
Unlocked 16 Dec, 2012 @ 5:55pm

One Small Step for Man

Kill 500 Zeds with the Schneidzekk Medic Gun while you are falling
Unlocked 15 Dec, 2012 @ 5:39pm

But It's All Red!

Collect all 16 Z.E.D. Gun pieces
Unlocked 12 Dec, 2012 @ 11:54pm

Game Over, Man!

Have 20 Zeds you slowed with the Z.E.D. gun killed
Unlocked 13 Dec, 2012 @ 12:16am

Here is to us

Beat Moonbase on Normal Difficulty
Unlocked 12 Dec, 2012 @ 11:55pm

Attempting Re-entry

Beat Moonbase on Hard Difficulty
Unlocked 25 Dec, 2012 @ 6:59pm

Amusing Death

Beat Moonbase on Suicidal Difficulty
Unlocked 24 Dec, 2012 @ 8:49pm

One Giant Leap (Back) for Mankind

Beat Moonbase on Hell on Earth Difficulty
Unlocked 19 Dec, 2012 @ 8:52pm

Gimli That Axe!

Get the Not-a-war-hammer Achievement in Dwarfs!?
Unlocked 12 Dec, 2012 @ 11:00pm

Astro Buffer Afficiando

Beat Steamland on Normal Difficulty
Unlocked 4 Jul, 2013 @ 7:46am

Modified Psychoacceleration Achiever

Beat Steamland on Hard Difficulty
Unlocked 9 Jul, 2013 @ 2:43pm

Fractional Neutron Activator

Beat Steamland on Suicidal Difficulty
Unlocked 2 Oct, 2013 @ 3:40pm

Advanced Omega Wave Resonance Explorer

Beat Steamland on Hell on Earth Difficulty
Unlocked 8 Jul, 2013 @ 11:40pm

Simplified Force Adhesion Afficianado

Beat Steamland in Objective Mode on Normal Difficulty
Unlocked 4 Jul, 2013 @ 8:32pm

Oscillating Hydrogen Transition Achiever

Beat Steamland in Objective Mode on Hard Difficulty
Unlocked 6 Aug, 2013 @ 1:04pm

Alpha Wave Osteooxidation Activator

Beat Steamland in Objective Mode on Suicidal Difficulty
Unlocked 6 Aug, 2013 @ 1:55pm

Tachyon Cytoneutralization Explorer

Beat Steamland in Objective Mode on Hell on Earth Difficulty
Unlocked 7 Aug, 2013 @ 3:50pm

Hide and go Puke

[2013 Summer] Destroy all the Pukey the Clown dolls
Unlocked 4 Jul, 2013 @ 7:31am

Arcade Gamer

[2013 Summer] Complete the Pop the Clot, the Strong Man and the Grenade Toss games
Unlocked 4 Jul, 2013 @ 8:52pm

Full Charge

Have 5 Breaker Boxes 100% repaired at the same time
Unlocked 4 Jul, 2013 @ 8:39pm

Extended Motion Protector

[2013 Summer] Protect the Ringmaster during the escort mission so that he does not get hit more than 15 times
Unlocked 6 Jul, 2013 @ 10:55pm

Guardian Assault Protector

Protect the ringmaster during the defense mission so that he does not get hit more than 15 times
Unlocked 4 Jul, 2013 @ 8:20pm

Golden 3 Crown Note

Get all 3 gold bars without the carriers taking damage while they have them
Unlocked 4 Jul, 2013 @ 8:29pm

Single-shot Equalizer

Kill 4 different types of Zeds with headshots with 4 shots from the Long Musket or the M14 without reloading
Unlocked 4 Jul, 2013 @ 8:51pm

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 @ 8:04pm

Single-Load Doom Bombardier

Kill a ZED with a direct (unexploded) shot from the Orca Bomb Propeller or the M-79/M32
Unlocked 4 Jul, 2013 @ 6:49pm

