Half-Life 2: Update achievements

49.79%

Zero-Point Energy

Get the Gravity Gun in Black Mesa East.

51.72%

Revenge!

Destroy the Hunter-Chopper.

52.83%

Heavy Weapons

Get the airboat's mounted gun.

56.83%

Defiant

60.28%

Anchor's Aweigh!

Get the airboat.

60.41%

Barnacle Bowling

Kill five barnacles with one explosive barrel.

60.83%

Submissive

78.76%

Trusty Hardware

Get the crowbar.

89.93%

Malcontent

Escape the apartment block raid.

3