Left 4 Dead achievements

59.60%

No Smoking Section

Kill 10 Smokers as they are pulling helpless Survivors.

61.52%

101 Cremations

Set 101 Infected on fire.

64.26%

NO-ONE LEFT BEHIND

Beat a campaign with all 4 Survivors.

66.37%

HUNTER PUNTER

Shove a Hunter off of a pinned and helpless Survivor.

67.53%

Hero Closet

Rescue a Survivor trapped in a closet.

68.04%

MY BODYGUARD

Protect any Survivor from an attacking Infected 50 times.

69.31%

Towering Inferno

Light a Tank with a Molotov.

74.39%

Pyrotechnician

Blow up 20 Infected in a single explosion.

77.44%

BLIND LUCK

You or another Survivor take no damage after being vomited on by a Boomer.

79.42%

Tankbusters

Kill a Tank without it dealing any damage to a Survivor.

80.24%

BRAIN SALAD

Make 100 headshot kills.

83.91%

TONGUE TWISTER

Free yourself from a Smoker who has grabbed you with his tongue.