Kill a Jockey within 2 seconds of it jumping on a Survivor.

Deploy an ammo upgrade and have your team use it.

Kill one of each Uncommon Infected.

Survive the Dead Center campaign.

Use a bile bomb on a Tank.

Survive The Passing Campaign.

Kill 100 Common Infected with the chainsaw.

Decapitate 200 Infected with a melee weapon.

Ignite 50 Common Infected with incendiary ammo.

As the Spitter, hit every Survivor with a single acid patch.

Survive the Hard Rain campaign.

Use every melee weapon to kill Common Infected.

As the Jockey, ride the Survivors twice in a single life.

Complete "The Sacrifice".

Survive the Parish campaign.

Survive the Swamp Fever campaign.

As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds.

As the Jockey, ride a Survivor and steer them into a Spitter's acid patch.

Using a Molotov, burn a Clown leading at least 10 Common Infected.

Collect 10 vials of Boomer vomit from infected CEDA agents you have killed.

Kill 10 swampy Mudmen while they are in the water.

Play the new Midnight Riders song on a jukebox.

Have Bill sacrifice himself for the team.

Spread cheer by helping a free holiday player survive a campaign.

Survive the Cold Stream campaign on any difficulty.

As the Spitter, spit on a Survivor being choked by a Smoker.

Kill 15 Infected with a single grenade launcher blast.

As the Charger, grab a Survivor and carry them over 80 feet.

Collect 10 items dropped by a Fallen Survivor.

Kill a Tank only with damage from the original Survivors.

Open 5 foot lockers.

Honk the noses of 10 Clowns.

Knock off the heads of 18 infected with the golf club.

Navigate the impound lot and reach the cemetery safe room without tripping any alarms.

As the Charger, bowl through the entire enemy team in a single charge.

Collect three gifts dropped by Special Infected in Versus Mode.

Kill a Charger with a melee weapon while they are charging.

Win a game of Scavenge.

Kill a Tank with melee weapons.

Rescue Gnome Chompski from the Carnival.

Prove you are faster than Moustachio.

Stop the enemy team from collecting any gas cans during a Scavenge round.

Using the M60, kill 25 infected without letting go of the trigger.

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

Navigate the sugar mill and reach the safe room without killing any Witches.

Kill a Special Infected with an exploding barrel.

Prove you are stronger than Moustachio.

Collect 15 gas cans in a single Scavenge round.

Revive 10 dead Survivors with the defibrillator.

Cross the bridge finale in less than three minutes.

Make a Survivor drop a gas can during overtime.

Defend yourself at the crashed airliner without taking damage.

Play a Versus game on Dead Air from start to finish.

Finish a campaign using only melee weapons.

Revive 10 incapacitated Survivors while under the speed-boosting effects of adrenaline.

Play 6 Mutations.

In a Survival round, get a medal only using melee weapons.

Collect 100 gas cans in Scavenge.

Survive a campaign on Expert skill with Realism mode enabled.

Cause 25 gas can drops as a Special Infected.

Survive all campaigns on Expert.

Form a team and beat an enemy team in 4v4 Versus or Scavenge.

Plays games with free weekend players and helps them survive a campaign.

Play 5 full games of Scavenge on The Port.

In a Versus round, leave the saferoom to defibrillate a dead teammate.

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

As the Charger, grab a Survivor and crash them through 8 chairs at the wedding.