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22 dari 23 (96%) pencapaian didapatkan:
Pencapaian Pribadi
 

Acid Reflex

Kill an acid antlion worker.
Didapatkan pada 23 Feb 2011 @ 3:49pm

Get Some Grub

Squish every antlion grub in Episode Two.
Didapatkan pada 25 Feb 2011 @ 7:21am

Piñata Party

Find and break every web cache in Episode Two.
Didapatkan pada 25 Feb 2011 @ 7:05am

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Didapatkan pada 23 Feb 2011 @ 4:24pm

Twofer

Defeat both antlion guards outside the White Forest.
Didapatkan pada 24 Feb 2011 @ 7:16am

Hit and Run

Run over 20 enemies with the car in Episode Two.
Didapatkan pada 24 Feb 2011 @ 10:46am

Meet the Hunters

Survive the Hunter ambush with Alyx.
Didapatkan pada 24 Feb 2011 @ 8:41am

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.
Didapatkan pada 25 Feb 2011 @ 8:25am

Gunishment!

Destroy the Combine Autogun in the junkyard.
Didapatkan pada 24 Feb 2011 @ 10:34am

Cache Checker

Find every radar cache in chapter Under The Radar.
Didapatkan pada 24 Feb 2011 @ 11:21am

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Didapatkan pada 25 Feb 2011 @ 8:54am

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Didapatkan pada 24 Feb 2011 @ 10:52am

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Didapatkan pada 24 Feb 2011 @ 11:13am

Little Rocket Man

Send the garden gnome into space.
Didapatkan pada 24 Feb 2011 @ 11:37am

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Didapatkan pada 24 Feb 2011 @ 11:56am

Neighborhood Watch

Save all buildings outside the missile silo from destruction.
Didapatkan pada 25 Feb 2011 @ 10:33am

Defense of the Armament

Save the missile silo from the Combine offensive.
Didapatkan pada 24 Feb 2011 @ 12:48pm

Payback

Kill a Hunter with its own flechettes.
Didapatkan pada 25 Feb 2011 @ 8:07am

Bone Breaker

Kill 30 enemies with thrown physics objects.
Didapatkan pada 24 Feb 2011 @ 10:21am

Deadly Harvest

Kill an enemy by planting a hopper mine.
Didapatkan pada 24 Feb 2011 @ 5:58am

Hot Potat0wned

Kill a Combine soldier with his own grenade.
Didapatkan pada 25 Feb 2011 @ 8:17am

Grave Robber

Steal a Zombine's grenade.
Didapatkan pada 23 Feb 2011 @ 4:38pm



Gnome Alone

If you are reading this achievement, Gabe Newell has successfully launched Gnome Chompski into space. If you did not also receive the achievement 'Manufacturing Ascent', Newell has abandoned his plans to shoot Noam Chomsky into space.