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69 dari 69 (100%) pencapaian didapatkan:
Pencapaian Pribadi
 

Defiant

Hit the trashcan cop with the can.
Didapatkan pada 21 Jan 2015 @ 6:41am

Submissive

Put the can in the trash.
Didapatkan pada 29 Jan 2015 @ 3:40am

Malcontent

Escape the apartment block raid.
Didapatkan pada 21 Jan 2015 @ 6:51am

What cat?

Break the mini-teleporter in Kleiner's lab.
Didapatkan pada 23 Jan 2015 @ 6:07am

Trusty Hardware

Get the crowbar.
Didapatkan pada 21 Jan 2015 @ 7:42am

Barnacle Bowling

Kill five barnacles with one barrel.
Didapatkan pada 21 Jan 2015 @ 8:24am

Anchor's Aweigh!

Get the airboat.
Didapatkan pada 21 Jan 2015 @ 11:02am

Heavy Weapons

Get the airboat's mounted gun.
Didapatkan pada 21 Jan 2015 @ 12:39pm

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Didapatkan pada 27 Jan 2015 @ 1:00pm

Revenge!

Destroy the hunter-chopper in Half-Life 2.
Didapatkan pada 21 Jan 2015 @ 1:31pm

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.
Didapatkan pada 21 Jan 2015 @ 2:01pm

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.
Didapatkan pada 21 Jan 2015 @ 1:55pm

Two Points

Use DOG's ball to make a basket in Eli's scrapyard.
Didapatkan pada 21 Jan 2015 @ 3:08pm

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.
Didapatkan pada 22 Jan 2015 @ 7:51am

Hallowed Ground

Escort Gregori safely through the church cemetery.
Didapatkan pada 22 Jan 2015 @ 7:29am

OSHA Violation

Kill 3 enemies using the crane.
Didapatkan pada 22 Jan 2015 @ 10:05am

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.
Didapatkan pada 24 Jan 2015 @ 6:07am

Where Cubbage Fears to Tread

Defend Little Odessa from the gunship attack.
Didapatkan pada 22 Jan 2015 @ 9:36am

One Man Army

Destroy six gunships in Half-Life 2.
Didapatkan pada 24 Jan 2015 @ 1:28am

Keep Off the Sand!

Cross the antlion beach in chapter Sandtraps without touching the sand.
Didapatkan pada 22 Jan 2015 @ 2:30pm

Bug Hunt

Use the antlions to kill 50 enemies.
Didapatkan pada 22 Jan 2015 @ 3:18pm

Flushed

Kill an enemy with a toilet.
Didapatkan pada 23 Jan 2015 @ 4:11am

Warden Freeman

Survive the second turret standoff in Nova Prospekt.
Didapatkan pada 23 Jan 2015 @ 5:51am

Follow Freeman

Gain command of a squad of rebels in the uprising.
Didapatkan pada 23 Jan 2015 @ 7:27am

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.
Didapatkan pada 23 Jan 2015 @ 8:42am

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.
Didapatkan pada 23 Jan 2015 @ 10:31am

Counter-Sniper

Kill all of the snipers in City 17.
Didapatkan pada 23 Jan 2015 @ 2:14pm

Fight the Power

Shut down the supression device by disabling its generators.
Didapatkan pada 23 Jan 2015 @ 3:13pm

Giant Killer

Survive the rooftop strider battle in the ruins of City 17.
Didapatkan pada 24 Jan 2015 @ 3:33am

Atomizer

Disintegrate 15 soldiers by throwing them into a Combine ball field.
Didapatkan pada 24 Jan 2015 @ 4:02am

Singularity Collapse

Destroy the Citadel's reactor core.
Didapatkan pada 24 Jan 2015 @ 4:51am

Lambda Locator

Find all lambda caches in Half-Life 2.
Didapatkan pada 29 Jan 2015 @ 3:34am

Hack Attack!