Turbo Executioner

Kill 5 zeds in ZED time without reloading with Dr. T's LDS or Bullpup
Unlocked 4 Jul, 2013 @ 8:58pm

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
Unlocked 7 Jul, 2013 @ 9:17am

Longshoreman

Beat Fright Yard on Normal Difficulty
Unlocked 24 Oct, 2013 @ 6:06pm

Gang Crew

Beat Fright Yard on Hard Difficulty
Unlocked 27 Oct, 2013 @ 11:30am

Stevedore

Beat Fright Yard on Suicidal Difficulty
Unlocked 2 Nov, 2013 @ 10:51am

Wharfinger

Beat Fright Yard on Hell on Earth Difficulty
Unlocked 26 Oct, 2013 @ 2:39pm

Fork Lift Operator

Beat Fright Yard in Objective Mode on Normal Difficulty
Unlocked 27 Oct, 2013 @ 11:59am

Truck Driver

Beat Fright Yard in Objective Mode on Hard Difficulty
Unlocked 30 Oct, 2013 @ 3:45pm

Crane Operator

Beat Fright Yard in Objective Mode on Suicidal Difficulty
Unlocked 25 Jan, 2014 @ 11:37am

Shipping Magnate

Beat Fright Yard in Objective Mode on Hell on Earth Difficulty
Unlocked 25 Jan, 2014 @ 8:22pm

Claw Machine Master

Attach the crane hook within 125 seconds
Unlocked 28 Oct, 2013 @ 8:28pm

Ex-scientist

Collect all the bile without a contamination
Unlocked 27 Oct, 2013 @ 11:48am

777

Win Fuel on the first try
Unlocked 16 Dec, 2013 @ 3:07pm

Blinding Big Brother

Destroy all 30 Cameras
Unlocked 24 Oct, 2013 @ 6:31pm

Fire and Forget

Kill a Halloween Fleshpound and Scrake in the same explosion with the Seal Squeal Harpoon Bomber or the LAW
Unlocked 26 Oct, 2013 @ 2:16pm

Under The Weather

Use Bile or the Flamethrower to kill one of each Halloween Zed
Unlocked 24 Oct, 2013 @ 9:46am

Most Bang for the Buck

Kill 10 Halloween zeds in explosions using the Seeker 6 or the M32 within 5 seconds
Unlocked 24 Oct, 2013 @ 9:51am

Death

Beat Hell on Normal Difficulty
Unlocked 13 Dec, 2013 @ 8:35pm

King Minos

Beat Hell on Hard Difficulty
Unlocked 14 Dec, 2013 @ 2:10pm

Cerberus

Beat Hell on Suicidal Difficulty
Unlocked 19 Dec, 2013 @ 1:12pm

Lucifer

Beat Hell on Hell on Earth Difficulty
Unlocked 18 Dec, 2013 @ 12:54pm

Brain Fart

Beat Forgotten on Normal Difficulty
Unlocked 13 Dec, 2013 @ 8:54pm

Agnosia

Beat Forgotten on Hard Difficulty
Unlocked 16 Dec, 2013 @ 3:24pm

Amnesia

Beat Forgotten on Suicidal Difficulty
Unlocked 18 Dec, 2013 @ 12:32pm

Dementia

Beat Forgotten on Hell on Earth Difficulty
Unlocked 19 Dec, 2013 @ 12:24pm

No Time for Love, Dr. Jones

Win a short round on KF-Hell playing as or with Harchier Spebbington
Unlocked 13 Dec, 2013 @ 8:35pm

