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47 of 69 (68%) achievements earned:
Personal Achievements
 

Submissive

Put the can in the trash.
Unlocked 23 Dec, 2015 @ 11:37pm

Malcontent

Escape the apartment block raid.
Unlocked 23 Dec, 2015 @ 11:42pm

What cat?

Break the mini-teleporter in Kleiner's lab.
Unlocked 14 Nov @ 8:04pm

Trusty Hardware

Get the crowbar.
Unlocked 23 Dec, 2015 @ 11:54pm

Barnacle Bowling

Kill five barnacles with one barrel.
Unlocked 29 Oct, 2022 @ 8:18am

Anchor's Aweigh!

Get the airboat.
Unlocked 3 Jul, 2016 @ 10:05pm

Heavy Weapons

Get the airboat's mounted gun.
Unlocked 29 Oct, 2022 @ 9:46am

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Unlocked 29 Oct, 2022 @ 9:59am

Revenge!

Destroy the hunter-chopper in Half-Life 2.
Unlocked 29 Oct, 2022 @ 9:52am

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked 29 Oct, 2022 @ 10:10am

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.
Unlocked 29 Oct, 2022 @ 10:09am

Two Points

Use DOG's ball to make a basket in Eli's scrapyard.
Unlocked 29 Oct, 2022 @ 10:16am

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.
Unlocked 15 Nov @ 6:02pm

Hallowed Ground

Escort Gregori safely through the church cemetery.
Unlocked 29 Oct, 2022 @ 10:46am

OSHA Violation

Kill 3 enemies using the crane.
Unlocked 29 Oct, 2022 @ 11:13am

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.
Unlocked 29 Oct, 2022 @ 11:45am

Where Cubbage Fears to Tread

Defend Little Odessa from the gunship attack.
Unlocked 29 Oct, 2022 @ 11:06am

Keep Off the Sand!

Cross the antlion beach in chapter Sandtraps without touching the sand.
Unlocked 16 Nov @ 11:52am

Bug Hunt

Use the antlions to kill 50 enemies.
Unlocked 16 Nov @ 8:17am

Flushed

Kill an enemy with a toilet.
Unlocked 16 Nov @ 7:52am

Warden Freeman

Survive the second turret standoff in Nova Prospekt.
Unlocked 16 Nov @ 9:00am

Follow Freeman

Gain command of a squad of rebels in the uprising.
Unlocked 31 Aug @ 1:30pm

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.
Unlocked 31 Aug @ 4:28pm

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.
Unlocked 16 Nov @ 10:37am

Counter-Sniper

Kill all of the snipers in City 17.
Unlocked 16 Nov @ 10:55am

Fight the Power

Shut down the supression device by disabling its generators.
Unlocked 16 Nov @ 11:15am

Atomizer

Disintegrate 15 soldiers by throwing them into a Combine ball field.
Unlocked 16 Nov @ 11:21am

Singularity Collapse

Destroy the Citadel's reactor core.
Unlocked 14 Nov @ 8:15pm

Hack Attack!

Kill five enemies with a Manhack.
Unlocked 16 Nov @ 8:59am

Acid Reflex

Kill an acid antlion worker.
Unlocked 16 Nov @ 4:27pm

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Unlocked 16 Nov @ 4:47pm

Twofer

Defeat both antlion guards outside the White Forest.
Unlocked 22 Nov @ 4:27pm

Meet the Hunters

Survive the Hunter ambush with Alyx.
Unlocked 23 Nov @ 9:56am

Gunishment!

Destroy the Combine Autogun in the junkyard.
Unlocked 23 Nov @ 1:51pm

Cache Checker

Find every radar cache in chapter Under The Radar.
Unlocked 23 Nov @ 5:54pm

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Unlocked 23 Nov @ 5:59pm

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Unlocked 23 Nov @ 2:09pm

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Unlocked 23 Nov @ 2:58pm

Little Rocket Man

Send the garden gnome into space.
Unlocked 23 Nov @ 6:08pm

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Unlocked 23 Nov @ 6:38pm

Defense of the Armament

Save the missile silo from the Combine offensive.
Unlocked 23 Nov @ 7:19pm

Payback

Kill a Hunter with its own flechettes.
Unlocked 23 Nov @ 2:58pm

Bone Breaker

Kill 30 enemies with thrown physics objects.
Unlocked 23 Nov @ 1:53pm

Deadly Harvest

Kill an enemy by planting a hopper mine.
Unlocked 16 Nov @ 4:35pm

Hot Potat0wned

Kill a Combine soldier with his own grenade.
Unlocked 23 Nov @ 6:39pm

Grave Robber

Steal a Zombine's grenade.
Unlocked 16 Nov @ 4:16pm

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 15 Nov @ 10:06pm



One Man Army

Destroy six gunships in Half-Life 2.

Giant Killer

Survive the rooftop strider battle in the ruins of City 17.

Lambda Locator

Find all lambda caches in Half-Life 2.

Watch Your Head!

Make it to the bottom of the Citadel's main elevator shaft in one piece.

Containment

Contain the Citadel core.

Pacifist

Contain the Citadel core without killing any stalkers.

Car Crusher

Use the cars to squash 15 antlions in Episode One.

Elevator Action

Survive long enough to get on the parking garage elevator.

Live Bait

Help Alyx snipe 30 enemies in Episode One.

Attica!

Destroy the gunship in the hospital attic.

Citizen Escort

Don't let any citizens die when escorting them to the escape train.

Escape From City 17

Escape City 17 with Alyx.

The One Free Bullet

Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!

Conservationist

Kill five enemies with the same energy ball.

Think Fast!

Kill an Elite Soldier with his own energy ball.

Zombie-que

Use flares to light 15 zombies on fire.

Get Some Grub

Squish every antlion grub in Episode Two.

Piñata Party

Find and break every web cache in Episode Two.

Hit and Run

Run over 20 enemies with the car in Episode Two.

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.

Neighborhood Watch

Save all buildings outside the missile silo from destruction.
+1

1 hidden achievement remaining

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