Kill five enemies with a Manhack.
Didapatkan pada 23 Jan 2015 @ 5:50am

Watch Your Head!

Make it to the bottom of the Citadel's main elevator shaft in one piece.
Didapatkan pada 18 Nov @ 7:52am

Containment

Contain the Citadel core.
Didapatkan pada 18 Nov @ 7:52am

Pacifist

Contain the Citadel core without killing any stalkers.
Didapatkan pada 18 Nov @ 7:52am

Car Crusher

Use the cars to squash 15 antlions in Episode One.
Didapatkan pada 18 Nov @ 7:52am

Elevator Action

Survive long enough to get on the parking garage elevator.
Didapatkan pada 18 Nov @ 7:52am

Live Bait

Help Alyx snipe 30 enemies in Episode One.
Didapatkan pada 18 Nov @ 7:52am

Attica!

Destroy the gunship in the hospital attic.
Didapatkan pada 18 Nov @ 7:52am

Citizen Escort

Don't let any citizens die when escorting them to the escape train.
Didapatkan pada 18 Nov @ 7:52am

Escape From City 17

Escape City 17 with Alyx.
Didapatkan pada 18 Nov @ 7:52am

The One Free Bullet

Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!
Didapatkan pada 18 Nov @ 7:52am

Conservationist

Kill five enemies with the same energy ball.
Didapatkan pada 18 Nov @ 7:52am

Think Fast!

Kill an Elite Soldier with his own energy ball.
Didapatkan pada 18 Nov @ 7:52am

Zombie-que

Use flares to light 15 zombies on fire.
Didapatkan pada 18 Nov @ 7:52am

Acid Reflex

Kill an acid antlion worker.
Didapatkan pada 18 Nov @ 7:52am

Get Some Grub

Squish every antlion grub in Episode Two.
Didapatkan pada 18 Nov @ 7:52am

Piñata Party

Find and break every web cache in Episode Two.
Didapatkan pada 18 Nov @ 7:52am

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Didapatkan pada 18 Nov @ 7:52am

Twofer

Defeat both antlion guards outside the White Forest.
Didapatkan pada 18 Nov @ 7:52am

Hit and Run

Run over 20 enemies with the car in Episode Two.
Didapatkan pada 18 Nov @ 7:52am

Meet the Hunters

Survive the Hunter ambush with Alyx.
Didapatkan pada 18 Nov @ 7:52am

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.
Didapatkan pada 18 Nov @ 7:52am

Gunishment!

Destroy the Combine Autogun in the junkyard.
Didapatkan pada 18 Nov @ 7:52am

Cache Checker

Find every radar cache in chapter Under The Radar.
Didapatkan pada 18 Nov @ 7:52am

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Didapatkan pada 18 Nov @ 7:52am

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Didapatkan pada 18 Nov @ 7:52am

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Didapatkan pada 18 Nov @ 7:52am

Little Rocket Man

Send the garden gnome into space.
Didapatkan pada 18 Nov @ 7:52am

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Didapatkan pada 18 Nov @ 7:52am

Neighborhood Watch

Save all buildings outside the missile silo from destruction.
Didapatkan pada 18 Nov @ 7:52am

Defense of the Armament

Save the missile silo from the Combine offensive.
Didapatkan pada 18 Nov @ 7:52am

Payback

Kill a Hunter with its own flechettes.
Didapatkan pada 18 Nov @ 7:52am

Bone Breaker

Kill 30 enemies with thrown physics objects.
Didapatkan pada 18 Nov @ 7:52am

Deadly Harvest

Kill an enemy by planting a hopper mine.
Didapatkan pada 18 Nov @ 7:52am

Hot Potat0wned

Kill a Combine soldier with his own grenade.
Didapatkan pada 18 Nov @ 7:52am

Grave Robber

Steal a Zombine's grenade.
Didapatkan pada 18 Nov @ 7:52am

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.
Didapatkan pada 18 Nov @ 7:52am