Playtime past 2 weeks:
0h

View global achievement stats
You must be logged in to compare these stats to your own
49 of 69 (71%) achievements earned:
Personal Achievements
 

Defiant

Hit the trashcan cop with the can.
Unlocked 5 Sep, 2010 @ 4:27pm

Malcontent

Escape the apartment block raid.
Unlocked 5 Sep, 2010 @ 4:31pm

What cat?

Break the mini-teleporter in Kleiner's lab.
Unlocked 9 Sep, 2010 @ 5:32pm

Trusty Hardware

Get the crowbar.
Unlocked 5 Sep, 2010 @ 4:43pm

Barnacle Bowling

Kill five barnacles with one barrel.
Unlocked 5 Sep, 2010 @ 4:58pm

Anchor's Aweigh!

Get the airboat.
Unlocked 6 Sep, 2010 @ 9:57pm

Heavy Weapons

Get the airboat's mounted gun.
Unlocked 7 Sep, 2010 @ 6:17pm

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Unlocked 7 Sep, 2010 @ 6:35pm

Revenge!

Destroy the hunter-chopper in Half-Life 2.
Unlocked 7 Sep, 2010 @ 6:32pm

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked 7 Sep, 2010 @ 6:48pm

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.
Unlocked 7 Sep, 2010 @ 6:49pm

Two Points

Use DOG's ball to make a basket in Eli's scrapyard.
Unlocked 7 Sep, 2010 @ 6:54pm

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.
Unlocked 7 Sep, 2010 @ 8:38pm

Hallowed Ground

Escort Gregori safely through the church cemetery.
Unlocked 7 Sep, 2010 @ 8:30pm

OSHA Violation

Kill 3 enemies using the crane.
Unlocked 7 Sep, 2010 @ 9:05pm

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.
Unlocked 7 Sep, 2010 @ 9:15pm

Where Cubbage Fears to Tread

Defend Little Odessa from the gunship attack.
Unlocked 7 Sep, 2010 @ 9:00pm

One Man Army

Destroy six gunships in Half-Life 2.
Unlocked 9 Sep, 2010 @ 12:59pm

Bug Hunt

Use the antlions to kill 50 enemies.
Unlocked 9 Sep, 2010 @ 12:53pm

Flushed

Kill an enemy with a toilet.
Unlocked 9 Sep, 2010 @ 1:04pm

Warden Freeman

Survive the second turret standoff in Nova Prospekt.
Unlocked 9 Sep, 2010 @ 2:09pm

Follow Freeman

Gain command of a squad of rebels in the uprising.
Unlocked 9 Sep, 2010 @ 5:37pm

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.
Unlocked 9 Sep, 2010 @ 6:05pm

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.
Unlocked 9 Sep, 2010 @ 6:24pm

Counter-Sniper

Kill all of the snipers in City 17.
Unlocked 9 Sep, 2010 @ 6:54pm

Fight the Power

Shut down the supression device by disabling its generators.
Unlocked 10 Sep, 2010 @ 6:59pm

Giant Killer

Survive the rooftop strider battle in the ruins of City 17.
Unlocked 10 Sep, 2010 @ 7:28pm

Atomizer

Disintegrate 15 soldiers by throwing them into a Combine ball field.
Unlocked 10 Sep, 2010 @ 8:12pm

Singularity Collapse

Destroy the Citadel's reactor core.
Unlocked 10 Sep, 2010 @ 8:34pm

Hack Attack!

Kill five enemies with a Manhack.
Unlocked 9 Sep, 2010 @ 5:53pm

Acid Reflex

Kill an acid antlion worker.
Unlocked 17 Nov @ 9:12pm

Into the Breach

Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Unlocked 17 Nov @ 9:12pm

Twofer

Defeat both antlion guards outside the White Forest.
Unlocked 17 Nov @ 9:12pm

Hit and Run

Run over 20 enemies with the car in Episode Two.
Unlocked 17 Nov @ 9:12pm

Meet the Hunters

Survive the Hunter ambush with Alyx.
Unlocked 17 Nov @ 9:12pm

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.
Unlocked 17 Nov @ 9:12pm

Gunishment!

Destroy the Combine Autogun in the junkyard.
Unlocked 17 Nov @ 9:12pm

Cache Checker

Find every radar cache in chapter Under The Radar.
Unlocked 17 Nov @ 9:12pm

Pedal to the Metal

Beat DOG in a race to the White Forest base.
Unlocked 17 Nov @ 9:12pm

Gordon Propelled Rocket

Unlock the rocket launcher lambda cache in chapter Under The Radar.
Unlocked 17 Nov @ 9:12pm

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.
Unlocked 17 Nov @ 9:12pm

Secondary Silo Secured

Secure the launch doors on missile silo 2.
Unlocked 17 Nov @ 9:12pm

Defense of the Armament

Save the missile silo from the Combine offensive.
Unlocked 17 Nov @ 9:12pm

Payback

Kill a Hunter with its own flechettes.
Unlocked 17 Nov @ 9:12pm

Bone Breaker

Kill 30 enemies with thrown physics objects.
Unlocked 17 Nov @ 9:12pm

Deadly Harvest

Kill an enemy by planting a hopper mine.
Unlocked 17 Nov @ 9:12pm

Hot Potat0wned

Kill a Combine soldier with his own grenade.
Unlocked 17 Nov @ 9:12pm

Grave Robber

Steal a Zombine's grenade.
Unlocked 17 Nov @ 9:12pm

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 @ 9:12pm



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.

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.

Little Rocket Man

Send the garden gnome into space.

Neighborhood Watch

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

1 hidden achievement remaining

Details for each achievement will be revealed once unlocked