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68 dari 69 (99%) pencapaian didapatkan:
Pencapaian Pribadi
 

Defiant

Hit the trashcan cop with the can.
Didapatkan pada 15 Nov 2011 @ 12:18pm

Submissive

Put the can in the trash.
Didapatkan pada 28 Sep 2013 @ 10:43am

Malcontent

Escape the apartment block raid.
Didapatkan pada 15 Nov 2011 @ 12:28pm

What cat?

Break the mini-teleporter in Kleiner's lab.
Didapatkan pada 15 Nov 2011 @ 12:44pm

Trusty Hardware

Get the crowbar.
Didapatkan pada 15 Nov 2011 @ 12:40pm

Barnacle Bowling

Kill five barnacles with one barrel.
Didapatkan pada 28 Sep 2013 @ 11:16am

Anchor's Aweigh!

Get the airboat.
Didapatkan pada 28 Sep 2013 @ 11:48am

Heavy Weapons

Get the airboat's mounted gun.
Didapatkan pada 29 Sep 2013 @ 10:06am

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Didapatkan pada 21 Sep 2017 @ 4:58am

Revenge!

Destroy the hunter-chopper in Half-Life 2.
Didapatkan pada 29 Sep 2013 @ 10:16am

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.
Didapatkan pada 30 Sep 2013 @ 10:40am

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.
Didapatkan pada 29 Sep 2013 @ 10:30am

Two Points

Use DOG's ball to make a basket in Eli's scrapyard.
Didapatkan pada 30 Sep 2013 @ 10:44am

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.
Didapatkan pada 21 Sep 2017 @ 4:20am

Hallowed Ground

Escort Gregori safely through the church cemetery.
Didapatkan pada 6 Okt 2013 @ 8:01am

OSHA Violation

Kill 3 enemies using the crane.
Didapatkan pada 22 Des 2013 @ 2:58pm

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.
Didapatkan pada 22 Des 2013 @ 3:11pm

Where Cubbage Fears to Tread

Defend Little Odessa from the gunship attack.
Didapatkan pada 22 Des 2013 @ 2:50pm

One Man Army

Destroy six gunships in Half-Life 2.
Didapatkan pada 27 Mei 2015 @ 9:42pm

Keep Off the Sand!

Cross the antlion beach in chapter Sandtraps without touching the sand.
Didapatkan pada 26 Sep 2017 @ 1:02pm

Bug Hunt

Use the antlions to kill 50 enemies.
Didapatkan pada 27 Mei 2015 @ 9:39pm

Flushed

Kill an enemy with a toilet.
Didapatkan pada 3 Okt 2017 @ 12:33pm

Warden Freeman

Survive the second turret standoff in Nova Prospekt.
Didapatkan pada 13 Agu 2015 @ 12:17am

Follow Freeman

Gain command of a squad of rebels in the uprising.
Didapatkan pada 15 Agu 2015 @ 10:03am

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.
Didapatkan pada 15 Agu 2015 @ 10:30am

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.
Didapatkan pada 15 Agu 2015 @ 10:50am

Counter-Sniper

Kill all of the snipers in City 17.
Didapatkan pada 19 Agu 2015 @ 1:12pm

Fight the Power

Shut down the supression device by disabling its generators.
Didapatkan pada 19 Agu 2015 @ 1:38pm

Giant Killer

Survive the rooftop strider battle in the ruins of City 17.
Didapatkan pada 20 Agu 2015 @ 5:30am

Atomizer

Disintegrate 15 soldiers by throwing them into a Combine ball field.
Didapatkan pada 20 Agu 2015 @ 1:07pm

Singularity Collapse

Destroy the Citadel's reactor core.
Didapatkan pada 20 Agu 2015 @ 1:24pm

Hack Attack!

Kill five enemies with a Manhack.
Didapatkan pada 20 Agu 2015 @ 1:04pm

Watch Your Head!

Make it to the bottom of the Citadel's main elevator shaft in one piece.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Containment

Contain the Citadel core.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Pacifist

Contain the Citadel core without killing any stalkers.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Car Crusher

Use the cars to squash 15 antlions in Episode One.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Elevator Action

Survive long enough to get on the parking garage elevator.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Live Bait

Help Alyx snipe 30 enemies in Episode One.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Attica!

Destroy the gunship in the hospital attic.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Citizen Escort

Don't let any citizens die when escorting them to the escape train.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Escape From City 17

Escape City 17 with Alyx.
Didapatkan pada 27 Nov 2024 @ 1:07pm

The One Free Bullet

Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!
Didapatkan pada 27 Nov 2024 @ 1:07pm

Conservationist

Kill five enemies with the same energy ball.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Think Fast!

Kill an Elite Soldier with his own energy ball.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Zombie-que

Use flares to light 15 zombies on fire.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Acid Reflex

Kill an acid antlion worker.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Get Some Grub

Squish every antlion grub in Episode Two.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Piñata Party

Find and break every web cache in Episode Two.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Twofer

Defeat both antlion guards outside the White Forest.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Hit and Run

Run over 20 enemies with the car in Episode Two.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Meet the Hunters

Survive the Hunter ambush with Alyx.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Gunishment!

Destroy the Combine Autogun in the junkyard.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Cache Checker

Find every radar cache in chapter Under The Radar.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Little Rocket Man

Send the garden gnome into space.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Neighborhood Watch

Save all buildings outside the missile silo from destruction.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Defense of the Armament

Save the missile silo from the Combine offensive.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Payback

Kill a Hunter with its own flechettes.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Bone Breaker

Kill 30 enemies with thrown physics objects.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Deadly Harvest

Kill an enemy by planting a hopper mine.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Hot Potat0wned

Kill a Combine soldier with his own grenade.
Didapatkan pada 27 Nov 2024 @ 1:07pm

Grave Robber

Steal a Zombine's grenade.
Didapatkan pada 27 Nov 2024 @ 1:07pm

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 27 Nov 2024 @ 1:07pm



Lambda Locator

Find all lambda caches in Half-Life 2.