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17 of 22 (77%) achievements earned:

Personal Achievements
Unlocked Feb 13, 2012 @ 1:11pm

Acid Reflex

Kill an acid antlion worker.
Unlocked Feb 13, 2012 @ 1:34pm

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Unlocked Feb 16, 2012 @ 12:57pm


Defeat both antlion guards outside the White Forest.
Unlocked Feb 17, 2012 @ 11:27am

Hit and Run

Run over 20 enemies with the car in Episode Two.
Unlocked Feb 17, 2012 @ 10:57am

Meet the Hunters

Survive the Hunter ambush with Alyx.
Unlocked Feb 17, 2012 @ 11:13am

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.
Unlocked Feb 17, 2012 @ 11:25am


Destroy the Combine Autogun in the junkyard.
Unlocked Feb 21, 2012 @ 1:25pm

Cache Checker

Find every radar cache in chapter Under The Radar.
Unlocked Feb 21, 2012 @ 1:30pm

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Unlocked Feb 18, 2012 @ 4:29am

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Unlocked Feb 18, 2012 @ 4:44am

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Unlocked Feb 21, 2012 @ 2:01pm

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Unlocked Feb 21, 2012 @ 2:41pm

Defense of the Armament

Save the missile silo from the Combine offensive.
Unlocked Feb 17, 2012 @ 10:36am

Bone Breaker

Kill 30 enemies with thrown physics objects.
Unlocked Feb 13, 2012 @ 1:24pm

Deadly Harvest

Kill an enemy by planting a hopper mine.
Unlocked Feb 21, 2012 @ 1:54pm

Hot Potat0wned

Kill a Combine soldier with his own grenade.
Unlocked Feb 13, 2012 @ 1:55pm

Grave Robber

Steal a Zombine's grenade.

Get Some Grub

Squish every antlion grub in Episode Two.

Piñata Party

Find and break every web cache in Episode Two.

Little Rocket Man

Send the garden gnome into space.

Neighborhood Watch

Save all buildings outside the missile silo from destruction.


Kill a Hunter with its own flechettes.