Left 4 Dead
STEAM

73
03 Oct 2011
DEAD STOP
Punch a Hunter as he is pouncing.
08 Jul 2011
10:01pm
DRAG AND DROP
Rescue a Survivor from a Smoker's tongue before he takes damage.
08 Jul 2011
8:59pm
CR0WND
Kill a Witch with a single headshot.
31 Jul 2011
9:30pm
UNTOUCHABLES
No Survivors take damage after contacting the rescue vehicle.
06 Aug 2011
7:44pm
BLIND LUCK
You or another Survivor take no damage after being vomited on by a Boomer.
08 Jul 2011
10:18pm
MY BODYGUARD
Protect any Survivor from an attacking Infected 50 times.
09 Jul 2011
12:33am
AKIMBO ASSASSIN
Survive an entire campaign using only pistols.
01 Aug 2011
1:49am
FIELD MEDIC
Heal 25 Survivors with a first aid kit.
17 Jul 2011
5:50pm
PHARM-ASSIST
Give pain pills to 10 Survivors.
09 Jul 2011
7:14pm
HELPING HAND
Revive 50 incapacitated Survivors.
15 Jul 2011
10:21pm
HERO CLOSET
Rescue a Survivor trapped in a closet.
09 Jul 2011
12:34am
HUNTER PUNTER
Shove a Hunter off of a pinned and helpless Survivor.
08 Jul 2011
8:59pm
TONGUE TWISTER
Kill a Smoker who has grabbed you with his tongue.
08 Jul 2011
9:45pm
NO SMOKING SECTION
Kill 10 Smokers as they are pulling helpless Survivors.
08 Jul 2011
10:19pm
101 CREMATIONS
Set 101 Infected on fire.
09 Jul 2011
3:48am
DO NOT DISTURB
Sneak past all Witches in a campaign without disturbing one.
17 Jul 2011
5:21am
MAN VS TANK
Single-handedly kill a Tank.
09 Jul 2011
4:27am
TANKBUSTERS
Kill a Tank without it dealing any damage to a Survivor.
09 Jul 2011
2:05am
SAFETY FIRST
Play an entire campaign with no Survivors taking friendly fire damage.
01 Aug 2011
2:23am
NO-ONE LEFT BEHIND
Beat a campaign with all 4 Survivors.
09 Jul 2011
4:34am
UNBREAKABLE
Finish a campaign without ever using a first aid kit on yourself.
31 Jul 2011
10:33pm
WITCH HUNTER
Kill a Witch without any Survivor taking damage from her.
16 Jul 2011
4:56pm
RED MIST
Kill 1000 Infected with a mounted machine gun.
21 Aug 2011
12:40pm
PYROTECHNICIAN
Blow up 20 Infected in a single explosion.
08 Jul 2011
9:48pm
ZOMBIE GENOCIDEST
Kill 53,595 Infected.
03 Oct 2011
12:40am
DEAD GIVEAWAY
Heal a fellow Survivor when your own health is below 10.
09 Jul 2011
7:12pm
GROUND COVER
Save another Survivor from a Special Infected while on the ground.
09 Jul 2011
5:21pm
CLEAN KILL
Shove a Boomer and then kill him without him splashing on anyone.
09 Jul 2011
3:57am
STAND TALL
Survive a campaign without being incapacitated.
08 Jul 2011
10:22pm
BACK 2 HELP
Leave a safe room to save an incapped teammate and bring them back safely.
31 Jul 2011
10:04pm
ZOMBICIDAL MANIAC
Survive any campaign on Expert.
09 Jul 2011
9:19pm
WHAT ARE YOU TRYING TO PROVE?
Survive all campaigns on Expert.
17 Jul 2011
7:08pm
NOTHING SPECIAL
Survive a campaign with no Survivors taking damage from Special Infected.
06 Aug 2011
7:25pm
BURN THE WITCH
Light a Witch with a Molotov.
08 Jul 2011
8:58pm
TOWERING INFERNO
Light a Tank with a Molotov.
08 Jul 2011
8:56pm
SPINAL TAP
Kill an Infected with a single blow from behind.
08 Jul 2011
10:15pm
STOMACH UPSET
All Survivors complete a campaign without being vomited on.
