Half-Life 2: Update achievements

49.43%

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.

51.42%

Revenge!

Destroy the Hunter-Chopper.

52.55%

Heavy Weapons

Get the airboat's mounted gun.

55.95%

Defiant

59.77%

Anchor's Aweigh!

Get the airboat.

60.06%

Barnacle Bowling

Kill five barnacles with one explosive barrel.

60.76%

Submissive

78.33%

Trusty Hardware

Get the crowbar.

89.52%

Malcontent

Escape the apartment block raid.

3