| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
Counter-Sniper
Kill all of the snipers in City 17. |
2013-07-19 15:07:48 | 11.3% | ||
|
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One. |
2013-07-19 12:04:07 | 30.4% | ||
|
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2. |
2013-07-19 11:48:45 | 31.0% | ||
|
Follow Freeman
Gain command of a squad of rebels in the uprising. |
2013-07-19 11:30:44 | 31.8% | ||
|
Warden Freeman
Survive the second turret standoff in Nova Prospekt. |
2013-07-19 11:10:59 | 31.8% | ||
|
One Man Army
Destroy six gunships in Half-Life 2. |
2013-07-18 18:09:56 | 28.9% | ||
|
OSHA Violation
Kill 3 enemies using the crane. |
2011-05-22 11:59:40 | 22.7% | ||
|
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack. |
2011-05-22 11:51:33 | 38.3% | ||
|
Hallowed Ground
Escort Gregori safely through the church cemetery. |
2011-05-20 17:26:46 | 39.7% | ||
|
Two Points
Use DOG's ball to make a basket in Eli's scrapyard. |
2011-05-20 16:34:12 | 9.7% | ||
|
Zero-Point Energy
Get the Gravity Gun in Black Mesa East. |
2011-05-20 16:29:53 | 44.2% | ||
|
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard. |
2011-05-20 16:29:24 | 22.9% | ||
|
Revenge!
Destroy the hunter-chopper in Half-Life 2. |
2011-05-20 16:16:12 | 45.0% | ||
|
Heavy Weapons
Get the airboat's mounted gun. |
2011-05-20 16:08:12 | 47.3% | ||
|
Anchor's Aweigh!
Get the airboat. |
2011-05-20 15:42:19 | 53.2% | ||
|
Barnacle Bowling
Kill five barnacles with one barrel. |
2011-05-20 15:25:13 | 36.9% | ||
|
Trusty Hardware
Get the crowbar. |
2011-05-20 15:13:53 | 67.0% | ||
|
What cat?
Break the mini-teleporter in Kleiner's lab. |
2011-05-20 15:00:27 | 12.7% | ||
|
Malcontent
Escape the apartment block raid. |
2011-05-20 14:55:09 | 69.7% | ||
|
Submissive
Put the can in the trash. |
2011-05-20 14:51:34 | 44.8% | ||
|
Hack Attack!
Kill five enemies with a Manhack. |
7.2% | |||
|
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand. |
5.8% | |||
|
Singularity Collapse
Destroy the Citadel's reactor core. |
27.2% | |||
|
Zombie Chopper
Play through Ravenholm using only the Gravity Gun. |
7.1% | |||
|
Fight the Power
Shut down the supression device by disabling its generators. |
28.9% | |||
|
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field. |
13.2% | |||
|
Lambda Locator
Find all lambda caches in Half-Life 2. |
4.0% | |||
|
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard. |
9.7% | |||
|
Defiant
Hit the trashcan cop with the can. |
32.5% | |||
|
Bug Hunt
Use the antlions to kill 50 enemies. |
32.8% | |||
|
Flushed
Kill an enemy with a toilet. |
7.3% | |||
|
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17. |
17.5% | |||
|
Giant Killer
Survive the rooftop strider battle in the ruins of City 17. |
27.8% |