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