Achievement Unlocked Visibility Global Unlocks
Singularity Collapse
Destroy the Citadel's reactor core.
2019-07-12 17:47:54
27.2%
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
2019-07-11 22:24:45 27.8%
One Man Army
Destroy six gunships in Half-Life 2.
2019-07-11 22:05:11 28.9%
Fight the Power
Shut down the supression device by disabling its generators.
2019-07-11 22:00:23 28.9%
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
2019-07-11 21:23:03 30.4%
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
2019-07-11 21:05:53 31.0%
Follow Freeman
Gain command of a squad of rebels in the uprising.
2019-07-08 17:49:37 31.8%
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
2019-07-08 17:33:27 31.8%
Bug Hunt
Use the antlions to kill 50 enemies.
2019-07-08 17:01:00 32.7%
OSHA Violation
Kill 3 enemies using the crane.
2019-07-07 17:55:27 22.7%
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack.
2019-07-07 17:50:23
38.3%
Hallowed Ground
Escort Gregori safely through the church cemetery.
2019-07-07 17:25:17
39.7%
Two Points
Use DOG's ball to make a basket in Eli's scrapyard.
2019-07-07 16:43:09 9.7%
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
2019-07-07 16:35:32 22.9%
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
2019-07-06 18:41:56 44.2%
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
2019-07-06 18:28:04 9.7%
Revenge!
Destroy the hunter-chopper in Half-Life 2.
2019-07-06 18:20:56 45.0%
Heavy Weapons
Get the airboat's mounted gun.
2019-07-06 18:11:31 47.3%
Anchor's Aweigh!
Get the airboat.
2019-07-06 17:42:55 53.2%
Barnacle Bowling
Kill five barnacles with one barrel.
2019-07-06 17:17:51 36.9%
Trusty Hardware
Get the crowbar.
2019-07-06 17:02:30 67.0%
What cat?
Break the mini-teleporter in Kleiner's lab.
2019-07-06 16:57:41 12.7%
Malcontent
Escape the apartment block raid.
2019-07-06 16:51:16 69.6%
Defiant
Hit the trashcan cop with the can.
2019-07-06 16:46:42
32.5%
Submissive
Put the can in the trash.
2019-07-06 16:42:12
44.8%
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand.
5.8%
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17.
17.5%
Hack Attack!
Kill five enemies with a Manhack.
7.2%
Counter-Sniper
Kill all of the snipers in City 17.
11.2%
Lambda Locator
Find all lambda caches in Half-Life 2.
4.0%
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field.
13.2%
Flushed
Kill an enemy with a toilet.
7.3%
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
7.0%