What Are You Trying to Prove?
Survive all campaigns on Expert.
35 ✓ September 12th, 2010
Ground Cover
Save another Survivor from a Special Infected while on the ground.
30 ✓ December 27th, 2008
All 4 Dead
Kill all four Survivors in one life while playing as a Tank.
30 ✓ April 6th, 2009
Cr0wnd
Kill a Witch with a single headshot.
30 ✓ February 12th, 2009
Untouchables
No Survivors take damage after contacting the rescue vehicle.
30 ✓ April 23rd, 2009
Akimbo Assassin
Survive an entire campaign using only pistols.
30 ✓ December 30th, 2008
Man vs Tank
Single-handedly kill a Tank.
30 ✓ February 12th, 2009
Safety First
Play an entire campaign with no Survivors taking friendly fire damage.
30 ✓ April 26th, 2009
Unbreakable
Finish a campaign without ever being healed.
30 ✓ February 28th, 2009
Zombicidal Maniac
Survive any campaign on Expert.
30 ✓ September 12th, 2010
Nothing Special
Survive a campaign with no Survivors taking damage from Special Infected.
30 ✓ September 12th, 2010
Back 2 Help
Leave a safe room to save an incapped teammate and bring them back safely.
20 ✓ December 27th, 2008
Big Drag
Drag a Survivor 100 feet with your tongue.
20 ✓ February 27th, 2009
Chain Smoker
Constrict two Survivors in one life as a Smoker.
20 ✓ February 11th, 2009
Barf Bagged
Cover four Survivors with Boomer bile at once.
20 ✓ February 14th, 2009
Double Jump
Pounce two different Survivors in one life as a Hunter.
20 ✓ February 9th, 2009
Dead Wreckening
Dole out 5000 total Survivor damage as a Special Infected.
20 ✓ March 30th, 2009
Lamb 2 Slaughter
As an Infected, incap a Survivor who has entered and left a safe room.
20 ✓ February 11th, 2009
20 Car Pile-up
As a Tank hit 20 Survivors with a car in the Crash Course campaign.
20 ✓ March 7th, 2019
Helping Hand
Revive 50 incapacitated Survivors.
20 ✓ December 30th, 2008
Field Medic
Heal 25 Survivors with a first aid kit.
20 ✓ December 29th, 2008
Pharm-assist
Give pain pills to 10 Survivors.
20 ✓ December 27th, 2008
Drag and Drop
Rescue a Survivor from a Smoker's tongue before he takes damage.
20 ✓ December 27th, 2008
Blind Luck
You or another Survivor take no damage after being vomited on by a Boomer.
20 ✓ December 27th, 2008
Tongue Twister
Free yourself from a Smoker who has grabbed you with his tongue.
20 ✓ December 27th, 2008
101 Cremations
Set 101 Infected on fire.
20 ✓ December 26th, 2008
Do Not Disturb
Sneak past all Witches in a campaign without disturbing one.
20 ✓ February 27th, 2009
Tankbusters
Kill a Tank without it dealing any damage to a Survivor.
20 ✓ December 27th, 2008
No-one Left Behind
Beat a campaign with all 4 Survivors.
20 ✓ December 29th, 2008
Witch Hunter
Kill a Witch without any Survivor taking damage from her.
20 ✓ December 27th, 2008
Red Mist
Kill 1000 Infected with a mounted machine gun.
20 ✓ February 13th, 2009
Pyrotechnician
Blow up 20 Infected in a single explosion.
20 ✓ December 27th, 2008
Stand Tall
Survive a campaign without being incapacitated.
20 ✓ December 30th, 2008
Stomach Upset
All Survivors complete a campaign without being vomited on.
20 ✓ May 28th, 2009
Jump Shot
Headshot a Hunter while he's leaping.
20 ✓ February 12th, 2009
Mercy Killer
Survive the No Mercy campaign.
15 ✓ December 27th, 2008
Toll Collector
Survive the Death Toll campaign.
15 ✓ December 28th, 2008
Dead Baron
Survive the Dead Air campaign.
15 ✓ December 29th, 2008
Grim Reaper
Survive the Blood Harvest campaign.
15 ✓ December 29th, 2008
My Bodyguard
Protect any Survivor from an attacking Infected 50 times.
15 ✓ December 27th, 2008
No Smoking Section
Kill 10 Smokers as they are pulling helpless Survivors.
15 ✓ December 27th, 2008
Brain Salad
Make 100 headshot kills.
15 ✓ December 27th, 2008
Clean Kill
Shove a Boomer and then kill him without him splashing on anyone.
10 ✓ December 29th, 2008
Dead Stop
Punch a Hunter as he is pouncing.
10 ✓ December 27th, 2008
Hero Closet
Rescue a Survivor trapped in a closet.
10 ✓ December 28th, 2008
Hunter Punter
Shove a Hunter off of a pinned and helpless Survivor.
10 ✓ December 27th, 2008
Dead Giveaway
Heal a fellow Survivor when your own health is below 10.
10 ✓ December 27th, 2008
Burn the Witch
Light a Witch with a Molotov.
10 ✓ December 27th, 2008
Towering Inferno
Light a Tank with a Molotov.
10 ✓ December 27th, 2008
Spinal Tap
Kill an Infected with a single blow from behind.
10 ✓ December 27th, 2008
Supreme Sacrifice
Complete "The Sacrifice".
50 
Kill Bill
Have Bill sacrifice himself for the team.
50 
Barrel Rolled
Kill a Special Infected with an exploding barrel.
50 
Chaos Generator
Have all 3 generators running at once in "The Sacrifice" finale.
50 
Sacrifizzle
As a Special Infected, incap someone who is trying to sacrifice themselves.
50 
Truck Stop
Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
35 
Wipefest
Your team incapacitates three Survivors within five seconds in the Crash Course campaign.
35 
Quick Power
Restart the generator within 30 seconds of it shutting off in the Crash Course campaign.
25 
The Littlest Genocide
Kill 5,359 Infected in the Crash Course campaign.
25 
Smash Hit
Win a Versus campaign of Crash Course.
25 
Jumpin' Jack Smash
Pounce a Survivor for 25 points of damage in the Crash Course campaign.
25 
Slippery Pull
Smoker pull a bile-covered Survivor until you hold him during Crash Course.
25 
Tank Stumble
Stun a Tank with an explosion in the Crash Course campaign.
20 
Zombie Genocidest
Kill 53,595 Infected.
20 
Crash-proof
Survive the Crash Course Campaign.
15