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54 of 69 (78%) achievements earned:
Personal Achievements
 

Defiant

Hit the trashcan cop with the can.
Unlocked 27 Mar, 2021 @ 7:09am

Malcontent

Escape the apartment block raid.
Unlocked 27 Mar, 2021 @ 7:13am

What cat?

Break the mini-teleporter in Kleiner's lab.
Unlocked 10 Apr, 2021 @ 7:44am

Trusty Hardware

Get the crowbar.
Unlocked 27 Mar, 2021 @ 7:29am

Barnacle Bowling

Kill five barnacles with one barrel.
Unlocked 27 Mar, 2021 @ 7:39am

Anchor's Aweigh!

Get the airboat.
Unlocked 27 Mar, 2021 @ 8:00am

Heavy Weapons

Get the airboat's mounted gun.
Unlocked 28 Mar, 2021 @ 7:11am

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Unlocked 28 Mar, 2021 @ 7:22am

Revenge!

Destroy the hunter-chopper in Half-Life 2.
Unlocked 28 Mar, 2021 @ 7:21am

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked 4 Apr, 2021 @ 4:41am

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.
Unlocked 4 Apr, 2021 @ 4:41am

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.
Unlocked 4 Apr, 2021 @ 5:25am

Hallowed Ground

Escort Gregori safely through the church cemetery.
Unlocked 4 Apr, 2021 @ 5:20am

OSHA Violation

Kill 3 enemies using the crane.
Unlocked 4 Apr, 2021 @ 1:23pm

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.
Unlocked 4 Apr, 2021 @ 1:33pm

Where Cubbage Fears to Tread

Defend Little Odessa from the gunship attack.
Unlocked 4 Apr, 2021 @ 1:17pm

One Man Army

Destroy six gunships in Half-Life 2.
Unlocked 9 Apr, 2021 @ 12:55pm

Bug Hunt

Use the antlions to kill 50 enemies.
Unlocked 5 Apr, 2021 @ 5:55am

Flushed

Kill an enemy with a toilet.
Unlocked 10 Apr, 2021 @ 8:44am

Warden Freeman

Survive the second turret standoff in Nova Prospekt.
Unlocked 10 Apr, 2021 @ 2:21am

Follow Freeman

Gain command of a squad of rebels in the uprising.
Unlocked 10 Apr, 2021 @ 7:47am

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.
Unlocked 10 Apr, 2021 @ 8:08am

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.
Unlocked 10 Apr, 2021 @ 8:28am

Counter-Sniper

Kill all of the snipers in City 17.
Unlocked 10 Apr, 2021 @ 8:45am

Fight the Power

Shut down the supression device by disabling its generators.
Unlocked 11 Apr, 2021 @ 2:23am

Giant Killer

Survive the rooftop strider battle in the ruins of City 17.
Unlocked 11 Apr, 2021 @ 2:45am

Atomizer

Disintegrate 15 soldiers by throwing them into a Combine ball field.
Unlocked 11 Apr, 2021 @ 4:12am

Singularity Collapse

Destroy the Citadel's reactor core.
Unlocked 11 Apr, 2021 @ 4:36am

Hack Attack!

Kill five enemies with a Manhack.
Unlocked 10 Apr, 2021 @ 2:21am

Watch Your Head!

Make it to the bottom of the Citadel's main elevator shaft in one piece.
Unlocked 17 Nov @ 10:25am

Containment

Contain the Citadel core.
Unlocked 17 Nov @ 10:25am

Car Crusher

Use the cars to squash 15 antlions in Episode One.
Unlocked 17 Nov @ 10:25am

Elevator Action

Survive long enough to get on the parking garage elevator.
Unlocked 17 Nov @ 10:25am

Live Bait

Help Alyx snipe 30 enemies in Episode One.
Unlocked 17 Nov @ 10:25am

Attica!

Destroy the gunship in the hospital attic.
Unlocked 17 Nov @ 10:25am

Citizen Escort

Don't let any citizens die when escorting them to the escape train.
Unlocked 17 Nov @ 10:25am

Escape From City 17

Escape City 17 with Alyx.
Unlocked 17 Nov @ 10:25am

The One Free Bullet

Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!
Unlocked 17 Nov @ 10:25am

Zombie-que

Use flares to light 15 zombies on fire.
Unlocked 17 Nov @ 10:25am

Acid Reflex

Kill an acid antlion worker.
Unlocked 17 Nov @ 10:25am

Piñata Party

Find and break every web cache in Episode Two.
Unlocked 17 Nov @ 10:25am

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Unlocked 17 Nov @ 10:25am

Twofer

Defeat both antlion guards outside the White Forest.
Unlocked 17 Nov @ 10:25am

Hit and Run

Run over 20 enemies with the car in Episode Two.
Unlocked 17 Nov @ 10:25am

Meet the Hunters

Survive the Hunter ambush with Alyx.
Unlocked 17 Nov @ 10:25am

Gunishment!

Destroy the Combine Autogun in the junkyard.
Unlocked 17 Nov @ 10:25am

Cache Checker

Find every radar cache in chapter Under The Radar.
Unlocked 17 Nov @ 10:25am

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Unlocked 17 Nov @ 10:25am

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Unlocked 17 Nov @ 10:25am

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Unlocked 17 Nov @ 10:25am

Defense of the Armament

Save the missile silo from the Combine offensive.
Unlocked 17 Nov @ 10:25am

Deadly Harvest

Kill an enemy by planting a hopper mine.
Unlocked 17 Nov @ 10:25am

Grave Robber

Steal a Zombine's grenade.
Unlocked 17 Nov @ 10:25am

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 17 Nov @ 10:25am



Two Points

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

Keep Off the Sand!

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

Lambda Locator

Find all lambda caches in Half-Life 2.

Pacifist

Contain the Citadel core without killing any stalkers.

Conservationist

Kill five enemies with the same energy ball.

Think Fast!

Kill an Elite Soldier with his own energy ball.

Get Some Grub

Squish every antlion grub in Episode Two.

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.

Pedal to the Metal

Beat DOG in a race to the White Forest base.

Little Rocket Man

Send the garden gnome into space.

Neighborhood Watch

Save all buildings outside the missile silo from destruction.

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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