Supreme Sacrifice
Complete "The Sacrifice".
50 ✓ January 20th, 2011
Kill Bill
Have Bill sacrifice himself for the team.
50 ✓ January 20th, 2011
Barrel Rolled
Kill a Special Infected with an exploding barrel.
50 ✓ January 20th, 2011
Chaos Generator
Have all 3 generators running at once in "The Sacrifice" finale.
50 ✓ January 20th, 2011
Sacrifizzle
As a Special Infected, incap someone who is trying to sacrifice themselves.
50 ✓ January 20th, 2011
Truck Stop
Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
35 ✓ September 23rd, 2010
Wipefest
Your team incapacitates three Survivors within five seconds in the Crash Course campaign.
35 ✓ September 23rd, 2010
What Are You Trying to Prove?
Survive all campaigns on Expert.
35 ✓ September 23rd, 2010
Ground Cover
Save another Survivor from a Special Infected while on the ground.
30 ✓ September 21st, 2010
All 4 Dead
Kill all four Survivors in one life while playing as a Tank.
30 ✓ September 21st, 2010
Cr0wnd
Kill a Witch with a single headshot.
30 ✓ July 6th, 2010
Untouchables
No Survivors take damage after contacting the rescue vehicle.
30 ✓ September 24th, 2010
Akimbo Assassin
Survive an entire campaign using only pistols.
30 ✓ September 12th, 2010
Man vs Tank
Single-handedly kill a Tank.
30 ✓ September 17th, 2010
Safety First
Play an entire campaign with no Survivors taking friendly fire damage.
30 ✓ September 20th, 2010
Unbreakable
Finish a campaign without ever being healed.
30 ✓ September 12th, 2010
Zombicidal Maniac
Survive any campaign on Expert.
30 ✓ September 19th, 2010
Nothing Special
Survive a campaign with no Survivors taking damage from Special Infected.
30 ✓ September 25th, 2010
Quick Power
Restart the generator within 30 seconds of it shutting off in the Crash Course campaign.
25 ✓ September 21st, 2010
The Littlest Genocide
Kill 5,359 Infected in the Crash Course campaign.
25 ✓ September 25th, 2010
Smash Hit
Win a Versus campaign of Crash Course.
25 ✓ January 1st, 1753
Jumpin' Jack Smash
Pounce a Survivor for 25 points of damage in the Crash Course campaign.
25 ✓ January 1st, 1753
Slippery Pull
Smoker pull a bile-covered Survivor until you hold him during Crash Course.
25 ✓ January 1st, 1753
Back 2 Help
Leave a safe room to save an incapped teammate and bring them back safely.
20 ✓ September 19th, 2010
Big Drag
Drag a Survivor 100 feet with your tongue.
20 ✓ September 20th, 2010
Chain Smoker
Constrict two Survivors in one life as a Smoker.
20 ✓ September 20th, 2010
Barf Bagged
Cover four Survivors with Boomer bile at once.
20 ✓ September 11th, 2010
Double Jump
Pounce two different Survivors in one life as a Hunter.
20 ✓ September 20th, 2010
Dead Wreckening
Dole out 5000 total Survivor damage as a Special Infected.
20 ✓ September 23rd, 2010
Lamb 2 Slaughter
As an Infected, incap a Survivor who has entered and left a safe room.
20 ✓ September 21st, 2010
20 Car Pile-up
As a Tank hit 20 Survivors with a car in the Crash Course campaign.
20 ✓ January 1st, 1753
Tank Stumble
Stun a Tank with an explosion in the Crash Course campaign.
20 ✓ September 21st, 2010
Helping Hand
Revive 50 incapacitated Survivors.
20 ✓ September 18th, 2010
Field Medic
Heal 25 Survivors with a first aid kit.
20 ✓ September 11th, 2010
Pharm-assist
Give pain pills to 10 Survivors.
20 ✓ September 12th, 2010
Drag and Drop
Rescue a Survivor from a Smoker's tongue before he takes damage.
20 ✓ September 8th, 2010
Blind Luck
You or another Survivor take no damage after being vomited on by a Boomer.
20 ✓ September 11th, 2010
Tongue Twister
Free yourself from a Smoker who has grabbed you with his tongue.
20 ✓ September 11th, 2010
101 Cremations
Set 101 Infected on fire.
20 ✓ September 18th, 2010
Do Not Disturb
Sneak past all Witches in a campaign without disturbing one.
20 ✓ September 12th, 2010
Tankbusters
Kill a Tank without it dealing any damage to a Survivor.
20 ✓ July 6th, 2010
No-one Left Behind
Beat a campaign with all 4 Survivors.
20 ✓ September 8th, 2010
Witch Hunter
Kill a Witch without any Survivor taking damage from her.
20 ✓ July 6th, 2010
Red Mist
Kill 1000 Infected with a mounted machine gun.
20 ✓ September 23rd, 2010
Pyrotechnician
Blow up 20 Infected in a single explosion.
20 ✓ July 6th, 2010
Zombie Genocidest
Kill 53,595 Infected.
20 ✓ September 27th, 2010
Stand Tall
Survive a campaign without being incapacitated.
20 ✓ September 12th, 2010
Stomach Upset
All Survivors complete a campaign without being vomited on.
20 ✓ September 8th, 2010
Jump Shot
Headshot a Hunter while he's leaping.
20 ✓ September 8th, 2010
Mercy Killer
Survive the No Mercy campaign.
15 ✓ July 6th, 2010
Toll Collector
Survive the Death Toll campaign.
15 ✓ September 20th, 2010
Dead Baron
Survive the Dead Air campaign.
15 ✓ September 18th, 2010
Grim Reaper
Survive the Blood Harvest campaign.
15 ✓ September 21st, 2010
Crash-proof
Survive the Crash Course Campaign.
15 ✓ September 8th, 2010
My Bodyguard
Protect any Survivor from an attacking Infected 50 times.
15 ✓ September 11th, 2010
No Smoking Section
Kill 10 Smokers as they are pulling helpless Survivors.
15 ✓ September 12th, 2010
Brain Salad
Make 100 headshot kills.
15 ✓ September 8th, 2010
Clean Kill
Shove a Boomer and then kill him without him splashing on anyone.
10 ✓ July 6th, 2010
Dead Stop
Punch a Hunter as he is pouncing.
10 ✓ July 6th, 2010
Hero Closet
Rescue a Survivor trapped in a closet.
10 ✓ September 11th, 2010
Hunter Punter
Shove a Hunter off of a pinned and helpless Survivor.
10 ✓ July 6th, 2010
Dead Giveaway
Heal a fellow Survivor when your own health is below 10.
10 ✓ July 6th, 2010
Burn the Witch
Light a Witch with a Molotov.
10 ✓ September 12th, 2010
Towering Inferno
Light a Tank with a Molotov.
10 ✓ July 6th, 2010
Spinal Tap
Kill an Infected with a single blow from behind.
10 ✓ July 6th, 2010