Left 4 Dead

20 CAR PILE-UP

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

Sacrifizzle

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

LEGENDARY SURVIVOR

Earn a Gold medal on every official Survival level.

TRUCK STOP

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

HEROIC SURVIVOR

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

NOTHING SPECIAL

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

JUMPIN' JACK SMASH

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

DISTINGUISHED SURVIVOR

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

Barrel Rolled

Kill a Special Infected with an exploding barrel.

THE LITTLEST GENOCIDE

Kill 5,359 Infected in the Crash Course campaign.

WHAT ARE YOU TRYING TO PROVE?

Survive all campaigns on Expert.

WIPEFEST

Your team incapacitates three Survivors within five seconds.

SLIPPERY PULL

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

SAFETY FIRST

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

Chaos Generator

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

ZOMBIE GENOCIDEST

Kill 53,595 Infected.

RED MIST

Kill 1000 Infected with a mounted machine gun.

SMASH HIT

Win a Versus campaign of Crash Course.

Kill Bill

Have Bill sacrifice himself for the team.

UNBREAKABLE

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

ZOMBICIDAL MANIAC

Survive any campaign on Expert.

STOMACH UPSET

All Survivors complete a campaign without being vomited on.

AKIMBO ASSASSIN

Survive an entire campaign using only pistols.

All 4 Dead

Kill all four Survivors on one life as a Tank.

MAN VS TANK

Single-handedly kill a Tank.

UNTOUCHABLES

No Survivors take damage after contacting the rescue vehicle.

TANK STUMBLE

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

BARF BAGGED

Cover four Survivors with Boomer bile at once.

Supreme Sacrifice

Complete "The Sacrifice".

VIOLENCE IS GOLDEN

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

DEAD WRECKENING

Dole out 5000 total Survivor damage as a Special Infected.

LAMB 2 SLAUGHTER

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

BIG DRAG

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

CR0WND

Kill a Witch with a single headshot.

SILVER BULLETS

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

FIELD MEDIC

Heal 25 Survivors with a first aid kit.

DO NOT DISTURB

Sneak past all Witches in a campaign without disturbing one.

LAST STAND

Complete one round of Survival on The Last Stand.

BACK 2 HELP

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

HELPING HAND

Revive 50 incapacitated Survivors.

PHARM-ASSIST

Give pain pills to 10 Survivors.

CHAIN SMOKER

Constrict two Survivors on one life as a Smoker.

QUICK POWER

Restart the generator within 30 seconds of it shutting off.

DOUBLE JUMP

Pounce two different Survivors on one life as a Hunter.

BRONZE METTLE

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

DEAD GIVEAWAY

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

STAND TALL

Survive a campaign without being incapacitated.

GRIM REAPER

Survive the Blood Harvest campaign.

CLEAN KILL

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

OUTBREAK

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

TOLL COLLECTOR

Survive the Death Toll campaign.

DEAD BARON

Survive the Dead Air campaign.

GROUND COVER

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

CRASH-PROOF

Survive the Crash Course Campaign.

JUMP SHOT

Headshot a Hunter while he's leaping.

DEAD STOP

Punch a Hunter as he is pouncing.

BURN THE WITCH

Light a Witch with a Molotov.

SPINAL TAP

Kill an Infected with a single blow from behind.

MERCY KILLER

Survive the No Mercy campaign.

NO SMOKING SECTION

Kill 10 Smokers as they are pulling helpless Survivors.

WITCH HUNTER

Kill a Witch without any Survivor taking damage from her.

101 CREMATIONS

Set 101 Infected on fire.

HUNTER PUNTER

Shove a Hunter off of a pinned and helpless Survivor.

MY BODYGUARD

Protect any Survivor from an attacking Infected 50 times.

NO-ONE LEFT BEHIND

Beat a campaign with all 4 Survivors.

HERO CLOSET

Rescue a Survivor trapped in a closet.

TOWERING INFERNO

Light a Tank with a Molotov.

PYROTECHNICIAN

Blow up 20 Infected in a single explosion.

BLIND LUCK

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

BRAIN SALAD

Make 100 headshot kills.

TANKBUSTERS

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

TONGUE TWISTER

Kill a Smoker who has grabbed you with his tongue.

DRAG AND DROP

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