Unlockable How to Unlock Anchor's Aweigh! Get the airboat. Atomizer Disintegrate 15 soldiers by throwing them into a Combine ball field. Barnacle Bowling Kill five barnacles with one barrel. Blast from the Past Find the HEV Suit Charger faceplate in Eli's scrapyard. Bug Hunt Use the antlions to kill 50 enemies. Counter-Sniper Kill all of the snipers in City 17. Defiant Hit the trashcan cop with the can. Defiant Hit the trashcan cop with the can. Fight the Power Shut down the supression device by disabling its generators. Flushed Kill an enemy with a toilet. Follow Freeman Gain command of a squad of rebels in the uprising. Giant Killer Survive the rooftop strider battle in the ruins of City 17. Hack Attack! Kill five enemies with a Manhack. Hallowed Ground Escort Gregori safely through the church cemetery. Heavy Weapons Get the airboat's mounted gun. Keep Off the Sand! Cross the antlion beach in chapter Sandtraps without touching the sand. Lambda Locator Find all lambda caches in Half-Life 2. Malcontent Escape the apartment block raid. One Man Army Destroy six gunships in Half-Life 2. OSHA Violation Kill 3 enemies using the crane. Plaza Defender Survive the generator plaza standoff in chapter Anticitizen One. Radiation Levels Detected Get through the toxic tunnel under City 17 in Half-Life 2. Revenge! Destroy the hunter-chopper in Half-Life 2. Singularity Collapse Destroy the Citadel's reactor core. Submissive Put the can in the trash. Submissive Put the can in the trash. Targetted Advertising Pin a soldier to the billboard in chapter Highway 17. Trusty Hardware Get the crowbar. Two Points Use dog's ball to make a basket in eli's scrapyard. Vorticough Discover the hidden singing vortigaunt cave in chapter Water Hazard. Warden Freeman Survive the second turret standoff in Nova Prospekt. What cat? Break the mini-teleporter in Kleiner's lab. Where Cubbage Fears to Tread Defend Little Odessa from the gunship attack. Zero-Point Energy Get the Gravity Gun in Black Mesa East. Zombie Chopper Play through Ravenholm using only the Gravity Gun.
Contributed By: Guard Master.
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