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45 of 69 (65%) achievements earned:
Personal Achievements
 

Defiant

Hit the trashcan cop with the can.
Unlocked 19 Jan, 2019 @ 9:53am

Malcontent

Escape the apartment block raid.
Unlocked 4 Jan, 2016 @ 1:12pm

What cat?

Break the mini-teleporter in Kleiner's lab.
Unlocked 4 Jan, 2016 @ 1:19pm

Trusty Hardware

Get the crowbar.
Unlocked 4 Jan, 2016 @ 1:25pm

Barnacle Bowling

Kill five barnacles with one barrel.
Unlocked 4 Jan, 2016 @ 1:37pm

Anchor's Aweigh!

Get the airboat.
Unlocked 4 Jan, 2016 @ 1:59pm

Heavy Weapons

Get the airboat's mounted gun.
Unlocked 4 Jan, 2016 @ 3:53pm

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Unlocked 4 Jan, 2016 @ 4:12pm

Revenge!

Destroy the hunter-chopper in Half-Life 2.
Unlocked 4 Jan, 2016 @ 4:08pm

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked 5 Jan, 2016 @ 11:32am

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.
Unlocked 5 Jan, 2016 @ 11:31am

Two Points

Use DOG's ball to make a basket in Eli's scrapyard.
Unlocked 5 Jan, 2016 @ 11:36am

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.
Unlocked 5 Jan, 2016 @ 2:05pm

Hallowed Ground

Escort Gregori safely through the church cemetery.
Unlocked 5 Jan, 2016 @ 1:58pm

OSHA Violation

Kill 3 enemies using the crane.
Unlocked 5 Jan, 2016 @ 2:36pm

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.
Unlocked 5 Jan, 2016 @ 2:45pm

Where Cubbage Fears to Tread

Defend Little Odessa from the gunship attack.
Unlocked 5 Jan, 2016 @ 2:28pm

One Man Army

Destroy six gunships in Half-Life 2.
Unlocked 6 Jan, 2016 @ 12:27pm

Keep Off the Sand!

Cross the antlion beach in chapter Sandtraps without touching the sand.
Unlocked 6 Jan, 2016 @ 12:08pm

Bug Hunt

Use the antlions to kill 50 enemies.
Unlocked 6 Jan, 2016 @ 12:25pm

Flushed

Kill an enemy with a toilet.
Unlocked 6 Jan, 2016 @ 12:35pm

Warden Freeman

Survive the second turret standoff in Nova Prospekt.
Unlocked 7 Jan, 2016 @ 12:55pm

Follow Freeman

Gain command of a squad of rebels in the uprising.
Unlocked 8 Jan, 2016 @ 2:53pm

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.
Unlocked 8 Jan, 2016 @ 3:15pm

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.
Unlocked 8 Jan, 2016 @ 3:31pm

Counter-Sniper

Kill all of the snipers in City 17.
Unlocked 8 Jan, 2016 @ 4:24pm

Fight the Power

Shut down the supression device by disabling its generators.
Unlocked 8 Jan, 2016 @ 4:48pm

Giant Killer

Survive the rooftop strider battle in the ruins of City 17.
Unlocked 9 Jan, 2016 @ 8:23am

Atomizer

Disintegrate 15 soldiers by throwing them into a Combine ball field.
Unlocked 9 Jan, 2016 @ 8:35am

Singularity Collapse

Destroy the Citadel's reactor core.
Unlocked 9 Jan, 2016 @ 8:57am

Hack Attack!

Kill five enemies with a Manhack.
Unlocked 7 Jan, 2016 @ 12:36pm

Watch Your Head!

Make it to the bottom of the Citadel's main elevator shaft in one piece.
Unlocked 19 Dec @ 12:47am

Containment

Contain the Citadel core.
Unlocked 19 Dec @ 12:58am

Pacifist

Contain the Citadel core without killing any stalkers.
Unlocked 19 Dec @ 12:58am

Car Crusher

Use the cars to squash 15 antlions in Episode One.
Unlocked 19 Dec @ 1:26am

Elevator Action

Survive long enough to get on the parking garage elevator.
Unlocked 19 Dec @ 1:40am

Live Bait

Help Alyx snipe 30 enemies in Episode One.
Unlocked 19 Dec @ 2:03am

Attica!

Destroy the gunship in the hospital attic.
Unlocked 19 Dec @ 6:26am

Citizen Escort

Don't let any citizens die when escorting them to the escape train.
Unlocked 19 Dec @ 7:04am

Escape From City 17

Escape City 17 with Alyx.
Unlocked 19 Dec @ 7:08am

Conservationist

Kill five enemies with the same energy ball.
Unlocked 2 Dec @ 12:57pm

Acid Reflex

Kill an acid antlion worker.
Unlocked 18 Nov @ 4:50am

Deadly Harvest

Kill an enemy by planting a hopper mine.
Unlocked 17 Nov @ 4:10am

Grave Robber

Steal a Zombine's grenade.
Unlocked 17 Nov @ 4:42am

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 @ 1:44am



Lambda Locator

Find all lambda caches in Half-Life 2.

The One Free Bullet

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

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.

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.

Twofer

Defeat both antlion guards outside the White Forest.

Hit and Run

Run over 20 enemies with the car in Episode Two.

Meet the Hunters

Survive the Hunter ambush with Alyx.

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.

Gunishment!

Destroy the Combine Autogun in the junkyard.

Cache Checker

Find every radar cache in chapter Under The Radar.

Pedal to the Metal

Beat DOG in a race to the White Forest base.

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.

Little Rocket Man

Send the garden gnome into space.

Secondary Silo Secured

Secure the launch doors on missile silo 2.

Neighborhood Watch

Save all buildings outside the missile silo from destruction.

Defense of the Armament

Save the missile silo from the Combine offensive.

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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