Half-Life 2

Defiant

Unlocked 15 Jun 2025 at 7:56 AM

Submissive

Unlocked 15 Jun 2025 at 7:55 AM

Malcontent

Escape the apartment block raid.

Unlocked 15 Jun 2025 at 8:00 AM

What cat?

Break the mini-teleporter in Kleiner's lab.

Unlocked 16 Jun 2025 at 8:27 AM

Trusty Hardware

Get the crowbar.

Unlocked 16 Jun 2025 at 8:33 AM

Barnacle Bowling

Kill five barnacles with one barrel.

Unlocked 6 Jul 2025 at 6:26 AM

Anchor's Aweigh!

Get the airboat.

Unlocked 17 Jun 2025 at 11:23 AM

Heavy Weapons

Get the airboat's mounted gun.

Unlocked 18 Jun 2025 at 9:50 AM

Vorticough

Discover the hidden singing vortigaunt cave in chapter Water Hazard.

Unlocked 19 Jun 2025 at 10:04 AM

Revenge!

Destroy the hunter-chopper in Half-Life 2.

Unlocked 19 Jun 2025 at 9:55 AM

Blast from the Past

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

Unlocked 19 Jun 2025 at 10:20 AM

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.

Unlocked 19 Jun 2025 at 10:18 AM

Two Points

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

Unlocked 19 Jun 2025 at 10:24 AM

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.

Unlocked 20 Jun 2025 at 12:41 PM

Hallowed Ground

Unlocked 19 Jun 2025 at 10:56 AM

OSHA Violation

Kill 3 enemies using the crane.

Unlocked 20 Jun 2025 at 12:59 PM

Targetted Advertising

Pin a soldier to the billboard in chapter Highway 17.

Unlocked 20 Jun 2025 at 1:08 PM

Where Cubbage Fears to Tread

Unlocked 20 Jun 2025 at 12:55 PM

One Man Army

Destroy six gunships in Half-Life 2.

Unlocked 22 Jun 2025 at 3:52 AM

Keep Off the Sand!

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

Unlocked 6 Jul 2025 at 6:49 AM

Bug Hunt

Use the antlions to kill 50 enemies.

Unlocked 22 Jun 2025 at 3:47 AM

Flushed

Kill an enemy with a toilet.

Unlocked 22 Jun 2025 at 3:55 AM

Warden Freeman

Survive the second turret standoff in Nova Prospekt.

Unlocked 23 Jun 2025 at 11:52 AM

Follow Freeman

Gain command of a squad of rebels in the uprising.

Unlocked 25 Jun 2025 at 10:36 AM

Radiation Levels Detected

Get through the toxic tunnel under City 17 in Half-Life 2.

Unlocked 25 Jun 2025 at 10:55 AM

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.

Unlocked 28 Jun 2025 at 2:48 AM

Counter-Sniper

Kill all of the snipers in City 17.

Unlocked 28 Jun 2025 at 3:13 AM

Fight the Power

Shut down the supression device by disabling its generators.

Unlocked 28 Jun 2025 at 3:30 AM

Giant Killer

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

Unlocked 28 Jun 2025 at 3:57 AM

Atomizer

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

Unlocked 28 Jun 2025 at 4:16 AM

Singularity Collapse

Unlocked 28 Jun 2025 at 4:37 AM

Lambda Locator

Find all lambda caches in Half-Life 2.

Unlocked 28 Jun 2025 at 3:47 AM

Hack Attack!

Kill five enemies with a Manhack.

Unlocked 23 Jun 2025 at 11:50 AM

Watch Your Head!

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

Unlocked 28 Jun 2025 at 11:45 PM

Containment

Contain the Citadel core.

Unlocked 29 Jun 2025 at 4:37 AM

Pacifist

Contain the Citadel core without killing any stalkers.

Unlocked 29 Jun 2025 at 4:37 AM

Car Crusher

Use the cars to squash 15 antlions in Episode One.

