Achievement Unlocked Visibility Global Unlocks
Singularity Collapse
Destroy the Citadel's reactor core.
2012-04-01 18:42:39
27.2%
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
2012-04-01 17:59:37 27.8%
Fight the Power
Shut down the supression device by disabling its generators.
2012-04-01 17:22:31 28.9%
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
2011-07-12 13:51:28 30.4%
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
2011-07-12 13:31:37 31.0%
Follow Freeman
Gain command of a squad of rebels in the uprising.
2011-07-12 13:07:03 31.8%
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
2011-07-12 12:49:41 31.8%
Bug Hunt
Use the antlions to kill 50 enemies.
2011-07-11 12:32:29 32.7%
One Man Army
Destroy six gunships in Half-Life 2.
2011-07-11 12:19:10 28.9%
OSHA Violation
Kill 3 enemies using the crane.
2011-07-11 10:52:34 22.7%
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack.
2011-07-11 10:43:00
38.3%
Hallowed Ground
Escort Gregori safely through the church cemetery.
2011-07-11 10:08:58
39.7%
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
2011-07-06 10:45:54 44.2%
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
2011-07-06 10:45:26 22.9%
Revenge!
Destroy the hunter-chopper in Half-Life 2.
2011-07-06 10:27:56 45.0%
Heavy Weapons
Get the airboat's mounted gun.
2011-07-06 10:13:37 47.2%
Anchor's Aweigh!
Get the airboat.
2011-07-06 09:22:49 53.2%
Trusty Hardware
Get the crowbar.
2011-07-04 18:39:15 67.0%
Malcontent
Escape the apartment block raid.
2011-07-04 18:27:22 69.6%
Defiant
Hit the trashcan cop with the can.
32.5%
Counter-Sniper
Kill all of the snipers in City 17.
11.2%
Barnacle Bowling
Kill five barnacles with one barrel.
36.9%
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field.
13.2%
What cat?
Break the mini-teleporter in Kleiner's lab.
12.7%
Flushed
Kill an enemy with a toilet.
7.3%
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
7.0%
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand.
5.8%
Two Points
Use DOG's ball to make a basket in Eli's scrapyard.
9.7%
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17.
17.5%
Submissive
Put the can in the trash.
44.7%
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
9.7%
Hack Attack!
Kill five enemies with a Manhack.
7.2%
Lambda Locator
Find all lambda caches in Half-Life 2.
4.0%