As a Special Infected, incap someone who is trying to sacrifice themselves.
Kill a Special Infected with an exploding barrel.
Complete "The Sacrifice".
Have Bill sacrifice himself for the team.
Have all 3 generators running at once in "The Sacrifice" finale.
Play 6 Mutations.
Collect 10 items dropped by a Fallen Survivor.
As the Charger, grab a Survivor and crash them through 8 chairs at the wedding.
Play 5 full games of Scavenge on The Port.
Using the M60, kill 25 infected without letting go of the trigger.
Open 5 foot lockers.
Kill a Tank only with damage from the original Survivors.
Survive The Passing Campaign.
Knock off the heads of 18 infected with the golf club.
Play the new Midnight Riders song on a jukebox.
Survive all campaigns on Expert.
Survive a campaign on Expert skill with Realism mode enabled.
In a Versus round, leave the saferoom to defibrillate a dead teammate.
Collect 10 vials of Boomer vomit from infected CEDA agents you have killed.
Using a Molotov, burn a Clown leading at least 10 Common Infected.
Form a team and beat an enemy team in 4v4 Versus or Scavenge.
Defend yourself at the crashed airliner without taking damage.
Cross the bridge finale in less than three minutes.
In a Survival round, get a medal only using melee weapons.
As the Charger, bowl through the entire enemy team in a single charge.
Navigate the impound lot and reach the cemetery safe room without tripping any alarms.
Collect 100 gas cans in Scavenge.
Cause 25 gas can drops as a Special Infected.
Honk the noses of 10 Clowns.
Kill 15 Infected with a single grenade launcher blast.
Stop the enemy team from collecting any gas cans during a Scavenge round.
Win a game of Scavenge.
Make a Survivor drop a gas can during overtime.
Collect 15 gas cans in a single Scavenge round.
As the Spitter, spit on a Survivor being choked by a Smoker.
As the Jockey, ride a Survivor and steer them into a Spitter's acid patch.
As the Jockey, ride the Survivors twice in a single life.
As the Spitter, hit every Survivor with a single acid patch.
As the Jockey, ride a Survivor for more than 12 seconds.
As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds.
As the Charger, grab a Survivor and carry them over 80 feet.
Kill a Charger with a melee weapon while they are charging.
Revive 10 dead Survivors with the defibrillator.
Revive 10 incapacitated Survivors while under the speed-boosting effects of adrenaline.
Rescue Gnome Chompski from the Carnival.
Prove you are stronger than Moustachio.
Survive the Hard Rain campaign.
Finish a campaign using only melee weapons.
Navigate the sugar mill and reach the safe room without killing any Witches.
Kill one of each Uncommon Infected.
Survive the Swamp Fever campaign.
Kill 10 swampy Mudmen while they are in the water.
Kill a Tank with melee weapons.
Kill a Spitter before she is able to spit.
Survive the Parish campaign.
Ignite 50 Common Infected with incendiary ammo.
Use every melee weapon to kill Common Infected.
Kill a Jockey within 2 seconds of it jumping on a Survivor.
Survive the Dead Center campaign.
Decapitate 200 Infected with a melee weapon.
Kill 100 Common Infected with the chainsaw.
Use a bile bomb on a Tank.
Survive the Dark Carnival campaign.
Prove you are faster than Moustachio.
Deploy an ammo upgrade and have your team use it.
