Unlocked: Aug 20, 2010 12:52am
Defiant
Hit the trashcan cop with the can.
Unlocked: Jan 7, 2011 5:31pm
Submissive
Put the can in the trash.
Unlocked: Aug 20, 2010 1:00am
Malcontent
Escape the apartment block raid.
Unlocked: Sep 26, 2012 6:59pm
What cat?
Break the mini-teleporter in Kleiner's lab.
Unlocked: Aug 20, 2010 1:13am
Trusty Hardware
Get the crowbar.
Unlocked: Aug 20, 2010 1:25am
Barnacle Bowling
Kill five barnacles with one barrel.
Unlocked: Aug 20, 2010 9:21am
Anchor's Aweigh!
Get the airboat.
Unlocked: Oct 9, 2010 2:45am
Heavy Weapons
Get the airboat's mounted gun.
Unlocked: Oct 10, 2010 1:37am
Revenge!
Destroy the hunter-chopper in Half-Life 2.
Unlocked: Oct 10, 2010 1:48am
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked: Oct 10, 2010 1:49am
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
Unlocked: May 16, 2011 1:31am
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
Unlocked: Oct 29, 2010 2:10am
Hallowed Ground
Escort Gregori safely through the church cemetery.
Unlocked: May 20, 2011 7:51pm
OSHA Violation
Kill 3 enemies using the crane.
Unlocked: May 20, 2011 8:08pm
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17.
Unlocked: Oct 29, 2010 2:33am
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack.
Unlocked: Oct 29, 2010 3:55am
One Man Army
Destroy six gunships in Half-Life 2.
Unlocked: Oct 29, 2010 4:02am
Bug Hunt
Use the antlions to kill 50 enemies.
Unlocked: Oct 29, 2010 9:20pm
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
Unlocked: Oct 29, 2010 9:40pm
Follow Freeman
Gain command of a squad of rebels in the uprising.
Unlocked: Oct 29, 2010 9:57pm
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
Unlocked: Oct 29, 2010 10:12pm
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
Unlocked: Nov 10, 2012 6:24pm
Counter-Sniper
Kill all of the snipers in City 17.
Unlocked: Oct 29, 2010 10:55pm
Fight the Power
Shut down the supression device by disabling its generators.
Unlocked: Oct 29, 2010 11:19pm
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
Unlocked: Jun 28, 2011 12:40am
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field.
Unlocked: Oct 30, 2010 6:54am
Singularity Collapse
Destroy the Citadel's reactor core.
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Two Points
Use DOG's ball to make a basket in Eli's scrapyard.
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand.
Flushed
Kill an enemy with a toilet.
Lambda Locator
Find all lambda caches in Half-Life 2.
Hack Attack!
Kill five enemies with a Manhack.
