Unlocked: Oct 28, 2012 5:05pm
Defiant
Hit the trashcan cop with the can.
Unlocked: Jul 14, 2010 4:18pm
Submissive
Put the can in the trash.
Unlocked: Sep 4, 2010 12:30pm
Malcontent
Escape the apartment block raid.
Unlocked: Sep 4, 2010 1:09pm
What cat?
Break the mini-teleporter in Kleiner's lab.
Unlocked: Sep 4, 2010 12:42pm
Trusty Hardware
Get the crowbar.
Unlocked: Sep 4, 2010 1:01pm
Barnacle Bowling
Kill five barnacles with one barrel.
Unlocked: Sep 8, 2010 5:20pm
Anchor's Aweigh!
Get the airboat.
Unlocked: Sep 10, 2010 7:31pm
Heavy Weapons
Get the airboat's mounted gun.
Unlocked: Sep 10, 2010 7:51pm
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Unlocked: Sep 10, 2010 7:45pm
Revenge!
Destroy the hunter-chopper in Half-Life 2.
Unlocked: Sep 10, 2010 8:09pm
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked: Sep 10, 2010 8:09pm
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
Unlocked: Sep 28, 2010 5:50pm
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
Unlocked: Sep 28, 2010 5:37pm
Hallowed Ground
Escort Gregori safely through the church cemetery.
Unlocked: Sep 29, 2010 7:29pm
OSHA Violation
Kill 3 enemies using the crane.
Unlocked: Sep 29, 2010 7:42pm
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17.
Unlocked: Sep 29, 2010 7:02pm
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack.
Unlocked: Dec 13, 2010 4:14pm
One Man Army
Destroy six gunships in Half-Life 2.
Unlocked: Oct 8, 2010 6:13pm
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand.
Unlocked: Dec 13, 2010 4:11pm
Bug Hunt
Use the antlions to kill 50 enemies.
Unlocked: Dec 13, 2010 4:21pm
Flushed
Kill an enemy with a toilet.
Unlocked: Oct 10, 2011 4:02pm
Follow Freeman
Gain command of a squad of rebels in the uprising.
Unlocked: Feb 13, 2013 5:42pm
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
Unlocked: Feb 14, 2013 5:46pm
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
Two Points
Use DOG's ball to make a basket in Eli's scrapyard.
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
Counter-Sniper
Kill all of the snipers in City 17.
Fight the Power
Shut down the supression device by disabling its generators.
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field.
Lambda Locator
Find all lambda caches in Half-Life 2.
Hack Attack!
Kill five enemies with a Manhack.
