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23 of 23 (100%) achievements earned:
Personal Achievements

Acid Reflex

Kill an acid antlion worker.
Unlocked Apr 5, 2014 @ 2:40pm

Get Some Grub

Squish every antlion grub in Episode Two.
Unlocked Apr 5, 2014 @ 4:16pm

Piñata Party

Find and break every web cache in Episode Two.
Unlocked Apr 5, 2014 @ 4:00pm

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Unlocked Apr 5, 2014 @ 3:12pm


Defeat both antlion guards outside the White Forest.
Unlocked Apr 6, 2014 @ 1:43am

Hit and Run

Run over 20 enemies with the car in Episode Two.
Unlocked Apr 6, 2014 @ 4:55am

Meet the Hunters

Survive the Hunter ambush with Alyx.
Unlocked Apr 6, 2014 @ 2:40am

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.
Unlocked Apr 6, 2014 @ 4:30am


Destroy the Combine Autogun in the junkyard.
Unlocked Apr 6, 2014 @ 4:46am

Cache Checker

Find every radar cache in chapter Under The Radar.
Unlocked Apr 6, 2014 @ 5:26am

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Unlocked Apr 6, 2014 @ 5:36am

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Unlocked Apr 6, 2014 @ 4:57am

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Unlocked Apr 6, 2014 @ 5:17am

Little Rocket Man

Send the garden gnome into space.
Unlocked Apr 6, 2014 @ 5:44am

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Unlocked Apr 6, 2014 @ 7:18am

Neighborhood Watch

Save all buildings outside the missile silo from destruction.
Unlocked Apr 6, 2014 @ 8:00am

Defense of the Armament

Save the missile silo from the Combine offensive.
Unlocked Apr 6, 2014 @ 8:00am


Kill a Hunter with its own flechettes.
Unlocked Apr 6, 2014 @ 2:36am

Bone Breaker

Kill 30 enemies with thrown physics objects.
Unlocked Apr 6, 2014 @ 4:35am

Deadly Harvest

Kill an enemy by planting a hopper mine.
Unlocked Apr 5, 2014 @ 3:00pm

Hot Potat0wned

Kill a Combine soldier with his own grenade.
Unlocked Apr 6, 2014 @ 4:42am

Grave Robber

Steal a Zombine's grenade.
Unlocked Apr 5, 2014 @ 2:19pm

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.
Unlocked Nov 24, 2020 @ 3:00pm