31 Jul 2011
10:33pm
BRAIN SALAD
Make 100 headshot kills.
08 Jul 2011
10:17pm
JUMP SHOT
Headshot a Hunter while he's leaping.
09 Jul 2011
8:16pm
MERCY KILLER
Survive the No Mercy campaign.
08 Jul 2011
9:31pm
TOLL COLLECTOR
Survive the Death Toll campaign.
08 Jul 2011
10:22pm
DEAD BARON
Survive the Dead Air campaign.
09 Jul 2011
2:24am
GRIM REAPER
Survive the Blood Harvest campaign.
09 Jul 2011
4:35am
BARF BAGGED
Cover four Survivors with Boomer bile at once.
10 Aug 2011
8:49pm
BIG DRAG
Drag a Survivor 100 feet with your tongue as a Smoker.
31 Jul 2011
7:51pm
CHAIN SMOKER
Constrict two Survivors on one life as a Smoker.
16 Jul 2011
2:05pm
DOUBLE JUMP
Pounce two different Survivors on one life as a Hunter.
16 Jul 2011
6:31pm
All 4 Dead
Kill all four Survivors on one life as a Tank.
31 Jul 2011
12:14am
DEAD WRECKENING
Dole out 5000 total Survivor damage as a Special Infected.
31 Jul 2011
6:41pm
LAMB 2 SLAUGHTER
As an Infected, incap a Survivor who has entered and left a safe room.
10 Aug 2011
8:35pm
OUTBREAK
Catch a rare strain of infection, then pass it on to someone else.
16 Jul 2011
1:53pm
LAST STAND
Complete one round of Survival on The Last Stand.
06 Aug 2011
8:54pm
BRONZE METTLE
Earn a Bronze medal in Survival mode on any official level.
16 Jul 2011
1:23am
SILVER BULLETS
Earn a Silver medal in Survival mode on any official level.
16 Jul 2011
1:26am
VIOLENCE IS GOLDEN
Earn a Gold medal in Survival mode on any official level.
16 Jul 2011
1:29am
DISTINGUISHED SURVIVOR
Earn at least a Bronze medal on every official Survival level.
21 Aug 2011
12:13pm
HEROIC SURVIVOR
Earn at least a Silver medal on every official Survival level.
21 Aug 2011
12:16pm
LEGENDARY SURVIVOR
Earn a Gold medal on every official Survival level.
21 Aug 2011
12:19pm
CRASH-PROOF
Survive the Crash Course Campaign.
17 Jul 2011
5:21am
QUICK POWER
Restart the generator within 30 seconds of it shutting off.
30 Jul 2011
3:20am
THE LITTLEST GENOCIDE
Kill 5,359 Infected in the Crash Course campaign.
21 Aug 2011
12:23pm
SMASH HIT
Win a Versus campaign of Crash Course.
20 Aug 2011
6:05pm
TRUCK STOP
Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
10 Aug 2011
10:07pm
20 CAR PILE-UP
As A Tank hit 20 Survivors with a car in the Crash Course campaign.
13 Aug 2011
10:50pm
JUMPIN' JACK SMASH
Pounce a Survivor for 25 points of damage in the Crash Course campaign.
10 Aug 2011
9:29pm
SLIPPERY PULL
Smoker pull a bile-covered Survivor until you hold him during Crash Course.
15 Aug 2011
10:38pm
TANK STUMBLE
Stun a Tank with an explosion in the Crash Course campaign.
06 Aug 2011
9:00pm
WIPEFEST
Your team incapacitates three Survivors within five seconds.
13 Aug 2011
9:57pm
Supreme Sacrifice
Complete "The Sacrifice".
07 Aug 2011
4:33pm
Kill Bill
Have Bill sacrifice himself for the team.
07 Aug 2011
4:39pm
Barrel Rolled
Kill a Special Infected with an exploding barrel.
07 Aug 2011
4:42pm
Chaos Generator
Have all 3 generators running at once in "The Sacrifice" finale.
06 Aug 2011
8:31pm
Sacrifizzle
As a Special Infected, incap someone who is trying to sacrifice themselves.
11 Aug 2011
9:54pm