Half-Life 2 achievements

41.27%

Blast from the Past

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

45.48%

One Man Army

Destroy six gunships in Half-Life 2.

46.04%

Giant Killer

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

47.23%

Fight the Power

Shut down the supression device by disabling its generators.

48.25%

Plaza Defender

Survive the generator plaza standoff in chapter Anticitizen One.

49.25%

Radiation Levels Detected

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

50.05%

Follow Freeman

Gain command of a squad of rebels in the uprising.

50.16%

Warden Freeman

Survive the second turret standoff in Nova Prospekt.

50.91%

Bug Hunt

Use the antlions to kill 50 enemies.

59.89%

Barnacle Bowling

Kill five barnacles with one barrel.

65.14%

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.

66.31%

Revenge!

Destroy the hunter-chopper in Half-Life 2.