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10 of 33 (30%) achievements earned:

Personal Achievements
Unlocked Aug 4, 2011 @ 12:22pm


Hit the trashcan cop with the can.
Unlocked Aug 4, 2011 @ 12:28pm


Escape the apartment block raid.
Unlocked Aug 4, 2011 @ 12:33pm

What cat?

Break the mini-teleporter in Kleiner's lab.
Unlocked Aug 4, 2011 @ 12:40pm

Trusty Hardware

Get the crowbar.
Unlocked Aug 11, 2011 @ 2:08pm

Barnacle Bowling

Kill five barnacles with one barrel.
Unlocked Sep 5, 2011 @ 12:08pm

Anchor's Aweigh!

Get the airboat.
Unlocked Feb 4, 2012 @ 11:12am

Heavy Weapons

Get the airboat's mounted gun.
Unlocked Feb 4, 2012 @ 11:27am


Destroy the hunter-chopper in Half-Life 2.
Unlocked Feb 4, 2012 @ 11:41am

Blast from the Past

Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked Feb 4, 2012 @ 11:42am

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.


Discover the hidden singing vortigaunt cave in chapter Water Hazard.

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.

One Man Army

Destroy six gunships in Half-Life 2.

Keep Off the Sand!

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

Bug Hunt

Use the antlions to kill 50 enemies.


Kill an enemy with a toilet.

Warden Freeman

Survive the second turret standoff in Nova Prospekt.

Follow Freeman

Gain command of a squad of rebels in the uprising.

Radiation Levels Detected

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

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.


Kill all of the snipers in City 17.

Fight the Power

Shut down the supression device by disabling its generators.

Giant Killer

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


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.

4 hidden achievements remaining

Details for each achievement will be revealed once unlocked