Wax 757's Left 4 Dead progress

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

Survive the Blood Harvest campaign.

Kill a Witch without any Survivor taking damage from her.

Kill a Witch with a single headshot.

Survive the Dead Air campaign.

Shove a Hunter off of a pinned and helpless Survivor.

Headshot a Hunter while he's leaping.

Survive the Death Toll campaign.

Survive a campaign without being incapacitated.

Sneak past all Witches in a campaign without disturbing one.

Blow up 20 Infected in a single explosion.

Set 101 Infected on fire.

Survive the Crash Course Campaign.

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

Restart the generator within 30 seconds of it shutting off in the Crash Course campaign.

Protect any Survivor from an attacking Infected 50 times.

Light a Witch with a Molotov.

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

Make 100 headshot kills.

Light a Tank with a Molotov.

Kill an Infected with a single blow from behind.

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

Punch a Hunter as he is pouncing.

Survive the No Mercy campaign.

Survive an entire campaign using only pistols.

Beat a campaign with all 4 Survivors.

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

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

Free yourself from a Smoker who has grabbed you with his tongue.

Drag a Survivor 100 feet with your tongue.

Pounce two different Survivors in one life as a Hunter.

Rescue a Survivor trapped in a closet.

Constrict two Survivors in one life as a Smoker.

Kill 10 Smokers as they are pulling helpless Survivors.

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

Revive 50 incapacitated Survivors.

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

Heal 25 Survivors with a first aid kit.

Dole out 5000 total Survivor damage as a Special Infected.

Kill 53,595 Infected.

Kill 5,359 Infected in the Crash Course campaign.

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

Kill 1000 Infected with a mounted machine gun.

Kill all four Survivors in one life while playing as a Tank.

Survive all campaigns on Expert.

Single-handedly kill a Tank.

Survive any campaign on Expert.

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

Win a Versus campaign of Crash Course.

Your team incapacitates three Survivors within five seconds in the Crash Course campaign.

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

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.

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

Kill a Special Infected with an exploding barrel.

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

Have Bill sacrifice himself for the team.

Complete "The Sacrifice".

All Survivors complete a campaign without being vomited on.

No Survivors take damage after contacting the rescue vehicle.

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

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

Cover four Survivors with Boomer bile at once.

Finish a campaign without ever being healed.

Give pain pills to 10 Survivors.