Unlocked 29 Jun 2025 at 4:59 AM

Elevator Action

Survive long enough to get on the parking garage elevator.

Unlocked 29 Jun 2025 at 5:10 AM

Live Bait

Help Alyx snipe 30 enemies in Episode One.

Unlocked 29 Jun 2025 at 6:10 AM

Attica!

Destroy the gunship in the hospital attic.

Unlocked 29 Jun 2025 at 6:37 AM

Citizen Escort

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

Unlocked 29 Jun 2025 at 7:02 AM

Escape From City 17

Escape City 17 with Alyx.

Unlocked 29 Jun 2025 at 7:09 AM

The One Free Bullet

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

Unlocked 29 Jun 2025 at 7:09 AM

Conservationist

Kill five enemies with the same energy ball.

Unlocked 29 Jun 2025 at 4:28 AM

Think Fast!

Kill an Elite Soldier with his own energy ball.

Unlocked 28 Jun 2025 at 11:40 PM

Zombie-que

Use flares to light 15 zombies on fire.

Unlocked 29 Jun 2025 at 5:10 AM

Acid Reflex

Kill an acid antlion worker.

Unlocked 1 Jul 2025 at 10:59 AM

Get Some Grub

Squish every antlion grub in Episode Two.

Unlocked 2 Jul 2025 at 11:56 AM

Piñata Party

Find and break every web cache in Episode Two.

Unlocked 2 Jul 2025 at 11:47 AM

Into the Breach

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

Unlocked 1 Jul 2025 at 11:21 AM

Twofer

Defeat both antlion guards outside the White Forest.

Unlocked 4 Jul 2025 at 9:16 AM

Hit and Run

Run over 20 enemies with the car in Episode Two.

Unlocked 6 Jul 2025 at 5:50 AM

Meet the Hunters

Survive the Hunter ambush with Alyx.

Unlocked 5 Jul 2025 at 10:12 PM

Puttin' On a Clinic

Defeat the chopper in Episode Two without any misses.

Unlocked 5 Jul 2025 at 10:38 PM

Gunishment!

Destroy the Combine Autogun in the junkyard.

Unlocked 5 Jul 2025 at 10:48 PM

Cache Checker

Find every radar cache in chapter Under The Radar.

Unlocked 5 Jul 2025 at 11:08 PM

Pedal to the Metal

Beat DOG in a race to the White Forest base.

Unlocked 6 Jul 2025 at 5:12 AM

Gordon Propelled Rocket

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

Unlocked 5 Jul 2025 at 10:53 PM

Quiet Mountain Getaway

Survive the ambush at White Forest Inn.

Unlocked 5 Jul 2025 at 11:04 PM

Little Rocket Man

Send the garden gnome into space.

Unlocked 6 Jul 2025 at 5:21 AM

Secondary Silo Secured

Secure the launch doors on missile silo 2.

Unlocked 6 Jul 2025 at 5:31 AM

Neighborhood Watch

Save all buildings outside the missile silo from destruction.

Unlocked 6 Jul 2025 at 6:09 AM

Defense of the Armament

Save the missile silo from the Combine offensive.

Unlocked 6 Jul 2025 at 6:09 AM

Payback

Kill a Hunter with its own flechettes.

Unlocked 5 Jul 2025 at 10:11 PM

Bone Breaker

Kill 30 enemies with thrown physics objects.

Unlocked 2 Jul 2025 at 11:31 AM

Deadly Harvest

Kill an enemy by planting a hopper mine.

Unlocked 1 Jul 2025 at 11:11 AM

Hot Potat0wned

Kill a Combine soldier with his own grenade.

Unlocked 5 Jul 2025 at 10:24 PM

Grave Robber

Steal a Zombine's grenade.

Unlocked 1 Jul 2025 at 10:44 AM

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 29 Jun 2025 at 7:13 AM