Achievement Unlocked Visibility Global Unlocks
Singularity Collapse
Destroy the Citadel's reactor core.
2020-09-19 10:23:51
27.2%
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
2020-09-19 09:51:11 27.8%
One Man Army
Destroy six gunships in Half-Life 2.
2020-09-19 09:30:02 28.9%
Fight the Power
Shut down the supression device by disabling its generators.
2020-09-19 09:26:32 28.9%
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
2020-04-19 18:41:42 30.4%
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
2020-04-18 12:18:53 31.0%
Hack Attack!
Kill five enemies with a Manhack.
2020-04-18 12:15:46 7.2%
Follow Freeman
Gain command of a squad of rebels in the uprising.
2020-04-18 12:00:38 31.8%
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
2020-04-18 11:44:16 31.8%
Bug Hunt
Use the antlions to kill 50 enemies.
2020-04-17 21:39:51 32.7%
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack.
2020-04-13 19:47:02
38.3%
Hallowed Ground
Escort Gregori safely through the church cemetery.
2020-04-10 16:02:44
39.7%
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
2020-04-10 15:25:21 44.2%
Revenge!
Destroy the hunter-chopper in Half-Life 2.
2020-04-09 14:24:31 45.0%
Heavy Weapons
Get the airboat's mounted gun.
2020-04-09 14:14:33 47.2%
Anchor's Aweigh!
Get the airboat.
2020-04-08 22:44:31 53.2%
Trusty Hardware
Get the crowbar.
2013-03-12 19:40:05 67.0%
OSHA Violation
Kill 3 enemies using the crane.
22.7%
Flushed
Kill an enemy with a toilet.
7.3%
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%
Defiant
Hit the trashcan cop with the can.
32.5%
What cat?
Break the mini-teleporter in Kleiner's lab.
12.7%
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field.
13.2%
Malcontent
Escape the apartment block raid.
69.6%
Lambda Locator
Find all lambda caches in Half-Life 2.
4.0%
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
22.9%
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
9.7%
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
7.0%
Counter-Sniper
Kill all of the snipers in City 17.
11.2%
Barnacle Bowling
Kill five barnacles with one barrel.
36.9%