The The Last Stand Title update for Left 4 Dead 2 has 30 achievements.
Destroy 20 gascans as the Spitter.
Kill 20 Jockeys with the shovel or pitchfork.
Complete The Last Stand campaign in 13 minutes or less, without any Survivors dying.
Find the golden crowbars hidden in the Left 4 Dead 1 survival maps.
Escape Liberty Mall's Atrium before the first Tank appears
Kill the Witch bride with a single shotgun blast on expert difficulty.
Kill a pouncing Hunter with a shotgun.
Survive for 30 minutes on any official survival map.
As the Spitter, spit on a Survivor who is pinned by a Charger.
As the Hunter, land a 25 damage pounce.
With a sharp melee weapon, cut a Smoker's tongue before he ensnares you.
On the concert finale, survive until the helicopter arrives without leaving the stage
Instantly kill a Survivor as the Charger.
Rescue three Survivors from a single rescue closet.
Kill a Witch using only a sharp melee weapon, without anyone getting incapacitated or killed.
Survive The Last Stand campaign on Expert Realism.
Discover the hidden room in the Last Stand campaign
Survive The Last Stand campaign on any difficulty.
Destroy a Tank's rock in mid-air.
Earn a gold medal on any official survival map.
Earn a silver medal on any official survival map.
Earn a bronze medal on any official Survival map.
As the Spitter, spit on a Survivor who is pinned by a Hunter.
As the Boomer, vomit on a Survivor without having direct line of sight with them.
Revive an incapacitated teammate while a Tank is nearby.
Survive for 10 minutes on any official map in Versus Survival.
Kill 53,599 infected. You made sure the dead won't rise anymore!
Earn a bronze medal on every official survival map
Earn a silver medal on every official survival map.
Earn a gold medal on every official survival map.