Home Brewer

Beat Siren's Belch on Normal Difficulty
Unlocked 6 Jul, 2014 @ 5:10am

Micro Brewer

Beat Siren's Belch on Hard Difficulty
Unlocked 10 Jul, 2014 @ 11:01am

Master Brewer

Beat Siren's Belch on Suicidal Difficulty
Unlocked 10 Jul, 2014 @ 11:49am

Trappist Monk

Beat Siren's Belch on Hell on Earth Difficulty
Unlocked 12 Jul, 2014 @ 3:17am

Oktoberfest Master

Collect all the Beer Steins
Unlocked 4 Jul, 2014 @ 12:00pm

Peasant

Beat Stronghold on Normal Difficulty
Unlocked 6 Jul, 2014 @ 5:22am

Squire

Beat Stronghold on Hard Difficulty
Unlocked 9 Jul, 2014 @ 1:25pm

Prince

Beat Stronghold on Suicidal Difficulty
Unlocked 10 Jul, 2014 @ 12:04pm

King

Beat Stronghold on Hell on Earth Difficulty
Unlocked 14 Jul, 2014 @ 4:36am

Rich Evil Uncle

Collect all the Treasure Bags
Unlocked 4 Jul, 2014 @ 12:32pm

Cattle Class

Beat Transit on Normal Difficulty
Unlocked 6 Jul, 2014 @ 4:41am

Economy Comfort

Beat Transit on Hard Difficulty
Unlocked 6 Jul, 2014 @ 4:58am

Business Class

Beat Transit on Suicidal Difficulty
Unlocked 12 Jul, 2014 @ 3:00am

First Class

Beat Transit on Hell on Earth Difficulty
Unlocked 13 Jul, 2014 @ 5:07am

Day-trip

Beat Transit in Objective Mode on Normal Difficulty
Unlocked 12 Jul, 2014 @ 6:18am

Long weekend

Beat Transit in Objective Mode on Hard Difficulty
Unlocked 12 Jul, 2014 @ 5:55am

Serious vacation

Beat Transit in Objective Mode on Suicidal Difficulty
Unlocked 22 Aug, 2014 @ 10:32pm

Moved to Paris!

Beat Transit in Objective Mode on Hell on Earth Difficulty
Unlocked 23 Aug, 2014 @ 1:47pm

Nitro Boost!

Transit - Get the Nitro to the Objective in 135 seconds or less
Unlocked 5 Jul, 2014 @ 2:04pm

Totally Metal

Transit - Kill 250 Zeds before completing the welding objective
Unlocked 5 Jul, 2014 @ 2:24pm

Multi-pass

Transit - Pick up the door key
Unlocked 5 Jul, 2014 @ 1:56pm

Science Hater

Transit - Destroy all the DNA vials
Unlocked 6 Jul, 2014 @ 4:30am

Doctor WHO??

Transit - Get all Objective achievements AND beat KFO Transit on Hard or above to unlock Dr Rachel Clamely.
Unlocked 12 Jul, 2014 @ 5:55am

Gone clubbing

Beat Clandestine on Normal Difficulty
Unlocked 18 Oct, 2014 @ 8:22pm

Rack 'em up

Beat Clandestine on Hard Difficulty
Unlocked 22 Oct, 2014 @ 1:36pm

Burned out

Beat Clandestine on Suicidal Difficulty
Unlocked 24 Oct, 2014 @ 5:02pm

Hangover from Hell

Beat Clandestine on Hell Difficulty
Unlocked 25 Oct, 2014 @ 8:06pm

Skull Cracker

Clandestine - Destroy 30 skulls
Unlocked 18 Oct, 2014 @ 8:18pm

Cave of Wonder

Beat ThrillsChills on Normal Difficulty
Unlocked 4 Dec, 2014 @ 9:20pm

Cavern of Pain

Beat ThrillsChills on Hard Difficulty
Unlocked 9 Dec, 2014 @ 9:29pm

Grotto of Terror

Beat ThrillsChills on Suicidal Difficulty
Unlocked 10 Dec, 2014 @ 7:43pm

Hollow of Horror

Beat ThrillsChills on Hell Difficulty
Unlocked 11 Dec, 2014 @ 11:32am

All shook up

Destroy all (15) Snow Globes
Unlocked 4 Dec, 2014 @ 8:55pm