The The Last Stand Title update for Left 4 Dead 2 has 30 achievements.
Destroy 20 gascans as the Spitter.
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 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
Instantly kill a Survivor as the Charger.
Find the golden crowbars hidden in the Left 4 Dead 1 survival maps.
Survive The Last Stand campaign on Expert Realism.
As the Hunter, land a 25 damage pounce.
Survive for 30 minutes on any official survival map.
As the Boomer, vomit on a Survivor without having direct line of sight with them.
As the Spitter, spit on a Survivor who is pinned by a Charger.
Escape Liberty Mall's Atrium before the first Tank appears
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.
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 20 Jockeys with the shovel or pitchfork.
On the concert finale, survive until the helicopter arrives without leaving the stage
With a sharp melee weapon, cut a Smoker's tongue before he ensnares you.
Kill the Witch bride with a single shotgun blast on expert difficulty.
Rescue three Survivors from a single rescue closet.
Complete The Last Stand campaign in 13 minutes or less, without any Survivors dying.
Kill a pouncing Hunter with a shotgun.
Destroy a Tank's rock in mid-air.
Survive The Last Stand campaign on any difficulty.
Revive an incapacitated teammate while a Tank is nearby.