Unlocked: Jul 12, 2012 6:42pm
Defiant
Hit the trashcan cop with the can.
Unlocked: Jul 12, 2012 6:42pm
Submissive
Put the can in the trash.
Unlocked: Jul 12, 2012 6:53pm
Malcontent
Escape the apartment block raid.
Unlocked: Jul 13, 2012 12:54pm
Trusty Hardware
Get the crowbar.
Unlocked: Jul 14, 2012 8:38am
Anchor's Aweigh!
Get the airboat.
Unlocked: Jul 14, 2012 1:19pm
Heavy Weapons
Get the airboat's mounted gun.
Unlocked: Jul 14, 2012 1:47pm
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
Unlocked: Jul 14, 2012 1:38pm
Revenge!
Destroy the hunter-chopper in Half-Life 2.
Unlocked: Jul 14, 2012 2:11pm
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
Unlocked: Jul 14, 2012 2:12pm
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
Unlocked: Jul 14, 2012 3:04pm
Hallowed Ground
Escort Gregori safely through the church cemetery.
Unlocked: Jul 15, 2012 5:57am
OSHA Violation
Kill 3 enemies using the crane.
Unlocked: Jul 15, 2012 5:45am
Where Cubbage Fears to Tread
Defend Little Odessa from the gunship attack.
Unlocked: Aug 28, 2012 6:30am
Follow Freeman
Gain command of a squad of rebels in the uprising.
What cat?
Break the mini-teleporter in Kleiner's lab.
Barnacle Bowling
Kill five barnacles with one barrel.
Two Points
Use DOG's ball to make a basket in Eli's scrapyard.
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17.
One Man Army
Destroy six gunships in Half-Life 2.
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand.
Bug Hunt
Use the antlions to kill 50 enemies.
Flushed
Kill an enemy with a toilet.
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
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.
