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34 of 69 (49%) achievements earned:
Personal Achievements
 

Submissive

Put the can in the trash.
Unlocked 11 Jun, 2019 @ 12:27pm

Malcontent

Escape the apartment block raid.
Unlocked 11 Jun, 2019 @ 12:30pm

Trusty Hardware

Get the crowbar.
Unlocked 11 Jun, 2019 @ 12:41pm

Barnacle Bowling

Kill five barnacles with one barrel.
Unlocked 11 Jun, 2019 @ 12:51pm

Anchor's Aweigh!

Get the airboat.
Unlocked 2 Aug, 2019 @ 7:47am

Heavy Weapons

Get the airboat's mounted gun.
Unlocked 5 Aug, 2019 @ 4:22pm

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Unlocked 5 Aug, 2019 @ 4:33pm

Revenge!

Destroy the hunter-chopper in Half-Life 2.
Unlocked 5 Aug, 2019 @ 4:31pm

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.
Unlocked 6 Aug, 2019 @ 4:12am

Hallowed Ground

Escort Gregori safely through the church cemetery.
Unlocked 21 Dec, 2019 @ 11:21pm

Where Cubbage Fears to Tread

Defend Little Odessa from the gunship attack.
Unlocked 26 Dec, 2019 @ 1:46am

One Man Army

Destroy six gunships in Half-Life 2.
Unlocked 27 Dec, 2019 @ 9:26am

Warden Freeman

Survive the second turret standoff in Nova Prospekt.
Unlocked 27 Dec, 2019 @ 10:10am

Follow Freeman

Gain command of a squad of rebels in the uprising.
Unlocked 27 Dec, 2019 @ 1:56pm

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.
Unlocked 27 Dec, 2019 @ 2:10pm

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.
Unlocked 27 Dec, 2019 @ 2:27pm

Fight the Power

Shut down the supression device by disabling its generators.
Unlocked 27 Dec, 2019 @ 2:54pm

Giant Killer

Survive the rooftop strider battle in the ruins of City 17.
Unlocked 27 Dec, 2019 @ 3:21pm

Singularity Collapse

Destroy the Citadel's reactor core.
Unlocked 28 Dec, 2019 @ 2:18am

Acid Reflex

Kill an acid antlion worker.
Unlocked 15 Nov @ 5:23pm

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Unlocked 15 Nov @ 5:39pm

Twofer

Defeat both antlion guards outside the White Forest.
Unlocked 16 Nov @ 5:47pm

Meet the Hunters

Survive the Hunter ambush with Alyx.
Unlocked 16 Nov @ 6:12pm

Gunishment!

Destroy the Combine Autogun in the junkyard.
Unlocked 17 Nov @ 5:08pm

Cache Checker

Find every radar cache in chapter Under The Radar.
Unlocked 17 Nov @ 5:31pm

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Unlocked 17 Nov @ 5:36pm

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Unlocked 17 Nov @ 5:15pm

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Unlocked 17 Nov @ 5:27pm

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Unlocked 17 Nov @ 5:51pm

Neighborhood Watch

Save all buildings outside the missile silo from destruction.
Unlocked 18 Nov @ 6:26am

Defense of the Armament

Save the missile silo from the Combine offensive.
Unlocked 18 Nov @ 6:26am

Deadly Harvest

Kill an enemy by planting a hopper mine.
Unlocked 15 Nov @ 5:31pm

Grave Robber

Steal a Zombine's grenade.
Unlocked 15 Nov @ 5:45pm

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 @ 5:58pm



What cat?

Break the mini-teleporter in Kleiner's lab.

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.

Two Points

Use DOG's ball to make a basket in Eli's scrapyard.

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.

OSHA Violation

Kill 3 enemies using the crane.

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.

Keep Off the Sand!

Cross the antlion beach in chapter Sandtraps without touching the sand.

Bug Hunt

Use the antlions to kill 50 enemies.

Flushed

Kill an enemy with a toilet.

Counter-Sniper

Kill all of the snipers in City 17.

Atomizer

Disintegrate 15 soldiers by throwing them into a Combine ball field.

Lambda Locator

Find all lambda caches in Half-Life 2.

Hack Attack!

Kill five enemies with a Manhack.

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.

Little Rocket Man

Send the garden gnome into space.

Payback

Kill a Hunter with its own flechettes.

Bone Breaker

Kill 30 enemies with thrown physics objects.

Hot Potat0wned

Kill a Combine soldier with his own grenade.
+1

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