Left 4 Dead 2 achievements

Prove you are faster than Moustachio.

Revive an incapacitated teammate while a Tank is nearby.

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

Rescue Gnome Chompski from the Carnival.

Collect three gifts dropped by Special Infected in Versus Mode.

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

Honk the noses of 10 Clowns.

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

Open 5 foot lockers.

Kill 15 Infected with a single grenade launcher blast.

Kill a Tank only with damage from the original Survivors.

Collect 10 items dropped by a Fallen Survivor.