Protect any Survivor from an attacking Infected 50 times.
Survive the Death Toll campaign.
Beat a campaign with all 4 Survivors.
Kill 10 Smokers as they are pulling helpless Survivors.
Make 100 headshot kills.
Blow up 20 Infected in a single explosion.
Shove a Hunter off of a pinned and helpless Survivor.
Free yourself from a Smoker who has grabbed you with his tongue.
Light a Tank with a Molotov.
Survive the No Mercy campaign.
Kill a Tank without it dealing any damage to a Survivor.
You or another Survivor take no damage after being vomited on by a Boomer.
Rescue a Survivor from a Smoker's tongue before he takes damage.
Punch a Hunter as he is pouncing.
Save another Survivor from a Special Infected while on the ground.
Heal a fellow Survivor when your own health is below 10.
Kill an Infected with a single blow from behind.
Headshot a Hunter while he's leaping.
Survive a campaign without being incapacitated.
Survive an entire campaign using only pistols.
Finish a campaign without ever being healed.
Rescue a Survivor trapped in a closet.
Set 101 Infected on fire.
Give pain pills to 10 Survivors.
Light a Witch with a Molotov.
Heal 25 Survivors with a first aid kit.
Kill a Witch without any Survivor taking damage from her.
Shove a Boomer and then kill him without him splashing on anyone.
Survive the Crash Course Campaign.
Restart the generator within 30 seconds of it shutting off in the Crash Course campaign.
Kill 5,359 Infected in the Crash Course campaign.
Win a Versus campaign of Crash Course.
Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
As a Tank hit 20 Survivors with a car in the Crash Course campaign.
Pounce a Survivor for 25 points of damage in the Crash Course campaign.
Smoker pull a bile-covered Survivor until you hold him during Crash Course.
Stun a Tank with an explosion in the Crash Course campaign.
Your team incapacitates three Survivors within five seconds in the Crash Course campaign.
Revive 50 incapacitated Survivors.
Kill a Witch with a single headshot.
No Survivors take damage after contacting the rescue vehicle.
Sneak past all Witches in a campaign without disturbing one.
Single-handedly kill a Tank.
Play an entire campaign with no Survivors taking friendly fire damage.
Kill 1000 Infected with a mounted machine gun.
Kill 53,595 Infected.
Survive any campaign on Expert.
Survive all campaigns on Expert.
Survive a campaign with no Survivors taking damage from Special Infected.
All Survivors complete a campaign without being vomited on.
Leave a safe room to save an incapped teammate and bring them back safely.
Survive the Dead Air campaign.
Survive the Blood Harvest campaign.
Drag a Survivor 100 feet with your tongue.
Constrict two Survivors in one life as a Smoker.
Cover four Survivors with Boomer bile at once.
Pounce two different Survivors in one life as a Hunter.
Kill all four Survivors in one life while playing as a Tank.
Dole out 5000 total Survivor damage as a Special Infected.
As an Infected, incap a Survivor who has entered and left a safe room.
Complete "The Sacrifice".
Have Bill sacrifice himself for the team.
Kill a Special Infected with an exploding barrel.
Have all 3 generators running at once in "The Sacrifice" finale.
As a Special Infected, incap someone who is trying to sacrifice themselves.
Kill a Smoker who has grabbed you with his tongue.
Complete one round of Survival on The Last Stand.
Earn a Bronze medal in Survival mode on any official level.
Earn a Silver medal in Survival mode on any official level.
Restart the generator within 30 seconds of it shutting off.
Finish a campaign without ever using a first aid kit on yourself.
Drag a Survivor 100 feet with your tongue as a Smoker.
Constrict two Survivors on one life as a Smoker.
Pounce two different Survivors on one life as a Hunter.
Kill all four Survivors on one life as a Tank.
Catch a rare strain of infection, then pass it on to someone else.
Earn a Gold medal in Survival mode on any official level.
Earn at least a Bronze medal on every official Survival level.
Earn at least a Silver medal on every official Survival level.
Earn a Gold medal on every official Survival level.
As A Tank hit 20 Survivors with a car in the Crash Course campaign.
Your team incapacitates three Survivors within five seconds.
