Achievement Unlocked Visibility Global Unlocks
Singularity Collapse
Destroy the Citadel's reactor core.
2018-07-20 15:05:50
27.2%
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field.
2018-07-20 14:39:37 13.2%
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
2018-07-20 14:07:45 27.8%
Fight the Power
Shut down the supression device by disabling its generators.
2018-07-19 21:33:21 28.9%
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
2018-07-15 13:44:48 31.0%
Follow Freeman
Gain command of a squad of rebels in the uprising.
2018-07-14 18:03:13 31.8%
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
2018-07-14 17:44:03 31.8%
One Man Army
Destroy six gunships in Half-Life 2.
2018-07-14 10:09:48 28.9%
Bug Hunt
Use the antlions to kill 50 enemies.
2018-07-14 09:55:32 32.7%
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17.
2018-07-12 18:58:01 17.5%
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack.
2018-07-12 18:36:22
38.3%
Hallowed Ground
Escort Gregori safely through the church cemetery.
2018-07-12 17:39:07
39.7%
Two Points
Use DOG's ball to make a basket in Eli's scrapyard.
2018-06-26 18:28:26 9.7%
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
2018-06-26 18:25:12 22.9%
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
2018-06-26 18:14:02 44.2%
Revenge!
Destroy the hunter-chopper in Half-Life 2.
2018-06-26 17:44:54 45.0%
Heavy Weapons
Get the airboat's mounted gun.
2018-06-24 14:10:59 47.3%
Anchor's Aweigh!
Get the airboat.
2018-06-24 13:05:05 53.2%
Barnacle Bowling
Kill five barnacles with one barrel.
2018-06-24 10:11:17 36.9%
What cat?
Break the mini-teleporter in Kleiner's lab.
2018-06-23 21:14:48 12.7%
Trusty Hardware
Get the crowbar.
2018-06-23 21:07:14 67.0%
Malcontent
Escape the apartment block raid.
2018-06-23 20:52:32 69.6%
Submissive
Put the can in the trash.
2018-06-23 20:35:46
44.8%
Defiant
Hit the trashcan cop with the can.
2018-06-23 20:34:16
32.5%
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
7.0%
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
30.4%
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand.
5.8%
Hack Attack!
Kill five enemies with a Manhack.
7.2%
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
9.7%
Counter-Sniper
Kill all of the snipers in City 17.
11.2%
Lambda Locator
Find all lambda caches in Half-Life 2.
4.0%
OSHA Violation
Kill 3 enemies using the crane.
22.7%
Flushed
Kill an enemy with a toilet.
7.3%