Left 4 Dead — Overachiever

ZOMBIE GENOCIDEST

Kill 53,595 Infected.

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THE LITTLEST GENOCIDE

Kill 5,359 Infected in the Crash Course campaign.

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NO-ONE LEFT BEHIND

Beat a campaign with all 4 Survivors.

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PYROTECHNICIAN

Blow up 20 Infected in a single explosion.

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TOWERING INFERNO

Light a Tank with a Molotov.

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BURN THE WITCH

Light a Witch with a Molotov.

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101 CREMATIONS

Set 101 Infected on fire.

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AKIMBO ASSASSIN

Survive an entire campaign using only pistols.

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JUMPIN' JACK SMASH

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

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Supreme Sacrifice

Complete "The Sacrifice".

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CHAIN SMOKER

Constrict two Survivors on one life as a Smoker.

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BARF BAGGED

Cover four Survivors with Boomer bile at once.

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GROUND COVER

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

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DEAD WRECKENING

Dole out 5000 total Survivor damage as a Special Infected.

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DO NOT DISTURB

Sneak past all Witches in a campaign without disturbing one.

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SLIPPERY PULL

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

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BIG DRAG

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

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DISTINGUISHED SURVIVOR

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

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LEGENDARY SURVIVOR

Earn a Gold medal on every official Survival level.

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HEROIC SURVIVOR

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

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BRONZE METTLE

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

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VIOLENCE IS GOLDEN

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

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SILVER BULLETS

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

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PHARM-ASSIST

Give pain pills to 10 Survivors.

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JUMP SHOT

Headshot a Hunter while he's leaping.

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DEAD GIVEAWAY

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

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FIELD MEDIC

Heal 25 Survivors with a first aid kit.

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20 CAR PILE-UP

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

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WIPEFEST

Your team incapacitates three Survivors within five seconds.

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LAMB 2 SLAUGHTER

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

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OUTBREAK

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

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SPINAL TAP

Kill an Infected with a single blow from behind.

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All 4 Dead

Kill all four Survivors on one life as a Tank.

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Barrel Rolled

Kill a Special Infected with an exploding barrel.

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TANKBUSTERS

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

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MAN VS TANK

Single-handedly kill a Tank.

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RED MIST

Kill 1000 Infected with a mounted machine gun.

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BACK 2 HELP

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

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BRAIN SALAD

Make 100 headshot kills.

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BLIND LUCK

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

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SAFETY FIRST

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

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UNBREAKABLE

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

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UNTOUCHABLES

No Survivors take damage after contacting the rescue vehicle.

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CR0WND

Kill a Witch with a single headshot.

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LAST STAND

Complete one round of Survival on The Last Stand.

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DOUBLE JUMP

Pounce two different Survivors on one life as a Hunter.

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MY BODYGUARD

Protect any Survivor from an attacking Infected 50 times.

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DEAD STOP

Punch a Hunter as he is pouncing.

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QUICK POWER

Restart the generator within 30 seconds of it shutting off.

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HERO CLOSET

Rescue a Survivor trapped in a closet.

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HUNTER PUNTER

Shove a Hunter off of a pinned and helpless Survivor.

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DRAG AND DROP

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

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TONGUE TWISTER

Kill a Smoker who has grabbed you with his tongue.

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NO SMOKING SECTION

Kill 10 Smokers as they are pulling helpless Survivors.

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HELPING HAND

Revive 50 incapacitated Survivors.

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Chaos Generator

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

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Kill Bill

Have Bill sacrifice himself for the team.

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CLEAN KILL

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

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DEAD BARON

Survive the Dead Air campaign.

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WHAT ARE YOU TRYING TO PROVE?

Survive all campaigns on Expert.

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ZOMBICIDAL MANIAC

Survive any campaign on Expert.

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GRIM REAPER

Survive the Blood Harvest campaign.

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CRASH-PROOF

Survive the Crash Course Campaign.

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MERCY KILLER

Survive the No Mercy campaign.

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NOTHING SPECIAL

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

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STOMACH UPSET

All Survivors complete a campaign without being vomited on.

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TOLL COLLECTOR

Survive the Death Toll campaign.

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STAND TALL

Survive a campaign without being incapacitated.

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TANK STUMBLE

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

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Sacrifizzle

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

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SMASH HIT

Win a Versus campaign of Crash Course.

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TRUCK STOP

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

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WITCH HUNTER

Kill a Witch without any Survivor taking damage from her.

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