Left 4 Dead

DRAG AND DROP

Common65.3%

Rescue a Survivor from a Smoker's tongue before he takes damage.

TONGUE TWISTER

Common60.5%

Kill a Smoker who has grabbed you with his tongue.

TANKBUSTERS

Common59.5%

Kill a Tank without it dealing any damage to a Survivor.

BRAIN SALAD

Common59.2%

Make 100 headshot kills.

BLIND LUCK

Common58.6%

You or another Survivor take no damage after being vomited on by a Boomer.

PYROTECHNICIAN

Common55.7%

Blow up 20 Infected in a single explosion.

TOWERING INFERNO

Common50.7%

Light a Tank with a Molotov.

MY BODYGUARD

Common50.4%

Protect any Survivor from an attacking Infected 50 times.

HERO CLOSET

Common47.5%

Rescue a Survivor trapped in a closet.

101 CREMATIONS

Common47.4%

Set 101 Infected on fire.

HUNTER PUNTER

Common47.4%

Shove a Hunter off of a pinned and helpless Survivor.

NO-ONE LEFT BEHIND

Common45.7%

Beat a campaign with all 4 Survivors.

WITCH HUNTER

Common44.6%

Kill a Witch without any Survivor taking damage from her.

NO SMOKING SECTION

Common44.6%

Kill 10 Smokers as they are pulling helpless Survivors.

OUTBREAK

Common41.8%

Catch a rare strain of infection, then pass it on to someone else.

SPINAL TAP

Common39.9%

Kill an Infected with a single blow from behind.

DEAD STOP

Common39.7%

Punch a Hunter as he is pouncing.

BURN THE WITCH

Common38.8%

Light a Witch with a Molotov.

MERCY KILLER

Common37.6%

Survive the No Mercy campaign.

GROUND COVER

Common35.4%

Save another Survivor from a Special Infected while on the ground.

JUMP SHOT

Common35.3%

Headshot a Hunter while he's leaping.

DEAD BARON

Common31.9%

Survive the Dead Air campaign.

TOLL COLLECTOR

Common31.1%

Survive the Death Toll campaign.

CLEAN KILL

Uncommon29.7%

Shove a Boomer and then kill him without him splashing on anyone.

GRIM REAPER

Uncommon27.7%

Survive the Blood Harvest campaign.

CRASH-PROOF

Uncommon25.9%

Survive the Crash Course Campaign.

STAND TALL

Uncommon25.6%

Survive a campaign without being incapacitated.

BRONZE METTLE

Uncommon25.3%

Earn a Bronze medal in Survival mode on any official level.

DOUBLE JUMP

Uncommon24.6%

Pounce two different Survivors on one life as a Hunter.

DEAD GIVEAWAY

Uncommon23.7%

Heal a fellow Survivor when your own health is below 10.

CHAIN SMOKER

Uncommon22.7%

Constrict two Survivors on one life as a Smoker.

HELPING HAND

Uncommon22.0%

Revive 50 incapacitated Survivors.

LAST STAND

Uncommon21.2%

Complete one round of Survival on The Last Stand.

PHARM-ASSIST

Uncommon20.8%

Give pain pills to 10 Survivors.

DEAD WRECKENING

Uncommon19.9%

Dole out 5000 total Survivor damage as a Special Infected.

BACK 2 HELP

Uncommon19.8%

Leave a safe room to save an incapped teammate and bring them back safely.

SILVER BULLETS

Uncommon18.0%

Earn a Silver medal in Survival mode on any official level.

FIELD MEDIC

Uncommon17.5%

Heal 25 Survivors with a first aid kit.

LAMB 2 SLAUGHTER

Uncommon16.9%

As an Infected, incap a Survivor who has entered and left a safe room.

BIG DRAG

Uncommon16.8%

Drag a Survivor 100 feet with your tongue as a Smoker.

DO NOT DISTURB

Uncommon16.3%

Sneak past all Witches in a campaign without disturbing one.

VIOLENCE IS GOLDEN

Rare15.0%

Earn a Gold medal in Survival mode on any official level.

QUICK POWER

Rare14.7%

Restart the generator within 30 seconds of it shutting off.

CR0WND

Rare14.5%

Kill a Witch with a single headshot.

BARF BAGGED

Rare14.0%

Cover four Survivors with Boomer bile at once.

All 4 Dead

Rare11.4%

Kill all four Survivors on one life as a Tank.

AKIMBO ASSASSIN

Rare10.8%

Survive an entire campaign using only pistols.

MAN VS TANK

Rare10.8%

Single-handedly kill a Tank.

UNTOUCHABLES

Rare10.6%

No Survivors take damage after contacting the rescue vehicle.

TANK STUMBLE

Rare10.0%

Stun a Tank with an explosion in the Crash Course campaign.

ZOMBICIDAL MANIAC

Rare8.7%

Survive any campaign on Expert.

UNBREAKABLE

Rare8.2%

Finish a campaign without ever using a first aid kit on yourself.

STOMACH UPSET

Rare8.0%

All Survivors complete a campaign without being vomited on.

SMASH HIT

Rare7.7%

Win a Versus campaign of Crash Course.

Supreme Sacrifice

Rare7.4%

Complete "The Sacrifice".

RED MIST

Rare6.7%

Kill 1000 Infected with a mounted machine gun.

ZOMBIE GENOCIDEST

Rare5.9%

Kill 53,595 Infected.

Kill Bill

Legendary4.9%

Have Bill sacrifice himself for the team.

SLIPPERY PULL

Legendary4.5%

Smoker pull a bile-covered Survivor until you hold him during Crash Course.

SAFETY FIRST

Legendary4.1%

Play an entire campaign with no Survivors taking friendly fire damage.

WIPEFEST

Legendary4.0%

Your team incapacitates three Survivors within five seconds.

WHAT ARE YOU TRYING TO PROVE?

Legendary3.9%

Survive all campaigns on Expert.

Chaos Generator

Legendary3.6%

Have all 3 generators running at once in "The Sacrifice" finale.

DISTINGUISHED SURVIVOR

Legendary3.5%

Earn at least a Bronze medal on every official Survival level.

THE LITTLEST GENOCIDE

Legendary3.3%

Kill 5,359 Infected in the Crash Course campaign.

Barrel Rolled

Legendary2.7%

Kill a Special Infected with an exploding barrel.

JUMPIN' JACK SMASH

Legendary2.7%

Pounce a Survivor for 25 points of damage in the Crash Course campaign.

NOTHING SPECIAL

Legendary2.6%

Survive a campaign with no Survivors taking damage from Special Infected.

HEROIC SURVIVOR

Legendary2.4%

Earn at least a Silver medal on every official Survival level.

LEGENDARY SURVIVOR

Legendary2.2%

Earn a Gold medal on every official Survival level.

TRUCK STOP

Legendary2.0%

Your team wipes all Survivors after the escape vehicle has opened in Crash Course.

Sacrifizzle

Legendary1.7%

As a Special Infected, incap someone who is trying to sacrifice themselves.

20 CAR PILE-UP

Legendary1.6%

As A Tank hit 20 Survivors with a car in the Crash Course campaign.