Half-Life 2: Update

Survive the rooftop strider battle in the ruins of City 17.

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Cross the antlion beach in chapter Sandtraps without touching the sand.

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Survive the generator plaza standoff in chapter Anticitizen One.

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Play through Ravenholm using only the Gravity Gun.

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Shut down the supression device by disabling its generators.

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Get through the toxic tunnel under City 17 in Half-Life 2.

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Survive the second turret standoff in Nova Prospekt.

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Break the mini-teleporter in Kleiner's Lab.

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Disintegrate 15 soldiers by throwing them into a Combine ball field.

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Escape the apartment block raid.

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Find all lambda caches in Half-Life 2.

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Find the HEV Suit Charger faceplate in Eli's scrapyard.

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Discover the hidden singing vortigaunt cave in chapter Water Hazard.

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Gain command of a squad of rebels in the uprising.

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Get the airboat.

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Get the airboat's mounted gun.

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Get the crowbar.

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Get the Gravity Gun in Black Mesa East.

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Kill all of the snipers in City 17.

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Kill five barnacles with one explosive barrel.

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Destroy the Hunter-Chopper.

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Use the Antlions to kill 50 enemies.

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Kill 3 enemies using the crane.

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Kill an enemy with a toilet.

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Destroy six gunships in Half-Life 2.

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Use Dog's ball to make a basket in the scrapyard.

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Pin a soldier to the billboard in the chapter Highway 17.

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Kill five enemies with a Manhack.

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