Half-Life 2: Update achievements

49.66%

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.

51.58%

Revenge!

Destroy the Hunter-Chopper.

52.68%

Heavy Weapons

Get the airboat's mounted gun.

56.81%

Defiant

60.25%

Anchor's Aweigh!

Get the airboat.

60.39%

Barnacle Bowling

Kill five barnacles with one explosive barrel.

60.80%

Submissive

78.82%

Trusty Hardware

Get the crowbar.

89.96%

Malcontent

Escape the apartment block raid.

3